--- libmalloc/libmalloc-374.40.6/tests/malloc_claimed_address_tests.c
+++ libmalloc/libmalloc-166.251.2/tests/malloc_claimed_address_tests.c
@@ -10,11 +10,10 @@
 #include <stdio.h>
 #include <mach/mach.h>
 #include <mach/mach_vm.h>
+#include <malloc.h>
 #include <malloc/malloc.h>
 #include <malloc_private.h>
 #include <sys/mman.h>
-
-T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
 
 T_DECL(malloc_claimed_address_default_zone_test,
 		"Tests for malloc_claimed_address, default zone only",
@@ -199,16 +198,6 @@
 		free(ptr);
 	}
 
-	// Allocate a non-Nano size, which Nano will pass to its helper zone.
-	// Verify that it still claims the address as valid when asked via the
-	// default zone.
-	void *ptr = malloc(512);
-	result = malloc_claimed_address(ptr);
-	T_EXPECT_TRUE(result, "Above nano pointer check");
-	result = malloc_zone_claimed_address(malloc_default_zone(), ptr);
-	T_EXPECT_TRUE(result, "Above nano pointer check via default zone");
-	free(ptr);
-
 	// Allocate some memory with vm_allocate() and make sure it's not claimed.
 	mach_vm_address_t addr;
 	kern_return_t kr = mach_vm_allocate(mach_task_self(), &addr, 1024, VM_FLAGS_ANYWHERE);