--- libmalloc/libmalloc-474.0.13/src/malloc_common.c
+++ libmalloc/libmalloc-283.100.6/src/malloc_common.c
@@ -110,40 +110,4 @@
 	return NULL;
 }
 
-unsigned
-malloc_zone_batch_malloc_fallback(malloc_zone_t *zone, size_t size,
-		void **results, unsigned num_requested)
-{
-	unsigned allocated;
-	for (allocated = 0; allocated < num_requested; allocated++) {
-		void *ptr = zone->malloc(zone, size);
-		if (!ptr) {
-			break;
-		}
 
-		results[allocated] = ptr;
-	}
-
-	return allocated;
-}
-
-void
-malloc_zone_batch_free_fallback(malloc_zone_t *zone, void **to_be_freed,
-		unsigned count)
-{
-	for (unsigned i = 1; i <= count; i++) {
-		// Note: we iterate backward because nano and magazine malloc both do,
-		// although that seems likely to just be a vestigial codegen
-		// optimization for ancient non-optimizing compilers
-		void *ptr = to_be_freed[count - i];
-		if (ptr) {
-			zone->free(zone, ptr);
-		}
-	}
-}
-
-size_t
-malloc_zone_pressure_relief_fallback(malloc_zone_t *zone, size_t goal)
-{
-	return 0;
-}