diff --git a/git-bisect.sh b/git-bisect.sh
index 6a7afaea8d..b59f3aaad4 100755
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -34,8 +34,6 @@ Please use "git help bisect" to get the full man page.'
 OPTIONS_SPEC=
 . git-sh-setup
 
-_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
 TERM_BAD=bad
 TERM_GOOD=good