diff --git a/multimind/vector_store/bageldb.py b/multimind/vector_store/bageldb.py
index f1bc20e3..ace0f782 100644
--- a/multimind/vector_store/bageldb.py
+++ b/multimind/vector_store/bageldb.py
@@ -126,18 +126,3 @@ async def _with_retries(self, func, *args, **kwargs):
                 self.logger.error(f"Error: {e}, attempt {attempt + 1}/{retries}")
                 if attempt == retries - 1:
                     raise
-
-    def add(self, *args, **kwargs):
-        raise NotImplementedError(
-            "BagelDBBackend.add is a placeholder. Integrate with BagelDB SDK."
-        )
-
-    def search(self, *args, **kwargs):
-        raise NotImplementedError(
-            "BagelDBBackend.search is a placeholder. Integrate with BagelDB SDK."
-        )
-
-    def delete(self, *args, **kwargs):
-        raise NotImplementedError(
-            "BagelDBBackend.delete is a placeholder. Integrate with BagelDB SDK."
-        )
diff --git a/multimind/vector_store/clarifai.py b/multimind/vector_store/clarifai.py
index f292fcbe..128bd85e 100644
--- a/multimind/vector_store/clarifai.py
+++ b/multimind/vector_store/clarifai.py
@@ -125,18 +125,3 @@ async def _with_retries(self, func, *args, **kwargs):
                 self.logger.error(f"Error: {e}, attempt {attempt + 1}/{retries}")
                 if attempt == retries - 1:
                     raise
-
-    def add(self, *args, **kwargs):
-        raise NotImplementedError(
-            "ClarifaiBackend.add is a placeholder. Integrate with Clarifai SDK."
-        )
-
-    def search(self, *args, **kwargs):
-        raise NotImplementedError(
-            "ClarifaiBackend.search is a placeholder. Integrate with Clarifai SDK."
-        )
-
-    def delete(self, *args, **kwargs):
-        raise NotImplementedError(
-            "ClarifaiBackend.delete is a placeholder. Integrate with Clarifai SDK."
-        )
diff --git a/multimind/vector_store/dashvector.py b/multimind/vector_store/dashvector.py
index f07b9cb5..1b4f72a6 100644
--- a/multimind/vector_store/dashvector.py
+++ b/multimind/vector_store/dashvector.py
@@ -123,24 +123,3 @@ async def _with_retries(self, func, *args, **kwargs):
                 self.logger.error(f"Error: {e}, attempt {attempt + 1}/{retries}")
                 if attempt == retries - 1:
                     raise
-
-    def add(self, vector, metadata=None):
-        raise NotImplementedError(
-            "DashVectorBackend.add is not implemented: the DashVector backend is a "
-            "stub. Use an implemented backend such as FAISS, Chroma, Qdrant, "
-            "Pinecone, Milvus, or Weaviate."
-        )
-
-    def search(self, query_vector, top_k=3):
-        raise NotImplementedError(
-            "DashVectorBackend.search is not implemented: the DashVector backend is a "
-            "stub. Use an implemented backend such as FAISS, Chroma, Qdrant, "
-            "Pinecone, Milvus, or Weaviate."
-        )
-
-    def delete(self, index):
-        raise NotImplementedError(
-            "DashVectorBackend.delete is not implemented: the DashVector backend is a "
-            "stub. Use an implemented backend such as FAISS, Chroma, Qdrant, "
-            "Pinecone, Milvus, or Weaviate."
-        )
diff --git a/multimind/vector_store/databricks_vector_search.py b/multimind/vector_store/databricks_vector_search.py
index 74c02326..27628a58 100644
--- a/multimind/vector_store/databricks_vector_search.py
+++ b/multimind/vector_store/databricks_vector_search.py
@@ -126,18 +126,3 @@ async def _with_retries(self, func, *args, **kwargs):
                 self.logger.error(f"Error: {e}, attempt {attempt + 1}/{retries}")
                 if attempt == retries - 1:
                     raise
-
-    def add(self, *args, **kwargs):
-        raise NotImplementedError(
-            "DatabricksVectorSearchBackend.add is a placeholder. Integrate with Databricks Vector Search SDK."
-        )
-
-    def search(self, *args, **kwargs):
-        raise NotImplementedError(
-            "DatabricksVectorSearchBackend.search is a placeholder. Integrate with Databricks Vector Search SDK."
-        )
-
-    def delete(self, *args, **kwargs):
-        raise NotImplementedError(
-            "DatabricksVectorSearchBackend.delete is a placeholder. Integrate with Databricks Vector Search SDK."
-        )
diff --git a/multimind/vector_store/dingo.py b/multimind/vector_store/dingo.py
index 12256d48..9d5769e1 100644
--- a/multimind/vector_store/dingo.py
+++ b/multimind/vector_store/dingo.py
@@ -123,24 +123,3 @@ async def _with_retries(self, func, *args, **kwargs):
                 self.logger.error(f"Error: {e}, attempt {attempt + 1}/{retries}")
                 if attempt == retries - 1:
                     raise
-
-    def add(self, vector, metadata=None):
-        raise NotImplementedError(
-            "DingoDBBackend.add is not implemented: the DingoDB backend is a stub. "
-            "Use an implemented backend such as FAISS, Chroma, Qdrant, Pinecone, "
-            "Milvus, or Weaviate."
-        )
-
-    def search(self, query_vector, top_k=3):
-        raise NotImplementedError(
-            "DingoDBBackend.search is not implemented: the DingoDB backend is a stub. "
-            "Use an implemented backend such as FAISS, Chroma, Qdrant, Pinecone, "
-            "Milvus, or Weaviate."
-        )
-
-    def delete(self, index):
-        raise NotImplementedError(
-            "DingoDBBackend.delete is not implemented: the DingoDB backend is a stub. "
-            "Use an implemented backend such as FAISS, Chroma, Qdrant, Pinecone, "
-            "Milvus, or Weaviate."
-        )
diff --git a/multimind/vector_store/epsilla.py b/multimind/vector_store/epsilla.py
index 64ae2a96..0b8cb3b8 100644
--- a/multimind/vector_store/epsilla.py
+++ b/multimind/vector_store/epsilla.py
@@ -123,20 +123,3 @@ async def _with_retries(self, func, *args, **kwargs):
                 self.logger.error(f"Error: {e}, attempt {attempt + 1}/{retries}")
                 if attempt == retries - 1:
                     raise
-
-    def add(self, vector, metadata=None):
-        raise NotImplementedError(
-            "EpsillaBackend.add is not implemented: the Epsilla backend is a stub. "
-            "Use an implemented backend such as FAISS, Chroma, Qdrant, Pinecone, "
-            "Milvus, or Weaviate."
-        )
-
-    def search(self, *args, **kwargs):
-        raise NotImplementedError(
-            "EpsillaBackend.search is a placeholder. Integrate with Epsilla SDK."
-        )
-
-    def delete(self, *args, **kwargs):
-        raise NotImplementedError(
-            "EpsillaBackend.delete is a placeholder. Integrate with Epsilla SDK."
-        )