diff --git a/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/wiring/IdentitiesModule.scala b/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/wiring/IdentitiesModule.scala
index 1ffe8f7e94..ca34895d1a 100644
--- a/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/wiring/IdentitiesModule.scala
+++ b/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/wiring/IdentitiesModule.scala
@@ -12,7 +12,7 @@ import ch.epfl.bluebrain.nexus.delta.routes.IdentitiesRoutes
 import ch.epfl.bluebrain.nexus.delta.sdk.PriorityRoute
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclCheck
 import ch.epfl.bluebrain.nexus.delta.sdk.auth.{AuthTokenProvider, OpenIdAuthService}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClient
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClient
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.{Identities, IdentitiesImpl}
 import ch.epfl.bluebrain.nexus.delta.sdk.model.BaseUri
 import ch.epfl.bluebrain.nexus.delta.sdk.provisioning.ProjectProvisioning
diff --git a/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/wiring/RealmsModule.scala b/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/wiring/RealmsModule.scala
index 750fc161ef..7bcbb2b8dc 100644
--- a/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/wiring/RealmsModule.scala
+++ b/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/wiring/RealmsModule.scala
@@ -5,6 +5,7 @@ import akka.http.scaladsl.model.{HttpRequest, Uri}
 import cats.effect.{Clock, IO}
 import ch.epfl.bluebrain.nexus.delta.Main.pluginsMaxPriority
 import ch.epfl.bluebrain.nexus.delta.config.AppConfig
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClient
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.ClasspathResourceLoader
 import ch.epfl.bluebrain.nexus.delta.rdf.Vocabulary.contexts
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.{ContextValue, RemoteContextResolution}
@@ -12,7 +13,6 @@ import ch.epfl.bluebrain.nexus.delta.rdf.utils.JsonKeyOrdering
 import ch.epfl.bluebrain.nexus.delta.routes.RealmsRoutes
 import ch.epfl.bluebrain.nexus.delta.sdk._
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclCheck
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClient
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.Identities
 import ch.epfl.bluebrain.nexus.delta.sdk.model.MetadataContextValue
 import ch.epfl.bluebrain.nexus.delta.sdk.realms.{Realms, RealmsImpl}
diff --git a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClient.scala b/delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClient.scala
similarity index 98%
rename from delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClient.scala
rename to delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClient.scala
index 1d5c73b656..f1a04653e3 100644
--- a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClient.scala
+++ b/delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClient.scala
@@ -1,4 +1,4 @@
-package ch.epfl.bluebrain.nexus.delta.sdk.http
+package ch.epfl.bluebrain.nexus.delta.kernel.http
 
 import akka.actor.ActorSystem
 import akka.http.javadsl.model.headers.{AcceptEncoding, HttpEncodingRange}
@@ -15,7 +15,7 @@ import ch.epfl.bluebrain.nexus.delta.kernel.AkkaSource
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.IOFuture
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.IOFuture.defaultCancelable
 import ch.epfl.bluebrain.nexus.delta.kernel.circe.CirceUnmarshalling._
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError._
 import ch.epfl.bluebrain.nexus.delta.kernel.syntax._
 import io.circe.{Decoder, Json}
 
diff --git a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientConfig.scala b/delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientConfig.scala
similarity index 93%
rename from delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientConfig.scala
rename to delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientConfig.scala
index 8357f1662b..267319a08d 100644
--- a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientConfig.scala
+++ b/delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientConfig.scala
@@ -1,7 +1,7 @@
-package ch.epfl.bluebrain.nexus.delta.sdk.http
+package ch.epfl.bluebrain.nexus.delta.kernel.http
 
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientConfig.logger
 import ch.epfl.bluebrain.nexus.delta.kernel.{Logger, RetryStrategy, RetryStrategyConfig}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientConfig.logger
 import pureconfig.ConfigReader
 import pureconfig.error.CannotConvert
 import pureconfig.generic.semiauto.deriveReader
diff --git a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientError.scala b/delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientError.scala
similarity index 99%
rename from delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientError.scala
rename to delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientError.scala
index 730561c23a..5d13e04196 100644
--- a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientError.scala
+++ b/delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientError.scala
@@ -1,4 +1,4 @@
-package ch.epfl.bluebrain.nexus.delta.sdk.http
+package ch.epfl.bluebrain.nexus.delta.kernel.http
 
 import akka.http.scaladsl.model.headers.HttpEncoding
 import akka.http.scaladsl.model.{HttpHeader, HttpRequest, StatusCode, StatusCodes}
diff --git a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientWorthRetry.scala b/delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientWorthRetry.scala
similarity index 87%
rename from delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientWorthRetry.scala
rename to delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientWorthRetry.scala
index 108e704e80..a6af48fca6 100644
--- a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientWorthRetry.scala
+++ b/delta/kernel/src/main/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientWorthRetry.scala
@@ -1,7 +1,7 @@
-package ch.epfl.bluebrain.nexus.delta.sdk.http
+package ch.epfl.bluebrain.nexus.delta.kernel.http
 
 import akka.http.scaladsl.model.StatusCodes.GatewayTimeout
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.{HttpConnectError, HttpServerStatusError, HttpTimeoutError, HttpUnexpectedError}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.{HttpConnectError, HttpServerStatusError, HttpTimeoutError, HttpUnexpectedError}
 
 trait HttpClientWorthRetry extends (HttpClientError => Boolean)
 
diff --git a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientSpec.scala b/delta/kernel/src/test/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientSpec.scala
similarity index 63%
rename from delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientSpec.scala
rename to delta/kernel/src/test/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientSpec.scala
index f4043395ba..f648f755b6 100644
--- a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientSpec.scala
+++ b/delta/kernel/src/test/scala/ch/epfl/bluebrain/nexus/delta/kernel/http/HttpClientSpec.scala
@@ -1,4 +1,4 @@
-package ch.epfl.bluebrain.nexus.delta.sdk.http
+package ch.epfl.bluebrain.nexus.delta.kernel.http
 
 import akka.actor.ActorSystem
 import akka.http.scaladsl.model.MediaTypes.{`application/json`, `application/octet-stream`}
@@ -8,48 +8,48 @@ import akka.stream.scaladsl.Source
 import akka.testkit.TestKit
 import akka.util.ByteString
 import cats.effect.IO
-import ch.epfl.bluebrain.nexus.delta.kernel.RetryStrategyConfig.OnceStrategyConfig
+import cats.effect.unsafe.implicits._
 import ch.epfl.bluebrain.nexus.delta.kernel.AkkaSource
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClient.HttpSingleRequest
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.{HttpClientStatusError, HttpSerializationError, HttpServerStatusError, HttpUnexpectedError}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientSpec.{Count, Value}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientWorthRetry.onServerError
-import ch.epfl.bluebrain.nexus.delta.sdk.syntax._
-import ch.epfl.bluebrain.nexus.testkit.CirceLiteral
-import ch.epfl.bluebrain.nexus.testkit.scalatest.EitherValues
-import ch.epfl.bluebrain.nexus.testkit.scalatest.ce.CatsEffectSpec
+import ch.epfl.bluebrain.nexus.delta.kernel.RetryStrategyConfig.OnceStrategyConfig
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClient.HttpSingleRequest
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.{HttpClientStatusError, HttpSerializationError, HttpServerStatusError, HttpUnexpectedError}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientSpec.{Count, Value}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientWorthRetry.onServerError
 import io.circe.generic.semiauto._
+import io.circe.literal._
 import io.circe.parser.parse
 import io.circe.syntax._
 import io.circe.{Decoder, Encoder, Json}
-import org.scalatest.BeforeAndAfterEach
-import org.scalatest.concurrent.ScalaFutures
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.wordspec.AsyncWordSpecLike
+import org.scalatest.{Assertion, BeforeAndAfterEach}
 
 import java.util.concurrent.atomic.AtomicInteger
+import scala.concurrent.Future
 import scala.concurrent.duration._
 
 class HttpClientSpec
     extends TestKit(ActorSystem("HttpClientSpec"))
-    with CatsEffectSpec
-    with CirceLiteral
-    with ScalaFutures
+    with AsyncWordSpecLike
     with BeforeAndAfterEach
-    with EitherValues {
+    with Matchers {
+
+  implicit def ioToFutureAssertion(io: IO[Assertion]): Future[Assertion] = io.unsafeToFuture()
 
   implicit private val config: HttpClientConfig = HttpClientConfig(OnceStrategyConfig(200.millis), onServerError, false)
 
   private val value1 = Value("first", 1, deprecated = false)
   private val value2 = Value("second", 2, deprecated = true)
 
-  private val baseUri         = Uri("http://localhost/v1")
-  private val getUri          = baseUri / s"values/first"
+  private val baseUri         = "http://localhost/v1"
+  private val getUri          = Uri(s"$baseUri/values/first")
   private val reqGetValue     = HttpRequest(uri = getUri)
   private val count           = Count()
-  private val streamUri       = baseUri / "values/events"
+  private val streamUri       = Uri(s"$baseUri/values/events")
   private val reqStreamValues = HttpRequest(uri = streamUri)
-  private val clientErrorUri  = baseUri / "values/errors/client"
+  private val clientErrorUri  = Uri(s"$baseUri/values/errors/client")
   private val reqClientError  = HttpRequest(uri = clientErrorUri)
-  private val serverErrorUri  = baseUri / "values/errors/server"
+  private val serverErrorUri  = Uri(s"$baseUri/values/errors/server")
   private val reqServerError  = HttpRequest(uri = serverErrorUri)
 
   private def toSource(values: List[Json]): AkkaSource =
@@ -86,36 +86,57 @@ class HttpClientSpec
     val client = HttpClient(httpSingleReq)
 
     "return the Value response" in {
-      client.fromJsonTo[Value](reqGetValue).accepted shouldEqual value1
-      count.values shouldEqual Count(reqGetValue = 1).values
+      client.fromJsonTo[Value](reqGetValue).map { obtained =>
+        obtained shouldEqual value1
+        count.values shouldEqual Count(reqGetValue = 1).values
+      }
     }
 
     "return the AkkaSource response" in {
-      val stream = client.toDataBytes(reqStreamValues).accepted
-      stream
-        .runFold(Vector.empty[Value]) { (acc, c) => acc :+ parse(c.utf8String).rightValue.as[Value].rightValue }
-        .futureValue shouldEqual Vector(value1, value2)
-      count.values shouldEqual Count(reqStreamValues = 1).values
+      def parseValue(value: String) =
+        parse(value).flatMap(_.as[Value]).getOrElse(throw new IllegalStateException("Could not be parsed to value"))
+
+      def sourceToVector(source: AkkaSource) = source
+        .runFold(Vector.empty[Value]) { (acc, c) => acc :+ parseValue(c.utf8String) }
+      for {
+        source <- client.toDataBytes(reqStreamValues)
+        values <- IO.fromFuture(IO.delay(sourceToVector(source)))
+      } yield {
+        values shouldEqual Vector(value1, value2)
+        count.values shouldEqual Count(reqStreamValues = 1).values
+      }
     }
 
     "fail Decoding the Int response" in {
-      client.fromJsonTo[Int](reqGetValue).rejectedWith[HttpSerializationError]
-      count.values shouldEqual Count(reqGetValue = 1).values
+      recoverToSucceededIf[HttpSerializationError] {
+        client.fromJsonTo[Int](reqGetValue).map(_ => succeed)
+      }.map { _ =>
+        count.values shouldEqual Count(reqGetValue = 1).values
+      }
     }
 
     "fail with HttpUnexpectedError while retrying" in {
-      client.toJson(HttpRequest(uri = "http://other.com")).rejectedWith[HttpUnexpectedError]
-      count.values shouldEqual Count(reqOtherError = 2).values
+      recoverToSucceededIf[HttpUnexpectedError] {
+        client.toJson(HttpRequest(uri = "http://other.com")).map(_ => succeed)
+      }.map { _ =>
+        count.values shouldEqual Count(reqOtherError = 2).values
+      }
     }
 
     "fail with HttpServerStatusError while retrying" in {
-      client.toJson(reqServerError).rejectedWith[HttpServerStatusError]
-      count.values shouldEqual Count(reqServerError = 2).values
+      recoverToSucceededIf[HttpServerStatusError] {
+        client.toJson(reqServerError).map(_ => succeed)
+      }.map { _ =>
+        count.values shouldEqual Count(reqServerError = 2).values
+      }
     }
 
     "fail with HttpClientStatusError" in {
-      client.toJson(reqClientError).rejectedWith[HttpClientStatusError]
-      count.values shouldEqual Count(reqClientError = 1).values
+      recoverToSucceededIf[HttpClientStatusError] {
+        client.toJson(reqClientError).map(_ => succeed)
+      }.map { _ =>
+        count.values shouldEqual Count(reqClientError = 1).values
+      }
     }
   }
 
diff --git a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphErrorParser.scala b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphErrorParser.scala
index 142448e913..198dd95b07 100644
--- a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphErrorParser.scala
+++ b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphErrorParser.scala
@@ -2,7 +2,7 @@ package ch.epfl.bluebrain.nexus.delta.plugins.blazegraph
 
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.SparqlClientError
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.SparqlClientError.WrappedHttpClientError
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 
 object BlazegraphErrorParser {
 
diff --git a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphPluginModule.scala b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphPluginModule.scala
index ef3831a9a8..094a067966 100644
--- a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphPluginModule.scala
+++ b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphPluginModule.scala
@@ -3,6 +3,7 @@ package ch.epfl.bluebrain.nexus.delta.plugins.blazegraph
 import akka.actor.ActorSystem
 import cats.effect.{Clock, IO}
 import ch.epfl.bluebrain.nexus.delta.kernel.dependency.ServiceDependency
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig}
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.{ClasspathResourceLoader, UUIDF}
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.BlazegraphClient
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.config.BlazegraphViewsConfig
@@ -19,7 +20,6 @@ import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclCheck
 import ch.epfl.bluebrain.nexus.delta.sdk.deletion.ProjectDeletionTask
 import ch.epfl.bluebrain.nexus.delta.sdk.directives.DeltaSchemeDirectives
 import ch.epfl.bluebrain.nexus.delta.sdk.fusion.FusionConfig
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientConfig}
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.Identities
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.ServiceAccount
 import ch.epfl.bluebrain.nexus.delta.sdk.model._
diff --git a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/BlazegraphClient.scala b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/BlazegraphClient.scala
index f2472d0e51..f641b03cee 100644
--- a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/BlazegraphClient.scala
+++ b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/BlazegraphClient.scala
@@ -12,13 +12,13 @@ import cats.effect.IO
 import cats.syntax.all._
 import ch.epfl.bluebrain.nexus.delta.kernel.dependency.ComponentDescription.ServiceDescription
 import ch.epfl.bluebrain.nexus.delta.kernel.dependency.ComponentDescription.ServiceDescription.ResolvedServiceDescription
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.BlazegraphClient.timeoutHeader
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.SparqlClientError.{InvalidCountRequest, WrappedHttpClientError}
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.SparqlQueryResponseType.{Aux, SparqlResultsJson}
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.config.BlazegraphViewsConfig.Credentials
 import ch.epfl.bluebrain.nexus.delta.rdf.query.SparqlQuery
 import ch.epfl.bluebrain.nexus.delta.rdf.query.SparqlQuery.SparqlConstructQuery
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.sdk.syntax._
 
 import scala.concurrent.duration._
diff --git a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/SparqlClient.scala b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/SparqlClient.scala
index aa354cf053..d8eb36534e 100644
--- a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/SparqlClient.scala
+++ b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/SparqlClient.scala
@@ -7,13 +7,13 @@ import akka.http.scaladsl.model._
 import akka.http.scaladsl.model.headers.{Accept, HttpCredentials}
 import cats.effect.IO
 import cats.syntax.all._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.SparqlClientError.{InvalidUpdateRequest, WrappedHttpClientError}
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.SparqlQueryResponse.{SparqlJsonLdResponse, SparqlNTriplesResponse, SparqlRdfXmlResponse, SparqlResultsResponse, SparqlXmlResultsResponse}
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.SparqlQueryResponseType._
 import ch.epfl.bluebrain.nexus.delta.rdf.IriOrBNode.BNode
 import ch.epfl.bluebrain.nexus.delta.rdf.graph.NTriples
 import ch.epfl.bluebrain.nexus.delta.rdf.query.SparqlQuery
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.sdk.syntax._
 import io.circe.Json
 import io.circe.syntax._
diff --git a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/SparqlClientError.scala b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/SparqlClientError.scala
index fa99229459..6056ae296f 100644
--- a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/SparqlClientError.scala
+++ b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/SparqlClientError.scala
@@ -1,6 +1,6 @@
 package ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client
 
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 
 /**
   * Error that can occur when using an [[SparqlClient]]
diff --git a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/config/BlazegraphViewsConfig.scala b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/config/BlazegraphViewsConfig.scala
index 49590bfe36..21ff38db67 100644
--- a/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/config/BlazegraphViewsConfig.scala
+++ b/delta/plugins/blazegraph/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/config/BlazegraphViewsConfig.scala
@@ -5,7 +5,7 @@ import ch.epfl.bluebrain.nexus.delta.kernel.Secret
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.config.BlazegraphViewsConfig.Credentials
 import ch.epfl.bluebrain.nexus.delta.sdk.Defaults
 import ch.epfl.bluebrain.nexus.delta.sdk.instances._
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientConfig
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientConfig
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.PaginationConfig
 import ch.epfl.bluebrain.nexus.delta.sourcing.config.{BatchConfig, EventLogConfig}
 import com.typesafe.config.Config
diff --git a/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphClientSetup.scala b/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphClientSetup.scala
index 0c275685b1..97cb6831a3 100644
--- a/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphClientSetup.scala
+++ b/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/BlazegraphClientSetup.scala
@@ -3,8 +3,8 @@ package ch.epfl.bluebrain.nexus.delta.plugins.blazegraph
 import akka.actor.ActorSystem
 import cats.effect.{IO, Resource}
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.BlazegraphClient
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientSetup
 import ch.epfl.bluebrain.nexus.testkit.blazegraph.BlazegraphContainer
+import ch.epfl.bluebrain.nexus.testkit.http.HttpClientSetup
 import munit.CatsEffectSuite
 import munit.catseffect.IOFixture
 
diff --git a/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/BlazegraphClientSpec.scala b/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/BlazegraphClientSpec.scala
index bfbe69c102..f03ef56217 100644
--- a/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/BlazegraphClientSpec.scala
+++ b/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/client/BlazegraphClientSpec.scala
@@ -18,8 +18,8 @@ import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.RemoteContextResolution
 import ch.epfl.bluebrain.nexus.delta.rdf.query.SparqlQuery
 import ch.epfl.bluebrain.nexus.delta.rdf.query.SparqlQuery.SparqlConstructQuery
 import ch.epfl.bluebrain.nexus.delta.sdk.ConfigFixtures
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.{HttpClientStatusError, HttpServerStatusError}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientConfig}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.{HttpClientStatusError, HttpServerStatusError}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig}
 import ch.epfl.bluebrain.nexus.delta.sdk.syntax._
 import ch.epfl.bluebrain.nexus.testkit.blazegraph.BlazegraphDocker
 import ch.epfl.bluebrain.nexus.testkit.scalatest.ce.CatsEffectSpec
diff --git a/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/routes/BlazegraphViewsQuerySpec.scala b/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/routes/BlazegraphViewsQuerySpec.scala
index 08f7e8a964..376973b5d3 100644
--- a/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/routes/BlazegraphViewsQuerySpec.scala
+++ b/delta/plugins/blazegraph/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/blazegraph/routes/BlazegraphViewsQuerySpec.scala
@@ -7,6 +7,7 @@ import cats.data.NonEmptySet
 import cats.effect.IO
 import cats.syntax.all._
 import ch.epfl.bluebrain.nexus.delta.kernel.RetryStrategyConfig.AlwaysGiveUp
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig, HttpClientWorthRetry}
 import ch.epfl.bluebrain.nexus.delta.kernel.search.Pagination
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.UUIDF
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.BlazegraphViewsQuery.BlazegraphQueryContext
@@ -28,7 +29,6 @@ import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclSimpleCheck
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.model.AclAddress
 import ch.epfl.bluebrain.nexus.delta.sdk.error.ServiceError.AuthorizationFailed
 import ch.epfl.bluebrain.nexus.delta.sdk.generators.ProjectGen
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientConfig, HttpClientWorthRetry}
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.Caller
 import ch.epfl.bluebrain.nexus.delta.sdk.implicits._
 import ch.epfl.bluebrain.nexus.delta.sdk.model._
diff --git a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/CompositeViewsPluginModule.scala b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/CompositeViewsPluginModule.scala
index 3f1a2fcb93..6fb54b10e9 100644
--- a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/CompositeViewsPluginModule.scala
+++ b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/CompositeViewsPluginModule.scala
@@ -2,6 +2,7 @@ package ch.epfl.bluebrain.nexus.delta.plugins.compositeviews
 
 import akka.actor.ActorSystem
 import cats.effect.{Clock, IO}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig}
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.{ClasspathResourceLoader, UUIDF}
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.BlazegraphClient
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.model.DefaultProperties
@@ -25,7 +26,6 @@ import ch.epfl.bluebrain.nexus.delta.sdk.auth.AuthTokenProvider
 import ch.epfl.bluebrain.nexus.delta.sdk.deletion.ProjectDeletionTask
 import ch.epfl.bluebrain.nexus.delta.sdk.directives.DeltaSchemeDirectives
 import ch.epfl.bluebrain.nexus.delta.sdk.fusion.FusionConfig
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientConfig}
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.Identities
 import ch.epfl.bluebrain.nexus.delta.sdk.model._
 import ch.epfl.bluebrain.nexus.delta.sdk.model.metrics.ScopedEventMetricEncoder
diff --git a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ElasticSearchQuery.scala b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ElasticSearchQuery.scala
index 35a1141c4e..7cb1712e7c 100644
--- a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ElasticSearchQuery.scala
+++ b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ElasticSearchQuery.scala
@@ -4,6 +4,7 @@ import akka.http.scaladsl.model.Uri
 import akka.http.scaladsl.model.Uri.Query
 import cats.effect.IO
 import cats.syntax.all._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.indexing.CompositeViewDef.ActiveViewDef
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.indexing.projectionIndex
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.model.CompositeViewProjection.ElasticSearchProjection
@@ -11,7 +12,6 @@ import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.model.CompositeViewR
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclCheck
 import ch.epfl.bluebrain.nexus.delta.sdk.error.ServiceError.AuthorizationFailed
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.Caller
 import ch.epfl.bluebrain.nexus.delta.sdk.model.IdSegment
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.SortList
diff --git a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ValidateCompositeView.scala b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ValidateCompositeView.scala
index 87e4cccada..53d7b6b1af 100644
--- a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ValidateCompositeView.scala
+++ b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ValidateCompositeView.scala
@@ -2,6 +2,8 @@ package ch.epfl.bluebrain.nexus.delta.plugins.compositeviews
 
 import cats.effect.IO
 import cats.syntax.all._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.HttpClientStatusError
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.client.DeltaClient
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.indexing.projectionIndex
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.model.CompositeViewProjection.{ElasticSearchProjection, SparqlProjection}
@@ -10,8 +12,6 @@ import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.model.CompositeViewS
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.model.{CompositeViewProjection, CompositeViewSource, CompositeViewValue}
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.{ElasticSearchClient, IndexLabel}
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclCheck
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpClientStatusError
 import ch.epfl.bluebrain.nexus.delta.sdk.model.BaseUri
 import ch.epfl.bluebrain.nexus.delta.sdk.permissions.Permissions.events
 import ch.epfl.bluebrain.nexus.delta.sdk.permissions.model.Permission
diff --git a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/client/DeltaClient.scala b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/client/DeltaClient.scala
index c24c5ee0f0..6b734da612 100644
--- a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/client/DeltaClient.scala
+++ b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/client/DeltaClient.scala
@@ -9,14 +9,14 @@ import akka.http.scaladsl.model.{HttpRequest, HttpResponse, StatusCodes}
 import akka.stream.alpakka.sse.scaladsl.EventSource
 import cats.effect.IO
 import cats.effect.unsafe.implicits._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClient
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.{HttpClientStatusError, HttpTimeoutError}
 import ch.epfl.bluebrain.nexus.delta.kernel.{Logger, RdfMediaTypes}
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.model.CompositeViewSource.RemoteProjectSource
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.stream.CompositeBranch
 import ch.epfl.bluebrain.nexus.delta.rdf.IriOrBNode.Iri
 import ch.epfl.bluebrain.nexus.delta.rdf.graph.NQuads
 import ch.epfl.bluebrain.nexus.delta.sdk.auth.{AuthTokenProvider, Credentials}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClient
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpClientStatusError
 import ch.epfl.bluebrain.nexus.delta.sdk.projects.model.ProjectStatistics
 import ch.epfl.bluebrain.nexus.delta.sdk.stream.StreamConverter
 import ch.epfl.bluebrain.nexus.delta.sdk.syntax._
@@ -25,7 +25,6 @@ import ch.epfl.bluebrain.nexus.delta.sourcing.offset.Offset
 import ch.epfl.bluebrain.nexus.delta.sourcing.offset.Offset.Start
 import ch.epfl.bluebrain.nexus.delta.sourcing.stream.{Elem, RemainingElems}
 import io.circe.parser.decode
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpTimeoutError
 import fs2._
 
 import scala.concurrent.Future
diff --git a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/model/CompositeViewRejection.scala b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/model/CompositeViewRejection.scala
index 671a310846..b04ee20ce5 100644
--- a/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/model/CompositeViewRejection.scala
+++ b/delta/plugins/composite-views/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/model/CompositeViewRejection.scala
@@ -2,6 +2,7 @@ package ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.model
 
 import akka.http.scaladsl.model.StatusCodes
 import ch.epfl.bluebrain.nexus.delta.kernel.error.Rejection
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.ClassUtils
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.client.SparqlClientError
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.model.CompositeViewSource._
@@ -10,7 +11,6 @@ import ch.epfl.bluebrain.nexus.delta.rdf.Vocabulary
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.ContextValue
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.JsonLdContext.keywords
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.encoder.JsonLdEncoder
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.implicits._
 import ch.epfl.bluebrain.nexus.delta.sdk.jsonld.JsonLdRejection
 import ch.epfl.bluebrain.nexus.delta.sdk.marshalling.HttpResponseFields
diff --git a/delta/plugins/composite-views/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ElasticSearchQuerySpec.scala b/delta/plugins/composite-views/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ElasticSearchQuerySpec.scala
index ef99a6741d..e1852f2b40 100644
--- a/delta/plugins/composite-views/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ElasticSearchQuerySpec.scala
+++ b/delta/plugins/composite-views/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/ElasticSearchQuerySpec.scala
@@ -4,6 +4,7 @@ import akka.http.scaladsl.model.HttpRequest
 import akka.http.scaladsl.model.Uri.Query
 import cats.data.NonEmptyList
 import cats.effect.IO
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.HttpUnexpectedError
 import ch.epfl.bluebrain.nexus.delta.plugins.blazegraph.model.permissions
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.indexing.CompositeViewDef.ActiveViewDef
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.indexing.projectionIndex
@@ -20,7 +21,6 @@ import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclSimpleCheck
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.model.AclAddress
 import ch.epfl.bluebrain.nexus.delta.sdk.error.ServiceError.AuthorizationFailed
 import ch.epfl.bluebrain.nexus.delta.sdk.generators.ProjectGen
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpUnexpectedError
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.Caller
 import ch.epfl.bluebrain.nexus.delta.sdk.implicits._
 import ch.epfl.bluebrain.nexus.delta.sdk.model._
diff --git a/delta/plugins/composite-views/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/client/DeltaClientSpec.scala b/delta/plugins/composite-views/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/client/DeltaClientSpec.scala
index bc1b8b2aee..4a3184f07f 100644
--- a/delta/plugins/composite-views/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/client/DeltaClientSpec.scala
+++ b/delta/plugins/composite-views/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/compositeviews/client/DeltaClientSpec.scala
@@ -11,12 +11,12 @@ import akka.http.scaladsl.server.RouteResult
 import akka.stream.scaladsl.Source
 import akka.testkit.TestKit
 import ch.epfl.bluebrain.nexus.delta.kernel.RdfMediaTypes
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.model.CompositeViewSource.RemoteProjectSource
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.stream.CompositeBranch
 import ch.epfl.bluebrain.nexus.delta.rdf.graph.NQuads
 import ch.epfl.bluebrain.nexus.delta.sdk.ConfigFixtures
 import ch.epfl.bluebrain.nexus.delta.sdk.auth.{AuthTokenProvider, Credentials}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientConfig, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.sdk.marshalling.QueryParamsUnmarshalling
 import ch.epfl.bluebrain.nexus.delta.sdk.projects.model.ProjectStatistics
 import ch.epfl.bluebrain.nexus.delta.sdk.syntax._
diff --git a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchPluginModule.scala b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchPluginModule.scala
index 44ee44fb6e..42db3ee713 100644
--- a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchPluginModule.scala
+++ b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchPluginModule.scala
@@ -23,7 +23,7 @@ import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclCheck
 import ch.epfl.bluebrain.nexus.delta.sdk.deletion.ProjectDeletionTask
 import ch.epfl.bluebrain.nexus.delta.sdk.directives.DeltaSchemeDirectives
 import ch.epfl.bluebrain.nexus.delta.sdk.fusion.FusionConfig
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientConfig}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig}
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.Identities
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.ServiceAccount
 import ch.epfl.bluebrain.nexus.delta.sdk.model._
diff --git a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchViewsQuery.scala b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchViewsQuery.scala
index 472a024ff2..789a63e953 100644
--- a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchViewsQuery.scala
+++ b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchViewsQuery.scala
@@ -11,7 +11,7 @@ import ch.epfl.bluebrain.nexus.delta.rdf.IriOrBNode.Iri
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclCheck
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.model.AclAddress.{Project => ProjectAcl}
 import ch.epfl.bluebrain.nexus.delta.sdk.error.ServiceError.AuthorizationFailed
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.Caller
 import ch.epfl.bluebrain.nexus.delta.sdk.model.IdSegment
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.SortList
diff --git a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ValidateElasticSearchView.scala b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ValidateElasticSearchView.scala
index b2a8a5a17e..fb36b7def3 100644
--- a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ValidateElasticSearchView.scala
+++ b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ValidateElasticSearchView.scala
@@ -6,8 +6,8 @@ import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.{ElasticSearch
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.model.ElasticSearchViewRejection.{InvalidElasticSearchIndexPayload, InvalidPipeline, InvalidViewReferences, PermissionIsNotDefined, TooManyViewReferences, WrappedElasticSearchClientError}
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.model.ElasticSearchViewValue.{AggregateElasticSearchViewValue, IndexingElasticSearchViewValue}
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.model.{DefaultMapping, DefaultSettings, ElasticSearchViewValue}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpClientStatusError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.HttpClientStatusError
 import ch.epfl.bluebrain.nexus.delta.sdk.permissions.Permissions
 import ch.epfl.bluebrain.nexus.delta.sdk.permissions.model.Permission
 import ch.epfl.bluebrain.nexus.delta.sdk.views.{IndexingRev, ValidateAggregate}
diff --git a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/client/ElasticSearchClient.scala b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/client/ElasticSearchClient.scala
index 4c386e8faa..5ab70669b6 100644
--- a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/client/ElasticSearchClient.scala
+++ b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/client/ElasticSearchClient.scala
@@ -9,17 +9,17 @@ import akka.http.scaladsl.model.headers.BasicHttpCredentials
 import cats.effect.IO
 import cats.syntax.all._
 import ch.epfl.bluebrain.nexus.delta.kernel.RetryStrategy.logError
+import ch.epfl.bluebrain.nexus.delta.kernel.circe.CirceMarshalling._
 import ch.epfl.bluebrain.nexus.delta.kernel.dependency.ComponentDescription.ServiceDescription
 import ch.epfl.bluebrain.nexus.delta.kernel.dependency.ComponentDescription.ServiceDescription.ResolvedServiceDescription
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.{HttpClientStatusError, HttpUnexpectedError}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.kernel.search.Pagination
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.UrlUtils
 import ch.epfl.bluebrain.nexus.delta.kernel.{Logger, RetryStrategy}
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient.BulkResponse.MixedOutcomes.Outcome
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient._
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.model.{EmptyResults, ResourcesSearchParams}
-import ch.epfl.bluebrain.nexus.delta.kernel.circe.CirceMarshalling._
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.{HttpClientStatusError, HttpUnexpectedError}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.sdk.model.BaseUri
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.ResultEntry.{ScoredResultEntry, UnscoredResultEntry}
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.SearchResults.{ScoredSearchResults, UnscoredSearchResults}
diff --git a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/indexing/ElasticSearchCoordinator.scala b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/indexing/ElasticSearchCoordinator.scala
index 704968af16..0331212fee 100644
--- a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/indexing/ElasticSearchCoordinator.scala
+++ b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/indexing/ElasticSearchCoordinator.scala
@@ -11,7 +11,7 @@ import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchC
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.config.ElasticSearchViewsConfig
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.indexing.IndexingViewDef.{ActiveViewDef, DeprecatedViewDef}
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.RemoteContextResolution
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.{HttpClientStatusError, HttpServerStatusError}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.{HttpClientStatusError, HttpServerStatusError}
 import ch.epfl.bluebrain.nexus.delta.sdk.stream.GraphResourceStream
 import ch.epfl.bluebrain.nexus.delta.sdk.views.ViewRef
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.SuccessElemStream
diff --git a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/model/ElasticSearchViewRejection.scala b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/model/ElasticSearchViewRejection.scala
index 2c0482d2f6..a65c893ab0 100644
--- a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/model/ElasticSearchViewRejection.scala
+++ b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/model/ElasticSearchViewRejection.scala
@@ -2,13 +2,13 @@ package ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.model
 
 import akka.http.scaladsl.model.StatusCodes
 import ch.epfl.bluebrain.nexus.delta.kernel.error.Rejection
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.ClassUtils
 import ch.epfl.bluebrain.nexus.delta.rdf.IriOrBNode.Iri
 import ch.epfl.bluebrain.nexus.delta.rdf.Vocabulary
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.ContextValue
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.JsonLdContext.keywords
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.encoder.JsonLdEncoder
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.jsonld.JsonLdRejection
 import ch.epfl.bluebrain.nexus.delta.sdk.marshalling.HttpResponseFields
 import ch.epfl.bluebrain.nexus.delta.sdk.model.IdSegmentRef
diff --git a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/query/DefaultViewsQuery.scala b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/query/DefaultViewsQuery.scala
index 3c44daa88b..cf5606a2f9 100644
--- a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/query/DefaultViewsQuery.scala
+++ b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/query/DefaultViewsQuery.scala
@@ -3,6 +3,7 @@ package ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.query
 import akka.http.scaladsl.model.Uri
 import cats.effect.IO
 import cats.implicits._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.config.ElasticSearchViewsConfig
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.model.permissions
@@ -10,7 +11,6 @@ import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.query.ElasticSearchQu
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclCheck
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.model.AclAddress.{Project => ProjectAcl}
 import ch.epfl.bluebrain.nexus.delta.sdk.error.ServiceError.AuthorizationFailed
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.Caller
 import ch.epfl.bluebrain.nexus.delta.sdk.model.BaseUri
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.{AggregationResult, SearchResults}
diff --git a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/query/ElasticSearchQueryError.scala b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/query/ElasticSearchQueryError.scala
index 3bd9f87dbe..1c883e610f 100644
--- a/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/query/ElasticSearchQueryError.scala
+++ b/delta/plugins/elasticsearch/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/query/ElasticSearchQueryError.scala
@@ -7,7 +7,7 @@ import ch.epfl.bluebrain.nexus.delta.rdf.Vocabulary
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.ContextValue
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.JsonLdContext.keywords
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.encoder.JsonLdEncoder
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.marshalling.HttpResponseFields
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.ProjectRef
 import io.circe.syntax.KeyOps
diff --git a/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchClientSetup.scala b/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchClientSetup.scala
index 3e1a95e3fe..96fd55a637 100644
--- a/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchClientSetup.scala
+++ b/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ElasticSearchClientSetup.scala
@@ -4,9 +4,9 @@ import akka.actor.ActorSystem
 import akka.http.scaladsl.model.headers.BasicHttpCredentials
 import cats.effect.{IO, Resource}
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientSetup
 import ch.epfl.bluebrain.nexus.testkit.CirceLiteral
 import ch.epfl.bluebrain.nexus.testkit.elasticsearch.ElasticSearchContainer
+import ch.epfl.bluebrain.nexus.testkit.http.HttpClientSetup
 import munit.CatsEffectSuite
 import munit.catseffect.IOFixture
 
diff --git a/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ScalaTestElasticSearchClientSetup.scala b/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ScalaTestElasticSearchClientSetup.scala
index 962fc42fe6..f929c1173c 100644
--- a/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ScalaTestElasticSearchClientSetup.scala
+++ b/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/ScalaTestElasticSearchClientSetup.scala
@@ -5,7 +5,7 @@ import akka.http.scaladsl.model.headers.BasicHttpCredentials
 import cats.effect.unsafe.implicits._
 import ch.epfl.bluebrain.nexus.delta.kernel.RetryStrategyConfig
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientConfig, HttpClientWorthRetry}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig, HttpClientWorthRetry}
 import ch.epfl.bluebrain.nexus.testkit.CirceLiteral
 import ch.epfl.bluebrain.nexus.testkit.elasticsearch.{ElasticSearchContainer, ElasticSearchDocker}
 
diff --git a/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/client/ElasticSearchClientSpec.scala b/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/client/ElasticSearchClientSpec.scala
index 21fd83f4ca..071e93a939 100644
--- a/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/client/ElasticSearchClientSpec.scala
+++ b/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/client/ElasticSearchClientSpec.scala
@@ -12,8 +12,8 @@ import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.ScalaTestElasticSearc
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient.BulkResponse.MixedOutcomes.Outcome
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient.{BulkResponse, Refresh}
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.model.ResourcesSearchParams
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpClientStatusError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.HttpClientStatusError
 import ch.epfl.bluebrain.nexus.delta.sdk.model.BaseUri
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.ResultEntry.ScoredResultEntry
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.SearchResults.ScoredSearchResults
diff --git a/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/indexing/ElasticSearchSinkSuite.scala b/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/indexing/ElasticSearchSinkSuite.scala
index 62ebc4ccf9..fbb34594c6 100644
--- a/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/indexing/ElasticSearchSinkSuite.scala
+++ b/delta/plugins/elasticsearch/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/elasticsearch/indexing/ElasticSearchSinkSuite.scala
@@ -2,12 +2,12 @@ package ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.indexing
 
 import akka.http.scaladsl.model.StatusCodes
 import akka.http.scaladsl.model.Uri.Query
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.ElasticSearchClientSetup
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient.Refresh
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.{IndexLabel, QueryBuilder}
 import ch.epfl.bluebrain.nexus.delta.rdf.IriOrBNode.Iri
 import ch.epfl.bluebrain.nexus.delta.rdf.Vocabulary.nxv
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.{EntityType, ProjectRef}
 import ch.epfl.bluebrain.nexus.delta.sourcing.offset.Offset
 import ch.epfl.bluebrain.nexus.delta.sourcing.stream.Elem.{DroppedElem, FailedElem, SuccessElem}
diff --git a/delta/plugins/graph-analytics/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalytics.scala b/delta/plugins/graph-analytics/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalytics.scala
index b9dd97dd60..a53978c80f 100644
--- a/delta/plugins/graph-analytics/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalytics.scala
+++ b/delta/plugins/graph-analytics/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalytics.scala
@@ -4,6 +4,7 @@ import akka.http.scaladsl.model.Uri.Query
 import cats.data.NonEmptySeq
 import cats.effect.IO
 import cats.implicits._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.{ElasticSearchClient, IndexLabel, QueryBuilder}
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.model.ElasticSearchViewRejection.WrappedElasticSearchClientError
 import ch.epfl.bluebrain.nexus.delta.plugins.graph.analytics.config.GraphAnalyticsConfig.TermAggregationsConfig
@@ -12,7 +13,6 @@ import ch.epfl.bluebrain.nexus.delta.plugins.graph.analytics.model.GraphAnalytic
 import ch.epfl.bluebrain.nexus.delta.plugins.graph.analytics.model.PropertiesStatistics.propertiesDecoderFromEsAggregations
 import ch.epfl.bluebrain.nexus.delta.plugins.graph.analytics.model.{AnalyticsGraph, PropertiesStatistics}
 import ch.epfl.bluebrain.nexus.delta.rdf.IriOrBNode.Iri
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.jsonld.ExpandIri
 import ch.epfl.bluebrain.nexus.delta.sdk.model.IdSegment
 import ch.epfl.bluebrain.nexus.delta.sdk.projects.FetchContext
diff --git a/delta/plugins/graph-analytics/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalyticsViewsQuery.scala b/delta/plugins/graph-analytics/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalyticsViewsQuery.scala
index baf1369168..d7f029eb9c 100644
--- a/delta/plugins/graph-analytics/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalyticsViewsQuery.scala
+++ b/delta/plugins/graph-analytics/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalyticsViewsQuery.scala
@@ -3,9 +3,9 @@ package ch.epfl.bluebrain.nexus.delta.plugins.graph.analytics
 import akka.http.scaladsl.model.Uri
 import cats.effect.IO
 import cats.implicits._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.ElasticSearchClient
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.model.ElasticSearchViewRejection.WrappedElasticSearchClientError
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.SortList
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.ProjectRef
 import io.circe.{Json, JsonObject}
diff --git a/delta/plugins/graph-analytics/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalyticsSpec.scala b/delta/plugins/graph-analytics/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalyticsSpec.scala
index b2f8eeafb1..5cc52465ca 100644
--- a/delta/plugins/graph-analytics/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalyticsSpec.scala
+++ b/delta/plugins/graph-analytics/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/graph/analytics/GraphAnalyticsSpec.scala
@@ -3,6 +3,7 @@ package ch.epfl.bluebrain.nexus.delta.plugins.graph.analytics
 import akka.actor.ActorSystem
 import akka.testkit.TestKit
 import ch.epfl.bluebrain.nexus.delta.kernel.RetryStrategyConfig
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig, HttpClientWorthRetry}
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.Fixtures
 import ch.epfl.bluebrain.nexus.delta.plugins.elasticsearch.client.{ElasticSearchAction, ElasticSearchClient}
 import ch.epfl.bluebrain.nexus.delta.plugins.graph.analytics.config.GraphAnalyticsConfig.TermAggregationsConfig
@@ -12,7 +13,6 @@ import ch.epfl.bluebrain.nexus.delta.plugins.graph.analytics.model.{AnalyticsGra
 import ch.epfl.bluebrain.nexus.delta.rdf.Vocabulary.schema
 import ch.epfl.bluebrain.nexus.delta.sdk.ConfigFixtures
 import ch.epfl.bluebrain.nexus.delta.sdk.generators.ProjectGen
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientConfig, HttpClientWorthRetry}
 import ch.epfl.bluebrain.nexus.delta.sdk.projects.FetchContextDummy
 import ch.epfl.bluebrain.nexus.delta.sdk.syntax._
 import ch.epfl.bluebrain.nexus.testkit.clock.FixedClock
diff --git a/delta/plugins/search/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/search/Search.scala b/delta/plugins/search/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/search/Search.scala
index 04dc529ada..10f177ce62 100644
--- a/delta/plugins/search/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/search/Search.scala
+++ b/delta/plugins/search/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/search/Search.scala
@@ -3,6 +3,7 @@ package ch.epfl.bluebrain.nexus.delta.plugins.search
 import akka.http.scaladsl.model.Uri
 import cats.effect.IO
 import cats.implicits._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.kernel.search.Pagination
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.CompositeViews
 import ch.epfl.bluebrain.nexus.delta.plugins.compositeviews.indexing.projectionIndex
@@ -13,7 +14,6 @@ import ch.epfl.bluebrain.nexus.delta.plugins.search.model.SearchRejection.{Unkno
 import ch.epfl.bluebrain.nexus.delta.plugins.search.model._
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclCheck
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.model.AclAddress.{Project => ProjectAcl}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.Caller
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.{Label, ProjectRef}
 import io.circe.{Json, JsonObject}
diff --git a/delta/plugins/search/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/search/model/SearchRejection.scala b/delta/plugins/search/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/search/model/SearchRejection.scala
index 11e54b1be6..47e5b3dafb 100644
--- a/delta/plugins/search/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/search/model/SearchRejection.scala
+++ b/delta/plugins/search/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/search/model/SearchRejection.scala
@@ -2,12 +2,12 @@ package ch.epfl.bluebrain.nexus.delta.plugins.search.model
 
 import akka.http.scaladsl.model.StatusCodes
 import ch.epfl.bluebrain.nexus.delta.kernel.error.Rejection
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.ClassUtils
 import ch.epfl.bluebrain.nexus.delta.rdf.Vocabulary
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.ContextValue
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.JsonLdContext.keywords
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.encoder.JsonLdEncoder
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.marshalling.HttpResponseFields
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.Label
 import io.circe.syntax._
diff --git a/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/StoragePluginModule.scala b/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/StoragePluginModule.scala
index 16fa22b3ed..d9b6afb9aa 100644
--- a/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/StoragePluginModule.scala
+++ b/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/StoragePluginModule.scala
@@ -37,7 +37,7 @@ import ch.epfl.bluebrain.nexus.delta.sdk.auth.AuthTokenProvider
 import ch.epfl.bluebrain.nexus.delta.sdk.deletion.ProjectDeletionTask
 import ch.epfl.bluebrain.nexus.delta.sdk.directives.DeltaSchemeDirectives
 import ch.epfl.bluebrain.nexus.delta.sdk.fusion.FusionConfig
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClient
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClient
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.Identities
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.ServiceAccount
 import ch.epfl.bluebrain.nexus.delta.sdk.jws.JWSPayloadHelper
diff --git a/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/access/RemoteStorageAccess.scala b/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/access/RemoteStorageAccess.scala
index 68152f2ec3..63e9f91243 100644
--- a/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/access/RemoteStorageAccess.scala
+++ b/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/access/RemoteStorageAccess.scala
@@ -4,7 +4,7 @@ import cats.syntax.all._
 import cats.effect.IO
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.model.StorageRejection.StorageNotAccessible
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.remote.client.RemoteDiskStorageClient
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.Label
 
 trait RemoteStorageAccess {
diff --git a/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/remote/client/RemoteDiskStorageClient.scala b/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/remote/client/RemoteDiskStorageClient.scala
index 05458fcbda..456e38b5cc 100644
--- a/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/remote/client/RemoteDiskStorageClient.scala
+++ b/delta/plugins/storage/src/main/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/remote/client/RemoteDiskStorageClient.scala
@@ -21,8 +21,8 @@ import ch.epfl.bluebrain.nexus.delta.kernel.AkkaSource
 import ch.epfl.bluebrain.nexus.delta.sdk.auth.{AuthTokenProvider, Credentials}
 import ch.epfl.bluebrain.nexus.delta.kernel.circe.CirceMarshalling._
 import ch.epfl.bluebrain.nexus.delta.sdk.error.ServiceError.FeatureDisabled
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError._
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientError}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError._
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.sdk.model.BaseUri
 import ch.epfl.bluebrain.nexus.delta.sdk.syntax._
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.Label
diff --git a/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/remotestorage/RemoteStorageClientFixtures.scala b/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/remotestorage/RemoteStorageClientFixtures.scala
index 3fad5a51db..8d46940182 100644
--- a/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/remotestorage/RemoteStorageClientFixtures.scala
+++ b/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/remotestorage/RemoteStorageClientFixtures.scala
@@ -1,12 +1,12 @@
 package ch.epfl.bluebrain.nexus.delta.plugins.storage.remotestorage
 
 import akka.actor.ActorSystem
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig}
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.remotestorage.RemoteStorageClientFixtures.{BucketName, RemoteStorageHostConfig}
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.remote.client.RemoteDiskStorageClient
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.remote.client.RemoteDiskStorageClient.RemoteDiskStorageClientImpl
 import ch.epfl.bluebrain.nexus.delta.sdk.ConfigFixtures
 import ch.epfl.bluebrain.nexus.delta.sdk.auth.{AuthTokenProvider, Credentials}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientConfig}
 import ch.epfl.bluebrain.nexus.delta.sdk.model.BaseUri
 import ch.epfl.bluebrain.nexus.testkit.scalatest.BaseSpec
 import org.scalatest.BeforeAndAfterAll
diff --git a/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/StorageDeletionTaskSuite.scala b/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/StorageDeletionTaskSuite.scala
index d7c92827fc..e352e1d84a 100644
--- a/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/StorageDeletionTaskSuite.scala
+++ b/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/StorageDeletionTaskSuite.scala
@@ -8,9 +8,9 @@ import ch.epfl.bluebrain.nexus.delta.plugins.storage.files.model.FileStorageMeta
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.model.{DigestAlgorithm, StorageValue}
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.UploadingFile.DiskUploadingFile
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.disk.DiskFileOperations
-import ch.epfl.bluebrain.nexus.delta.sdk.actor.ActorSystemSetup
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.Identity.{Anonymous, Subject}
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.ProjectRef
+import ch.epfl.bluebrain.nexus.testkit.actor.ActorSystemSetup
 import ch.epfl.bluebrain.nexus.testkit.mu.NexusSuite
 import fs2.Stream
 import munit.AnyFixture
diff --git a/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/remote/client/RemoteStorageClientSpec.scala b/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/remote/client/RemoteStorageClientSpec.scala
index c76a9412ce..738120cd74 100644
--- a/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/remote/client/RemoteStorageClientSpec.scala
+++ b/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/remote/client/RemoteStorageClientSpec.scala
@@ -12,7 +12,7 @@ import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.model.DigestAlgori
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.AkkaSourceHelpers
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.StorageFileRejection.{FetchFileRejection, MoveFileRejection}
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.remote.client.model.RemoteDiskStorageFileAttributes
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpClientStatusError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.HttpClientStatusError
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.Label
 import ch.epfl.bluebrain.nexus.testkit.scalatest.ce.CatsEffectSpec
 import org.scalatest.concurrent.Eventually
diff --git a/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/s3/S3FileOperationsSuite.scala b/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/s3/S3FileOperationsSuite.scala
index aeb20ace00..7c56f74bac 100644
--- a/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/s3/S3FileOperationsSuite.scala
+++ b/delta/plugins/storage/src/test/scala/ch/epfl/bluebrain/nexus/delta/plugins/storage/storages/operations/s3/S3FileOperationsSuite.scala
@@ -16,8 +16,8 @@ import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.Uploadi
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.operations.s3.client.S3StorageClient
 import ch.epfl.bluebrain.nexus.delta.plugins.storage.storages.{StorageFixtures, UUIDFFixtures}
 import ch.epfl.bluebrain.nexus.delta.rdf.syntax.uriSyntax
-import ch.epfl.bluebrain.nexus.delta.sdk.actor.ActorSystemSetup
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.ProjectRef
+import ch.epfl.bluebrain.nexus.testkit.actor.ActorSystemSetup
 import ch.epfl.bluebrain.nexus.testkit.mu.NexusSuite
 import io.laserdisc.pure.s3.tagless.S3AsyncClientOp
 import munit.AnyFixture
diff --git a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/auth/OpenIdAuthService.scala b/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/auth/OpenIdAuthService.scala
index be6f206b0d..778e50e77c 100644
--- a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/auth/OpenIdAuthService.scala
+++ b/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/auth/OpenIdAuthService.scala
@@ -10,7 +10,7 @@ import ch.epfl.bluebrain.nexus.delta.kernel.Secret
 import ch.epfl.bluebrain.nexus.delta.kernel.jwt.{AuthToken, ParsedToken}
 import ch.epfl.bluebrain.nexus.delta.sdk.auth.Credentials.ClientCredentials
 import ch.epfl.bluebrain.nexus.delta.sdk.error.AuthTokenError.{AuthTokenHttpError, AuthTokenNotFoundInResponse, RealmIsDeprecated}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClient, HttpClientError}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientError}
 import ch.epfl.bluebrain.nexus.delta.sdk.realms.Realms
 import ch.epfl.bluebrain.nexus.delta.sdk.realms.model.Realm
 import ch.epfl.bluebrain.nexus.delta.sourcing.model.Label
diff --git a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/error/AuthTokenError.scala b/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/error/AuthTokenError.scala
index 6ef19a4c2e..a403b0b7e9 100644
--- a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/error/AuthTokenError.scala
+++ b/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/error/AuthTokenError.scala
@@ -4,7 +4,7 @@ import ch.epfl.bluebrain.nexus.delta.rdf.Vocabulary.contexts
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.ContextValue
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.context.JsonLdContext.keywords
 import ch.epfl.bluebrain.nexus.delta.rdf.jsonld.encoder.JsonLdEncoder
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError
 import ch.epfl.bluebrain.nexus.delta.sdk.realms.model.Realm
 import io.circe.syntax.{EncoderOps, KeyOps}
 import io.circe.{DecodingFailure, Encoder, JsonObject}
diff --git a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/identities/IdentitiesImpl.scala b/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/identities/IdentitiesImpl.scala
index 14db4988ff..f528050b42 100644
--- a/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/identities/IdentitiesImpl.scala
+++ b/delta/sdk/src/main/scala/ch/epfl/bluebrain/nexus/delta/sdk/identities/IdentitiesImpl.scala
@@ -11,8 +11,8 @@ import ch.epfl.bluebrain.nexus.delta.kernel.jwt.TokenRejection.{GetGroupsFromOid
 import ch.epfl.bluebrain.nexus.delta.kernel.jwt.{AuthToken, ParsedToken}
 import ch.epfl.bluebrain.nexus.delta.kernel.kamon.KamonMetricComponent
 import ch.epfl.bluebrain.nexus.delta.kernel.search.Pagination.FromPagination
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClient
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpClientStatusError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClient
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.HttpClientStatusError
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.IdentitiesImpl.{extractGroups, logger, GroupsCache, RealmCache}
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.Caller
 import ch.epfl.bluebrain.nexus.delta.sdk.model.ResourceF
diff --git a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/ConfigFixtures.scala b/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/ConfigFixtures.scala
index ad20186094..a45d7b5856 100644
--- a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/ConfigFixtures.scala
+++ b/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/ConfigFixtures.scala
@@ -5,7 +5,7 @@ import ch.epfl.bluebrain.nexus.delta.kernel.RetryStrategyConfig
 import ch.epfl.bluebrain.nexus.delta.kernel.cache.CacheConfig
 import ch.epfl.bluebrain.nexus.delta.sdk.acls.AclsConfig
 import ch.epfl.bluebrain.nexus.delta.sdk.fusion.FusionConfig
-import ch.epfl.bluebrain.nexus.delta.sdk.http.{HttpClientConfig, HttpClientWorthRetry}
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClientConfig, HttpClientWorthRetry}
 import ch.epfl.bluebrain.nexus.delta.sdk.model.search.PaginationConfig
 import ch.epfl.bluebrain.nexus.delta.sdk.projects.ProjectsConfig
 import ch.epfl.bluebrain.nexus.delta.sourcing.config.{EventLogConfig, QueryConfig}
diff --git a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/identities/IdentitiesImplSuite.scala b/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/identities/IdentitiesImplSuite.scala
index 045d1a3411..605b436281 100644
--- a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/identities/IdentitiesImplSuite.scala
+++ b/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/identities/IdentitiesImplSuite.scala
@@ -5,10 +5,10 @@ import akka.http.scaladsl.model.{HttpRequest, Uri}
 import cats.data.NonEmptySet
 import cats.effect.{IO, Ref}
 import ch.epfl.bluebrain.nexus.delta.kernel.cache.LocalCache
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.HttpUnexpectedError
 import ch.epfl.bluebrain.nexus.delta.kernel.jwt.TokenRejection._
 import ch.epfl.bluebrain.nexus.delta.kernel.jwt.{AuthToken, ParsedToken}
 import ch.epfl.bluebrain.nexus.delta.sdk.generators.{RealmGen, WellKnownGen}
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpUnexpectedError
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.IdentitiesImpl.{GroupsCache, RealmCache}
 import ch.epfl.bluebrain.nexus.delta.sdk.identities.model.Caller
 import ch.epfl.bluebrain.nexus.delta.sdk.realms.model.Realm
diff --git a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/realms/WellKnownResolverSuite.scala b/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/realms/WellKnownResolverSuite.scala
index 79a31f3799..bad494e8cd 100644
--- a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/realms/WellKnownResolverSuite.scala
+++ b/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/realms/WellKnownResolverSuite.scala
@@ -2,7 +2,7 @@ package ch.epfl.bluebrain.nexus.delta.sdk.realms
 
 import akka.http.scaladsl.model.{HttpRequest, Uri}
 import cats.effect.IO
-import ch.epfl.bluebrain.nexus.delta.sdk.http.HttpClientError.HttpUnexpectedError
+import ch.epfl.bluebrain.nexus.delta.kernel.http.HttpClientError.HttpUnexpectedError
 import ch.epfl.bluebrain.nexus.delta.sdk.realms.model.GrantType
 import ch.epfl.bluebrain.nexus.delta.sdk.realms.model.GrantType._
 import ch.epfl.bluebrain.nexus.delta.sdk.realms.model.RealmRejection.{IllegalEndpointFormat, IllegalIssuerFormat, IllegalJwkFormat, IllegalJwksUriFormat, NoValidKeysFound, UnsuccessfulJwksResponse, UnsuccessfulOpenIdConfigResponse}
diff --git a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/actor/ActorSystemSetup.scala b/delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/actor/ActorSystemSetup.scala
similarity index 89%
rename from delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/actor/ActorSystemSetup.scala
rename to delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/actor/ActorSystemSetup.scala
index bc091e0585..4d8d0c9d70 100644
--- a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/actor/ActorSystemSetup.scala
+++ b/delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/actor/ActorSystemSetup.scala
@@ -1,4 +1,4 @@
-package ch.epfl.bluebrain.nexus.delta.sdk.actor
+package ch.epfl.bluebrain.nexus.testkit.actor
 
 import akka.actor.ActorSystem
 import cats.effect.{IO, Resource}
diff --git a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientSetup.scala b/delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/http/HttpClientSetup.scala
similarity index 69%
rename from delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientSetup.scala
rename to delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/http/HttpClientSetup.scala
index 7adb68b4de..4a74071523 100644
--- a/delta/sdk/src/test/scala/ch/epfl/bluebrain/nexus/delta/sdk/http/HttpClientSetup.scala
+++ b/delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/http/HttpClientSetup.scala
@@ -1,9 +1,10 @@
-package ch.epfl.bluebrain.nexus.delta.sdk.http
+package ch.epfl.bluebrain.nexus.testkit.http
 
 import akka.actor.ActorSystem
 import cats.effect.{IO, Resource}
 import ch.epfl.bluebrain.nexus.delta.kernel.RetryStrategyConfig
-import ch.epfl.bluebrain.nexus.delta.sdk.actor.ActorSystemSetup
+import ch.epfl.bluebrain.nexus.delta.kernel.http.{HttpClient, HttpClientConfig, HttpClientWorthRetry}
+import ch.epfl.bluebrain.nexus.testkit.actor.ActorSystemSetup
 
 object HttpClientSetup {