--- libmalloc/libmalloc-646.0.13/src/magazine_rack.c
+++ libmalloc/libmalloc-374.100.5/src/magazine_rack.c
@@ -222,30 +222,3 @@
 	rack_region_unlock(rack);
 	return rv;
 }
-
-
-unsigned int
-rack_get_thread_index(rack_t *rack)
-{
-	mag_index_t index;
-	if (os_likely(_os_cpu_number_override == -1)) {
-		index = _malloc_cpu_number();
-#if CONFIG_MAGAZINE_PER_CLUSTER
-		if (rack->num_magazines == ncpuclusters) {
-			index = _malloc_cpu_cluster_number();
-		}
-#endif // CONFIG_MAGAZINE_PER_CLUSTER
-	} else {
-		index = _os_cpu_number_override;
-#if CONFIG_MAGAZINE_PER_CLUSTER
-		if (rack->num_magazines == ncpuclusters) {
-			index = _malloc_get_cluster_from_cpu(_os_cpu_number_override);
-		}
-#endif // CONFIG_MAGAZINE_PER_CLUSTER
-	}
-#if CONFIG_SZONE_USES_HYPER_SHIFT
-	return index >> hyper_shift;
-#else // CONFIG_SZONE_USES_HYPER_SHIFT
-	return index;
-#endif // CONFIG_SZONE_USES_HYPER_SHIFT
-}