diff --git a/sdk/js/src/main/scala/org/ergoplatform/sdk/js/ErgoTree.scala b/sdk/js/src/main/scala/org/ergoplatform/sdk/js/ErgoTree.scala
index 810cc1ea81..fb80aeefcb 100644
--- a/sdk/js/src/main/scala/org/ergoplatform/sdk/js/ErgoTree.scala
+++ b/sdk/js/src/main/scala/org/ergoplatform/sdk/js/ErgoTree.scala
@@ -1,9 +1,6 @@
 package org.ergoplatform.sdk.js
 
-import scorex.util.encode.Base16
 import sigmastate.Values
-import sigmastate.serialization.ErgoTreeSerializer
-
 import scala.scalajs.js
 import scala.scalajs.js.JSConverters.JSRichIterableOnce
 import scala.scalajs.js.annotation.JSExportTopLevel
diff --git a/sdk/js/src/main/scala/org/ergoplatform/sdk/js/Isos.scala b/sdk/js/src/main/scala/org/ergoplatform/sdk/js/Isos.scala
index cdcbd0d31f..9c1a57a919 100644
--- a/sdk/js/src/main/scala/org/ergoplatform/sdk/js/Isos.scala
+++ b/sdk/js/src/main/scala/org/ergoplatform/sdk/js/Isos.scala
@@ -2,7 +2,7 @@ package org.ergoplatform.sdk.js
 
 import org.ergoplatform.ErgoBox._
 import org.ergoplatform.sdk.JavaHelpers.UniversalConverter
-import org.ergoplatform.sdk.wallet.protocol.context.{CErgoLikeStateContext, ErgoLikeStateContext}
+import org.ergoplatform.sdk.wallet.protocol.context
 import org.ergoplatform.sdk.{ExtendedInputBox, Iso}
 import org.ergoplatform._
 import scalan.RType