diff --git a/aider/sendchat.py b/aider/sendchat.py
index 8c63ff830..4e3c8d66f 100644
--- a/aider/sendchat.py
+++ b/aider/sendchat.py
@@ -2,7 +2,6 @@ import hashlib
 import json
 import time
 
-import backoff
 
 from aider.dump import dump  # noqa: F401
 from aider.exceptions import LiteLLMExceptions