diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 045090085ac5..e84464d80e18 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -2946,8 +2946,6 @@ sub run_bisect_test {
 
     my $failed = 0;
     my $result;
-    my $output;
-    my $ret;
 
     $in_bisect = 1;