diff --git a/.gitignore b/.gitignore
index 7c54903..bddab12 100644
--- a/.gitignore
+++ b/.gitignore
@@ -134,3 +134,4 @@ regressions/ck_brlock/benchmark/throughput
 regressions/ck_rwlock/benchmark/throughput
 regressions/ck_queue/validate/ck_list
 regressions/ck_queue/validate/ck_slist
+regressions/ck_cohort/validate/validate
diff --git a/regressions/ck_cohort/validate/validate b/regressions/ck_cohort/validate/validate
deleted file mode 100755
index 221acb6..0000000
Binary files a/regressions/ck_cohort/validate/validate and /dev/null differ