--- libmalloc/libmalloc-409.40.6/tests/checkfix.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <stdlib.h>
-#include <darwintest.h>
-#include <malloc_private.h>
-
-T_DECL(malloc_checkfix_zero_on_free, "Test malloc_zero_on_free_disable() SPI",
-		T_META_ENVVAR("MallocZeroOnFree=1"))
-{
-	// Drive some activity up front
-	void *p1 = malloc(16);
-	T_ASSERT_NOTNULL(p1, "malloc 1");
-	void *p2 = malloc(512);
-	T_ASSERT_NOTNULL(p1, "malloc 2");
-
-	free(p2);
-
-	// Call the checkfix SPI
-	malloc_zero_on_free_disable();
-
-	// Drive some more activity
-	void *p3 = calloc(1, 512);
-	T_ASSERT_NOTNULL(p3, "calloc 1");
-
-	free(p3);
-	free(p1);
-
-	T_PASS("Reached the end");
-}