diff --git a/aider/utils.py b/aider/utils.py
index b8b1e7b15..eb99d6e3b 100644
--- a/aider/utils.py
+++ b/aider/utils.py
@@ -286,10 +286,10 @@ class Spinner:
 
         # If unicode is supported, swap the ASCII chars for nicer glyphs.
         if self._supports_unicode():
-            scan_char, tail_char, trail_char = "≡", "=", "─"
+            scan_char, _, trail_char = "≡", "=", "─"
             frames = [f.replace("#", scan_char).replace("-", trail_char) for f in ascii_frames]
         else:
-            scan_char, tail_char, trail_char = "#", "=", "-"
+            scan_char, _, _ = "#", "=", "-"
             frames = ascii_frames
 
         # Bounce the scanner back and forth.