--- libmalloc/libmalloc-657.60.21/xcodeconfig/libmalloc_exclaves_introspector.xcconfig
+++ libmalloc/libmalloc-521.100.59/xcodeconfig/libmalloc_exclaves_introspector.xcconfig
@@ -10,11 +10,8 @@
 
 SUPPORTS_TEXT_BASED_API = YES
 
-SYSTEM_HEADER_SEARCH_PATHS = $(inherited) $(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/System/Library/Frameworks/System.framework/PrivateHeaders $(SDKROOT)/usr/local/standalone/cL4-future/include
+SYSTEM_HEADER_SEARCH_PATHS = $(inherited) $(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/System/Library/Frameworks/System.framework/PrivateHeaders
 
-GCC_PREPROCESSOR_DEFINITIONS = $(inherited) L4_CONFIG_PLAT_EXCLAVE_GENERIC MALLOC_TARGET_EXCLAVES_INTROSPECTOR=1
-
-EXCLUDED_SOURCE_FILE_NAMES = src/xzone/xzone_introspect_stub.c
-EXCLUDED_SOURCE_FILE_NAMES[arch=x86_64] = src/xzone/xzone_introspect.c
+GCC_PREPROCESSOR_DEFINITIONS = $(inherited) MALLOC_TARGET_EXCLAVES_INTROSPECTOR=1
 
 OTHER_LDFLAGS = $(inherited) -lCrashReporterClient