diff --git a/headroom/ccr/mcp_server.py b/headroom/ccr/mcp_server.py
index 09c049d5c..fe21d0074 100644
--- a/headroom/ccr/mcp_server.py
+++ b/headroom/ccr/mcp_server.py
@@ -53,7 +53,7 @@ try:
     HTTPX_AVAILABLE = True
 except ImportError:
     HTTPX_AVAILABLE = False
-    httpx = None
+    httpx = None  # type: ignore[assignment]
 
 from .tool_injection import CCR_TOOL_NAME
 
diff --git a/headroom/integrations/langchain.py b/headroom/integrations/langchain.py
index 6ad0ea5c4..38afb9af3 100644
--- a/headroom/integrations/langchain.py
+++ b/headroom/integrations/langchain.py
@@ -55,8 +55,8 @@ except ImportError:
     LANGCHAIN_AVAILABLE = False
     BaseChatModel = object
     BaseCallbackHandler = object
-    Field = lambda **kwargs: None  # noqa: E731
-    PrivateAttr = lambda **kwargs: None  # noqa: E731
+    Field = lambda **kwargs: None  # type: ignore[assignment]  # noqa: E731
+    PrivateAttr = lambda **kwargs: None  # type: ignore[assignment]  # noqa: E731
 
 from headroom import HeadroomConfig, HeadroomMode
 from headroom.providers import OpenAIProvider