diff --git a/api/core/mcp/auth/auth_provider.py b/api/core/mcp/auth/auth_provider.py
index 00d5a2595..bad99fc09 100644
--- a/api/core/mcp/auth/auth_provider.py
+++ b/api/core/mcp/auth/auth_provider.py
@@ -10,8 +10,6 @@ from core.mcp.types import (
 from models.tools import MCPToolProvider
 from services.tools.mcp_tools_manage_service import MCPToolManageService
 
-LATEST_PROTOCOL_VERSION = "1.0"
-
 
 class OAuthClientProvider:
     mcp_provider: MCPToolProvider
diff --git a/api/core/mcp/client/sse_client.py b/api/core/mcp/client/sse_client.py
index c6fe768a6..cc38954ec 100644
--- a/api/core/mcp/client/sse_client.py
+++ b/api/core/mcp/client/sse_client.py
@@ -38,11 +38,6 @@ WriteQueue: TypeAlias = queue.Queue[SessionMessage | Exception | None]
 StatusQueue: TypeAlias = queue.Queue[_StatusReady | _StatusError]
 
 
-def remove_request_params(url: str) -> str:
-    """Remove request parameters from URL, keeping only the path."""
-    return urljoin(url, urlparse(url).path)
-
-
 class SSETransport:
     """SSE client transport implementation."""
 
diff --git a/api/core/tools/entities/agent_entities.py b/api/core/tools/entities/agent_entities.py
deleted file mode 100644
index e69de29bb..000000000
diff --git a/api/core/tools/entities/file_entities.py b/api/core/tools/entities/file_entities.py
deleted file mode 100644
index 8b1378917..000000000
--- a/api/core/tools/entities/file_entities.py
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/api/tests/unit_tests/core/mcp/client/test_sse.py b/api/tests/unit_tests/core/mcp/client/test_sse.py
index 8122cd08e..880a0d494 100644
--- a/api/tests/unit_tests/core/mcp/client/test_sse.py
+++ b/api/tests/unit_tests/core/mcp/client/test_sse.py
@@ -262,26 +262,6 @@ def test_sse_client_queue_cleanup():
             # Note: In real implementation, cleanup should put None to signal shutdown
 
 
-def test_sse_client_url_processing():
-    """Test SSE client URL processing functions."""
-    from core.mcp.client.sse_client import remove_request_params
-
-    # Test URL with parameters
-    url_with_params = "http://example.com/sse?param1=value1&param2=value2"
-    cleaned_url = remove_request_params(url_with_params)
-    assert cleaned_url == "http://example.com/sse"
-
-    # Test URL without parameters
-    url_without_params = "http://example.com/sse"
-    cleaned_url = remove_request_params(url_without_params)
-    assert cleaned_url == "http://example.com/sse"
-
-    # Test URL with path and parameters
-    complex_url = "http://example.com/path/to/sse?session=123&token=abc"
-    cleaned_url = remove_request_params(complex_url)
-    assert cleaned_url == "http://example.com/path/to/sse"
-
-
 def test_sse_client_headers_propagation():
     """Test that custom headers are properly propagated in SSE client."""
     test_url = "http://test.example/sse"