diff --git a/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/AnnQuery.java b/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/AnnQuery.java
index 5514d50e..ad1bc3ce 100644
--- a/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/AnnQuery.java
+++ b/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/AnnQuery.java
@@ -37,4 +37,9 @@ public class AnnQuery {
      */
     private Map<String, String> metaData;
 
+    /**
+     * Default constructor
+     */
+    protected AnnQuery() {}
+
 }
diff --git a/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/ClusteredMetadataVectorRecord.java b/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/ClusteredMetadataVectorRecord.java
index d917d1fd..b86320c1 100644
--- a/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/ClusteredMetadataVectorRecord.java
+++ b/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/ClusteredMetadataVectorRecord.java
@@ -9,9 +9,11 @@
 import java.util.Map;
 import java.util.UUID;
 
+/**
+ * Partitioned table with cluster and vector.
+ */
 @Data
 @AllArgsConstructor
-@NoArgsConstructor
 public class ClusteredMetadataVectorRecord {
 
     /** Partition id. */
@@ -37,5 +39,10 @@ public class ClusteredMetadataVectorRecord {
      * Embeddings
      */
     List<Float> vector;
+
+    /**
+     * Default Constructor.
+     */
+    public ClusteredMetadataVectorRecord() {}
     
 }
\ No newline at end of file
diff --git a/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/ClusteredRecord.java b/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/ClusteredRecord.java
index 4020c33e..852e7326 100644
--- a/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/ClusteredRecord.java
+++ b/astra-db-client/src/main/java/com/dtsx/astra/sdk/cassio/ClusteredRecord.java
@@ -6,9 +6,11 @@
 
 import java.util.UUID;
 
+/**
+ * Default Constructor.
+ */
 @Data
 @AllArgsConstructor
-@NoArgsConstructor
 public class ClusteredRecord {
 
     /** Partition id. */
@@ -20,4 +22,9 @@ public class ClusteredRecord {
     /** Text body. */
     String body;
 
+    /**
+     * Record for a clustered table.
+     */
+    public ClusteredRecord() {}
+
 }
\ No newline at end of file