--- libmalloc/libmalloc-474.0.13/private/make_tapi_happy.h
+++ libmalloc/libmalloc-374.100.5/private/make_tapi_happy.h
@@ -20,8 +20,6 @@
  *
  * @APPLE_LICENSE_HEADER_END@
  */
-
-#include <stdbool.h>
 
 /* Make TAPI happy by declaring things that other projects forward-declare. */
 /* This header is not installed anywhere. */
@@ -76,16 +74,6 @@
 /* Maybe we can change it to a symbol-alias of free? */
 void vfree(void *ptr);
 
-typedef malloc_zone_t *xzm_malloc_zone_t;
-typedef uint8_t xzm_segment_group_id_t;
-typedef uint8_t xzm_xzone_bucket_t;
-
-#if defined(__LP64__)
-bool
-xzm_ptr_lookup_4test(xzm_malloc_zone_t zone, void *ptr,
-		xzm_segment_group_id_t *sgid_out, xzm_xzone_bucket_t *bucket_out);
-#endif
-
 /* Obsolete entry points. They don't work, don't use them. */
 void set_malloc_singlethreaded(boolean_t);
 void malloc_singlethreaded(void);