diff --git a/03-monolith/tf-03.py b/03-monolith/tf-03.py
index 3c74362..273449e 100755
--- a/03-monolith/tf-03.py
+++ b/03-monolith/tf-03.py
@@ -30,7 +30,6 @@ for line in open(sys.argv[1]):
                         if word == pair[0]:
                             pair[1] += 1
                             found = True
-                            found_at = pair_index
                             break
                         pair_index += 1
                     if not found: