--- texlive-20170524-source.old/texk/web2c/w2c/config.h
+++ texlive-20170524-source/texk/web2c/w2c/config.h
@@ -101,14 +101,6 @@
 typedef int64_t integer64;
 #endif
 
-/* And we need uintptr_t.  */
-#ifndef HAVE_UINTPTR_T
-# if SIZEOF_VOID_P == SIZEOF_INT
-typedef unsigned int uintptr_t;
-# elif SIZEOF_VOID_P == SIZEOF_LONG
-typedef unsigned long uintptr_t;
-# endif
-#endif
 
 /* I don't want to write a configure test for remove when all Unix
    machines have unlink.  But, for the sake of non-Unix machines that