diff --git a/src/openstack_mcp_server/__init__.py b/src/openstack_mcp_server/__init__.py
index b143047..c89a11d 100644
--- a/src/openstack_mcp_server/__init__.py
+++ b/src/openstack_mcp_server/__init__.py
@@ -35,7 +35,7 @@ def main():
         signal.signal(signal.SIGTERM, handle_interrupt)
 
         # Validate transport protocol
-        if MCP_TRANSPORT not in ["stdio", "sse", "streamable-http"]:
+        if MCP_TRANSPORT not in ["stdio", "streamable-http"]:
             logger.error(
                 f"Invalid transport protocol: {MCP_TRANSPORT}. Using stdio instead.",
             )
diff --git a/src/openstack_mcp_server/server.py b/src/openstack_mcp_server/server.py
index 0b28827..f71e788 100644
--- a/src/openstack_mcp_server/server.py
+++ b/src/openstack_mcp_server/server.py
@@ -23,7 +23,5 @@ def serve(transport: str, **kwargs):
         mcp.run(transport="stdio", **kwargs)
     elif transport == "streamable-http":
         mcp.run(transport="streamable-http", **kwargs)
-    elif transport == "sse":
-        mcp.run(transport="sse", **kwargs)
     else:
         raise ValueError(f"Unsupported transport: {transport}")