diff --git a/sys/fs/fuse/fuse_ipc.c b/sys/fs/fuse/fuse_ipc.c
index 9f6b1c0bb9b..4e97ad23ec4 100644
--- a/sys/fs/fuse/fuse_ipc.c
+++ b/sys/fs/fuse/fuse_ipc.c
@@ -220,7 +220,9 @@ fticket_ctor(void *mem, int size, void *arg, int flags)
 static void
 fticket_dtor(void *mem, int size, void *arg)
 {
+#ifdef INVARIANTS
 	struct fuse_ticket *ftick = mem;
+#endif
 
 	FUSE_ASSERT_MS_DONE(ftick);
 	FUSE_ASSERT_AW_DONE(ftick);