--- libmalloc/libmalloc-646.0.13/tests/magazine_malloc.c
+++ libmalloc/libmalloc-283.60.1/tests/magazine_malloc.c
@@ -8,10 +8,9 @@
 #include <stdlib.h>
 #include <malloc/malloc.h>
 
-T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true), T_META_TAG_VM_PREFERRED);
+T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
 
-T_DECL(malloc_zone_batch, "malloc_zone_batch_malloc and malloc_zone_batch_free",
-		T_META_ENVVAR("MallocProbGuard=0"))
+T_DECL(malloc_zone_batch, "malloc_zone_batch_malloc and malloc_zone_batch_free")
 {
 	const unsigned count = 10;
 	void **results;