--- libmalloc/libmalloc-374.40.6/src/base.h
+++ libmalloc/libmalloc-317.121.1/src/base.h
@@ -71,14 +71,7 @@
 #   define MALLOC_CACHE_LINE 128
 #   define MALLOC_NANO_CACHE_LINE 64
 #elif defined(__arm__) || defined(__arm64__)
-#	if TARGET_OS_OSX || TARGET_OS_DRIVERKIT || TARGET_OS_SIMULATOR
-// To make zone structure layout match to support introspecting a Rosetta process
-// from a native process or vice versa on macOS. See comment in
-// quarantine_diagnose_fault_from_crash_reporter.
-#   	define MALLOC_CACHE_LINE 128
-#	else
-#   	define MALLOC_CACHE_LINE 64
-#	endif
+#   define MALLOC_CACHE_LINE 64
 #   define MALLOC_NANO_CACHE_LINE 64
 #else
 #   define MALLOC_CACHE_LINE 32