diff --git a/aider/io.py b/aider/io.py
index a4230e6ca..24108b77b 100644
--- a/aider/io.py
+++ b/aider/io.py
@@ -83,7 +83,6 @@ class AutoCompleter(Completer):
             try:
                 lexer = guess_lexer_for_filename(fname, content)
             except Exception as ex:  # On Windows, bad ref to time.clock which is deprecated
-                self.tool_error(f"Error lexing {fname}: {ex}")
                 continue
 
             tokens = list(lexer.get_tokens(content))