diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 99e17a0a1364..f7f371a91ed9 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -2939,8 +2939,6 @@ sub run_bisect_test {
 
     my $failed = 0;
     my $result;
-    my $output;
-    my $ret;
 
     $in_bisect = 1;