--- libmalloc/libmalloc-283/tests/nano_tests.c
+++ libmalloc/libmalloc-166.251.2/tests/nano_tests.c
@@ -85,8 +85,6 @@
 
 static void *allocations[ALLOCATION_COUNT];
 
-T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
-
 T_DECL(nano_active_test, "Test that Nano is activated",
 	   T_META_ENVVAR("MallocNanoZone=1"))
 {