diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index e303e7feb..51fbc6fbc 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -29,10 +29,7 @@ from aider.linter import Linter
 from aider.llm import litellm
 from aider.models import RETRY_TIMEOUT
 from aider.reasoning_tags import (
-    REASONING_END,
-    REASONING_START,
     REASONING_TAG,
-    detect_reasoning_tag,
     format_reasoning_content,
     replace_reasoning_tags,
 )