diff --git a/server/services/assistant_chat_session.py b/server/services/assistant_chat_session.py
index bf83092..bd4c9ca 100755
--- a/server/services/assistant_chat_session.py
+++ b/server/services/assistant_chat_session.py
@@ -25,7 +25,7 @@ from .assistant_database import (
     create_conversation,
     get_messages,
 )
-from .chat_constants import API_ENV_VARS, ROOT_DIR
+from .chat_constants import ROOT_DIR
 
 # Load environment variables from .env file if present
 load_dotenv()
diff --git a/server/services/expand_chat_session.py b/server/services/expand_chat_session.py
index cdd52ec..9a1839a 100644
--- a/server/services/expand_chat_session.py
+++ b/server/services/expand_chat_session.py
@@ -22,7 +22,7 @@ from claude_agent_sdk import ClaudeAgentOptions, ClaudeSDKClient
 from dotenv import load_dotenv
 
 from ..schemas import ImageAttachment
-from .chat_constants import API_ENV_VARS, ROOT_DIR, make_multimodal_message
+from .chat_constants import ROOT_DIR, make_multimodal_message
 
 # Load environment variables from .env file if present
 load_dotenv()
diff --git a/server/services/spec_chat_session.py b/server/services/spec_chat_session.py
index 1882ef5..a0639e3 100644
--- a/server/services/spec_chat_session.py
+++ b/server/services/spec_chat_session.py
@@ -19,7 +19,7 @@ from claude_agent_sdk import ClaudeAgentOptions, ClaudeSDKClient
 from dotenv import load_dotenv
 
 from ..schemas import ImageAttachment
-from .chat_constants import API_ENV_VARS, ROOT_DIR, make_multimodal_message
+from .chat_constants import ROOT_DIR, make_multimodal_message
 
 # Load environment variables from .env file if present
 load_dotenv()