diff --git a/ceph-common-do-not-unlock-rwlock-on-destruction.patch b/ceph-common-do-not-unlock-rwlock-on-destruction.patch
index e7191d4..b6ba221 100644
--- a/ceph-common-do-not-unlock-rwlock-on-destruction.patch
+++ b/ceph-common-do-not-unlock-rwlock-on-destruction.patch
@@ -18,7 +18,7 @@ index f901ac0..4699b66 100644
 -    pthread_rwlock_unlock(&L);
 +    // The following check is racy but we are about to destroy
 +    // the object and we assume that there are no other users.
-+    assert(!is_locked());
++    //assert(!is_locked()); -- hacky backport, no is_locked in firefly
      pthread_rwlock_destroy(&L);
    }