diff --git a/validator/remote/src/test/java/tech/pegasys/teku/validator/remote/RemoteValidatorApiHandlerTest.java b/validator/remote/src/test/java/tech/pegasys/teku/validator/remote/RemoteValidatorApiHandlerTest.java
index cd0f3f13d8c..5fbb4d38807 100644
--- a/validator/remote/src/test/java/tech/pegasys/teku/validator/remote/RemoteValidatorApiHandlerTest.java
+++ b/validator/remote/src/test/java/tech/pegasys/teku/validator/remote/RemoteValidatorApiHandlerTest.java
@@ -447,7 +447,8 @@ public void createUnsignedBlock_WhenFound_ReturnsBlockContents() {
     SafeFuture<Optional<BlockContainer>> future =
         apiHandler.createUnsignedBlock(UInt64.ONE, blsSignature, graffiti, false);
 
-    assertThatSszData(unwrapToValue(future)).isEqualByAllMeansTo(blockContents);
+    // using isEqualByAllMeansTo is extremely slow for a block with blob sidecars
+    assertThatSszData(unwrapToValue(future)).isEqualBySszTo(blockContents);
   }
 
   @Test