--- libmalloc/libmalloc-374.100.5/tests/malloc_size_test.c
+++ /dev/null
@@ -1,65 +0,0 @@
-//
-//  malloc_size_test.c
-//  libmalloc
-//
-//  Tests for malloc_size() on both good and bad pointers.
-//
-
-#include <darwintest.h>
-#include <stdlib.h>
-#include <malloc/malloc.h>
-
-T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
-
-static void
-test_malloc_size_valid(size_t min, size_t max, size_t incr)
-{
-	for (size_t sz = min; sz <= max; sz += incr) {
-		void *ptr = malloc(sz);
-		T_ASSERT_NOTNULL(ptr, "Allocate size %llu\n", (uint64_t)sz);
-		T_ASSERT_GE(malloc_size(ptr), malloc_good_size(sz), "Check size value");
-		free(ptr);
-	}
-}
-
-static void
-test_malloc_size_invalid(size_t min, size_t max, size_t incr)
-{
-	for (size_t sz = min; sz <= max; sz += incr) {
-		void *ptr = malloc(sz);
-		T_ASSERT_NOTNULL(ptr, "Allocate size %llu\n", (uint64_t)sz);
-		T_ASSERT_EQ(malloc_size(ptr + 1), 0UL, "Check offset by 1 size value");
-		T_ASSERT_EQ(malloc_size(ptr + sz/2), 0UL, "Check offset by half size value");
-		free(ptr);
-	}
-}
-
-T_DECL(malloc_size_valid, "Test malloc_size() on valid pointers, non-Nano",
-	   T_META_ENVVAR("MallocNanoZone=0"))
-{
-	// Test various sizes, roughly targetting each allocator range.
-	test_malloc_size_valid(2, 256, 16);
-	test_malloc_size_valid(512, 8192, 256);
-	test_malloc_size_valid(8192, 65536, 1024);
-}
-
-T_DECL(malloc_size_valid_nanov2, "Test malloc_size() on valid pointers for Nanov2",
-	   T_META_ENVVAR("MallocNanoZone=V2"))
-{
-	test_malloc_size_valid(2, 256, 16);
-}
-
-T_DECL(malloc_size_invalid, "Test malloc_size() on invalid pointers, non-Nano",
-	   T_META_ENVVAR("MallocNanoZone=0"))
-{
-	// Test various sizes, roughly targetting each allocator range.
-	test_malloc_size_invalid(2, 256, 16);
-	test_malloc_size_invalid(512, 8192, 256);
-	test_malloc_size_invalid(8192, 32768, 1024);
-}
-
-T_DECL(malloc_size_invalid_nanov2, "Test malloc_size() on valid pointers for Nanov2",
-	   T_META_ENVVAR("MallocNanoZone=V2"))
-{
-	test_malloc_size_invalid(2, 256, 16);
-}