--- libmalloc/libmalloc-283.40.1/tests/Makefile
+++ /dev/null
@@ -1,80 +0,0 @@
-PROJECT := libmalloc
-TEST_DIR := tests/
-
-DEVELOPER_DIR ?= /Applications/Xcode.app/Contents/Developer/
-
-include $(DEVELOPER_DIR)/AppleInternal/Makefiles/darwintest/Makefile.common
-
-TRACE_FILES := \
-	$(notdir $(wildcard $(SRCROOT)/../traces/*.mtrace))
-
-# add trace files without the traces/ prefix, fex:
-#   exclude_this_file.mtrace
-EXCLUDED_TRACE_FILES :=
-
-CUSTOM_TARGETS = \
-	MALLOC_BENCH
-
-OTHER_TEST_TARGETS = \
-	$(addprefix nano-trace-replay_, $(basename $(filter-out $(EXCLUDED_TRACE_FILES), $(TRACE_FILES)))) 
-
-MALLOCBENCHTEST_DIR = $(SRCROOT)/MallocBenchTest
-BATS_PLISTS_EXTRACT = \
-	$(patsubst %,$(SYMROOT)/%.plist,$(OTHER_TEST_TARGETS))
-
-EXCLUDED_SOURCES := \
-	nano_trace_replay.c
-CXX := $(shell $(XCRUN) -sdk "$(TARGETSDK)" -find clang++)
-
-WARNING_CFLAGS := -Wno-format-invalid-specifier -Wno-format-extra-args
-OTHER_CFLAGS += \
-	-DDARWINTEST \
-	-DOS_UNFAIR_LOCK_INLINE=1 \
-	-lCrashReporterClient \
-	-I$(SDKROOT)/System/Library/Frameworks/System.framework/PrivateHeaders \
-	-I$(SRCROOT)/../private \
-	-I$(SRCROOT)/../include \
-	$(WARNING_CFLAGS)
-
-PRIVATE_FRAMEWORKS = $(SDKROOT)/System/Library/PrivateFrameworks
-PERFDATA_FRAMEWORK = perfdata
-
-nano-trace-replay_%: $(SRCROOT)/nano_trace_replay.c
-	$(CC) \
-		$(CFLAGS) $(DT_CFLAGS) $(OTHER_CFLAGS) \
-		$(LDFLAGS) $(DT_LDFLAGS) $(OTHER_LDFLAGS) \
-		-DTRACE_NAME="$(patsubst nano-trace-replay_%,%,$(notdir $@))" \
-		-o $@ \
-		$(SRCROOT)/nano_trace_replay.c
-
-# For now, we only build and run MallocBench on iOS. macOS requires
-# us to adopt installAPI.
-LOWER_SDKROOT  = $(shell echo $(SDKROOT) | tr '[:upper:]' '[:lower:]')
-ifneq (, $(findstring iphoneos,$(LOWER_SDKROOT)))
-include MallocBenchTest/Makefile.malloc-bench
-BATS_PLISTS = $(BATS_PLISTS_EXTRACT) $(MALLOCBENCHTEST_DIR)/MallocBench.plist
-else
-include MallocBenchTest/Makefile.dummy
-BATS_PLISTS = $(BATS_PLISTS_EXTRACT)
-endif
-
-$(BATS_PLISTS_EXTRACT): %.plist : %
-	$(EXTRACTMETA) extract -i /$(INSTALLPATH)/$(notdir $<) -b $(SYMROOT)/$(notdir $<) -o $@
-	@plutil -convert binary1 $@
-
-SANITIZER_DYLIB_PATH := /usr/local/lib/sanitizers/
-asan: OTHER_CFLAGS += -fsanitize=address
-asan: OTHER_LDFLAGS += -Wl,-rpath -Wl,$(SANITIZER_DYLIB_PATH)
-
-ifeq ($(Embedded),NO)
-tsan: CFLAGS := $(filter-out $(ARCH_FLAGS),$(CFLAGS)) -arch x86_64 -fsanitize=thread
-tsan: OTHER_LDFLAGS += -Wl,-rpath -Wl,$(SANITIZER_DYLIB_PATH)
-else
-EXCLUDED_SOURCES += tsan.c
-endif
-
-madvise: OTHER_CFLAGS += -I../src
-
-.DEFAULT_GOAL := all
-
-include $(DEVELOPER_DIR)/AppleInternal/Makefiles/darwintest/Makefile.targets