--- libmalloc/libmalloc-425.100.7/tests/perf_contended_malloc_free.c
+++ libmalloc/libmalloc-283/tests/perf_contended_malloc_free.c
@@ -9,8 +9,6 @@
 #include <pthread.h>
 #include <malloc/malloc.h>
 #include <darwintest.h>
-
-#include <../src/internal.h> // for platform.h
 
 // number of times malloc & free are called per dt_stat batch
 #define ITERATIONS_PER_DT_STAT_BATCH 10000ull
@@ -325,23 +323,3 @@
 	iterations_per_dt_stat_batch = ITERATIONS_PER_DT_STAT_BATCH_LARGE_MALLOC;
 	malloc_bench(false, 16 * 1024, 256 * 1024, 16 * 1024);
 }
-
-// rdar://100479142
-#if CONFIG_DEFERRED_RECLAIM
-
-// If deferred reclaim is available but not enabled by default, test it too
-T_DECL(perf_contended_large_deferred_reclaim_bench,
-		"Contended large malloc (deferred reclaim)",
-		T_META_ALL_VALID_ARCHS(NO),
-		T_META_LTEPHASE(LTE_POSTINIT), T_META_CHECK_LEAKS(false),
-		T_META_ENABLED(!DEFAULT_LARGE_CACHE_ENABLED),
-		T_META_ENVVAR("MallocLargeCache=1"),
-		T_META_TAG_PERF)
-{
-	// Add more iterations to also serve as a stress test for deferred reclaim
-	iterations_per_dt_stat_batch =
-			ITERATIONS_PER_DT_STAT_BATCH_LARGE_MALLOC * 20;
-	malloc_bench(false, 16 * 1024, 256 * 1024, 16 * 1024);
-}
-
-#endif // CONFIG_DEFERRED_RECLAIM