--- libmalloc/libmalloc-374.40.6/src/internal.h
+++ libmalloc/libmalloc-317.40.8/src/internal.h
@@ -67,7 +67,6 @@
 #endif
 #include <os/tsd.h>
 #include <paths.h>
-#include <pthread/pthread.h>  // _pthread_threadid_self_np_direct()
 #include <pthread/private.h>  // _pthread_threadid_self_np_direct()
 #include <pthread/tsd_private.h>  // TSD keys
 #include <signal.h>
@@ -103,9 +102,9 @@
 #include "magazine_malloc.h"
 #include "malloc_common.h"
 #include "nano_malloc_common.h"
+#include "nano_malloc.h"
 #include "nanov2_malloc.h"
-#include "pgm_malloc.h"
-#include "quarantine_malloc.h"
+#include "pguard_malloc.h"
 #include "purgeable_malloc.h"
 #include "malloc_private.h"
 #include "thresholds.h"
@@ -117,7 +116,6 @@
 #include "nanov2_zone.h"
 #include "magazine_inline.h"
 #include "stack_logging.h"
-#include "stack_trace.h"
 #include "malloc_implementation.h"
 
 MALLOC_NOEXPORT
@@ -131,9 +129,6 @@
 
 MALLOC_NOEXPORT
 extern bool malloc_medium_space_efficient_enabled;
-
-MALLOC_NOEXPORT
-extern bool malloc_quarantine_enabled;
 
 MALLOC_NOEXPORT MALLOC_NOINLINE
 void
@@ -150,18 +145,6 @@
 	return malloc_tracing_enabled;
 }
 
-static inline uint32_t
-_malloc_cpu_number(void)
-{
-#if TARGET_OS_SIMULATOR
-	size_t n;
-	pthread_cpu_number_np(&n);
-	return (uint32_t)n;
-#else
-	return _os_cpu_number();
-#endif
-}
-
 /*
   * Copies the malloc library's _malloc_msl_lite_hooks_t structure to a given
   * location. Size is passed to allow the structure to  grow. Since this is
@@ -175,11 +158,11 @@
 
 
 // pthread reserves 5 TSD keys for libmalloc
-#define __TSD_MALLOC_PROB_GUARD_SAMPLE_COUNTER __PTK_LIBMALLOC_KEY0
-#define __TSD_MALLOC_UNUSED1                   __PTK_LIBMALLOC_KEY1
-#define __TSD_MALLOC_UNUSED2                   __PTK_LIBMALLOC_KEY2
-#define __TSD_MALLOC_UNUSED3                   __PTK_LIBMALLOC_KEY3
-#define __TSD_MALLOC_UNUSED4                   __PTK_LIBMALLOC_KEY4
+#define __TSD_MALLOC_PGUARD_SAMPLE_COUNTER __PTK_LIBMALLOC_KEY0
+#define __TSD_MALLOC_UNUSED1               __PTK_LIBMALLOC_KEY1
+#define __TSD_MALLOC_UNUSED2               __PTK_LIBMALLOC_KEY2
+#define __TSD_MALLOC_UNUSED3               __PTK_LIBMALLOC_KEY3
+#define __TSD_MALLOC_UNUSED4               __PTK_LIBMALLOC_KEY4
 
 
 #endif // __INTERNAL_H