diff --git a/unittest.sh b/unittest.sh
index c6d13876f..b7f1a02bd 100755
--- a/unittest.sh
+++ b/unittest.sh
@@ -8,7 +8,8 @@ set -xe
 $valgrind test/lib/blob/blob_ut/blob_ut
 
 $valgrind test/lib/blobfs/blobfs_ut/blobfs_ut
-$valgrind test/lib/blobfs/cache_ut/cache_ut
+# cache_ut hangs when run under valgrind, so don't use $valgrind
+test/lib/blobfs/cache_ut/cache_ut
 
 $valgrind test/lib/nvme/unit/nvme_c/nvme_ut
 $valgrind test/lib/nvme/unit/nvme_ctrlr_c/nvme_ctrlr_ut