2 files changed, 1 insertions, 4 deletions
diff --git a/malloc/malloc.h b/malloc/malloc.h
index 4695b7d0ad..cd691f103c 100644
--- a/malloc/malloc.h
+++ b/malloc/malloc.h
@@ -24,9 +24,6 @@
 #include <stdio.h>
 # define __malloc_ptr_t  void *
 
-/* Used by GNU libc internals. */
-#define __malloc_ptrdiff_t ptrdiff_t
-
 #ifdef _LIBC
 # define __MALLOC_HOOK_VOLATILE
 # define __MALLOC_DEPRECATED
diff --git a/malloc/morecore.c b/malloc/morecore.c
index 3b19406347..57284e0a36 100644
--- a/malloc/morecore.c
+++ b/malloc/morecore.c
@@ -43,7 +43,7 @@ libc_hidden_proto (__sbrk)
    If INCREMENT is negative, shrink data space.  */
 __malloc_ptr_t
 __default_morecore (increment)
-     __malloc_ptrdiff_t increment;
+     ptrdiff_t increment;
 {
   __malloc_ptr_t result = (__malloc_ptr_t) __sbrk (increment);
   if (result == (__malloc_ptr_t) -1)