diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5f0ac89..f95ad72b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [3.0.1] 2024-06-21
+## [3.0.2] 2025-01-29
+### Reverted
+- Reverted the change in 3.0.1, this change would have adverse effects on too many existing schemas.
+
+## ~~[3.0.1] 2024-06-21~~
 ### Bugfix
 - Added validation if schemaKey has changed in stream update.
 
diff --git a/core/src/main/java/com/expediagroup/streamplatform/streamregistry/core/services/StreamService.java b/core/src/main/java/com/expediagroup/streamplatform/streamregistry/core/services/StreamService.java
index 07a4e3cf..e94d9c70 100644
--- a/core/src/main/java/com/expediagroup/streamplatform/streamregistry/core/services/StreamService.java
+++ b/core/src/main/java/com/expediagroup/streamplatform/streamregistry/core/services/StreamService.java
@@ -82,7 +82,7 @@ public Optional<Stream> update(Stream stream) throws ValidationException {
     if (existing.isEmpty()) {
       throw new ValidationException("Can't update " + stream.getKey() + " because it doesn't exist");
     }
-    validateSchemaKey(stream, existing.get());
+    stream.setSchemaKey(existing.get().getSchemaKey());
     streamValidator.validateForUpdate(stream, existing.get());
     stream.setSpecification(handlerService.handleUpdate(stream, existing.get()));
     return saveSpecification(stream);
@@ -176,13 +176,4 @@ private java.util.stream.Stream<Process> allProcessesForStream(Stream stream) {
         process.getOutputs().stream().anyMatch(output -> output.getStream().equals(stream.getKey()))
     );
   }
-
-  private void validateSchemaKey(Stream stream, Stream existing) {
-    if (stream.getSchemaKey() == null) {
-      stream.setSchemaKey(existing.getSchemaKey());
-    } else if (!existing.getSchemaKey().equals(stream.getSchemaKey())) {
-      throw new ValidationException("Stream = " + stream.getKey() + " update failed, because existing schemaKey = " +
-        existing.getSchemaKey() + " is not matching with given schemaKey = " + stream.getSchemaKey());
-    }
-  }
 }
diff --git a/core/src/test/java/com/expediagroup/streamplatform/streamregistry/core/services/StreamServiceTest.java b/core/src/test/java/com/expediagroup/streamplatform/streamregistry/core/services/StreamServiceTest.java
index 2e7fdd89..041358f0 100644
--- a/core/src/test/java/com/expediagroup/streamplatform/streamregistry/core/services/StreamServiceTest.java
+++ b/core/src/test/java/com/expediagroup/streamplatform/streamregistry/core/services/StreamServiceTest.java
@@ -18,9 +18,6 @@
 import static java.util.Arrays.asList;
 import static java.util.Collections.emptyList;
 import static java.util.Optional.empty;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertThrows;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.inOrder;
@@ -43,7 +40,6 @@
 
 import com.expediagroup.streamplatform.streamregistry.core.handlers.HandlerService;
 import com.expediagroup.streamplatform.streamregistry.core.validators.StreamValidator;
-import com.expediagroup.streamplatform.streamregistry.core.validators.ValidationException;
 import com.expediagroup.streamplatform.streamregistry.core.views.ConsumerView;
 import com.expediagroup.streamplatform.streamregistry.core.views.ProcessView;
 import com.expediagroup.streamplatform.streamregistry.core.views.ProducerView;
@@ -186,44 +182,6 @@ public void update() {
     verify(streamRepository).saveSpecification(entity);
   }
 
-  @Test
-  public void updateWithChangedSchemaKey() {
-    StreamKey key = new StreamKey();
-    key.setDomain("domain");
-    key.setName("stream");
-    key.setVersion(1);
-    SchemaKey existingSchema = new SchemaKey("domain", "existing");
-    SchemaKey updatedSchema = new SchemaKey("domain", "updated");
-    Stream existingEntity = new Stream(key, new Specification(), existingSchema);
-    Stream updatedEntity = new Stream(key, new Specification(), updatedSchema);
-    when(streamRepository.findById(key)).thenReturn(Optional.of(existingEntity));
-    ValidationException ex = assertThrows(ValidationException.class, () -> streamService.update(updatedEntity));
-    assertEquals("Stream = " + key + " update failed, because existing schemaKey = " + existingSchema +
-      " is not matching with given schemaKey = " + updatedSchema, ex.getMessage());
-    verify(streamRepository).findById(key);
-  }
-
-  @Test
-  public void updateWithSchemaKeyNull() {
-    StreamKey key = new StreamKey();
-    key.setDomain("domain");
-    key.setName("stream");
-    key.setVersion(1);
-    SchemaKey schemaKey = new SchemaKey("domain", "stream_v1");
-    Stream existingEntity = new Stream(key, new Specification(), schemaKey);
-    Stream updatedEntity = new Stream(key, new Specification(), null);
-    when(streamRepository.findById(key)).thenReturn(Optional.of(existingEntity));
-    streamService.update(updatedEntity);
-    // should update the schemaKey if null in update
-    assertNotNull(updatedEntity.getSchemaKey());
-    assertEquals(updatedEntity.getSchemaKey(), schemaKey);
-
-    verify(streamRepository).findById(key);
-    verify(streamValidator).validateForUpdate(updatedEntity, existingEntity);
-    verify(handlerService).handleUpdate(updatedEntity, existingEntity);
-    verify(streamRepository).saveSpecification(updatedEntity);
-  }
-
   @Test
   public void updateStatus() {
     final Status status = mock(Status.class);
diff --git a/it/src/test/java/com/expediagroup/streamplatform/streamregistry/it/StreamTestStage.java b/it/src/test/java/com/expediagroup/streamplatform/streamregistry/it/StreamTestStage.java
index 066200b4..087a23ed 100644
--- a/it/src/test/java/com/expediagroup/streamplatform/streamregistry/it/StreamTestStage.java
+++ b/it/src/test/java/com/expediagroup/streamplatform/streamregistry/it/StreamTestStage.java
@@ -1,5 +1,5 @@
 /**
- * Copyright (C) 2018-2024 Expedia, Inc.
+ * Copyright (C) 2018-2021 Expedia, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -70,16 +70,15 @@ public void update() {
 
   @Override
   public void upsert() {
-    /**
-     * Not throw exception, because we are over-riding schemaKey if schemaKey is null
-     */
-    client.getOptionalData(factory.upsertStreamMutationBuilder()
-      .schema(null)
-      .build()).get();
-
-    /**
-     * This should throw exception if schemaKey is matches with the existing schemaKey.
-     */
+
+    try {
+      client.getOptionalData(factory.upsertStreamMutationBuilder()
+          .schema(null)
+          .build()).get();
+    } catch (RuntimeException ex) {
+      assertEquals("Schema does not exist", ex.getMessage());
+    }
+
     try {
       SchemaKeyInput nonExisting = SchemaKeyInput.builder()
           .domain(factory.domainName)
@@ -88,8 +87,8 @@ public void upsert() {
       client.getOptionalData(factory.upsertStreamMutationBuilder()
           .schema(nonExisting)
           .build()).get();
-    } catch(RuntimeException ex ) {
-      assertTrue(ex.getMessage().contains("update failed, because existing schemaKey"));
+    } catch (RuntimeException ex) {
+      assertEquals("Schema does not exist", ex.getMessage());
     }
 
     Object data = client.getOptionalData(factory.upsertStreamMutationBuilder().build()).get();