diff --git a/include/ac/stdlib.h b/include/ac/stdlib.h
index c2625caa86..2e3eb5502d 100644
--- a/include/ac/stdlib.h
+++ b/include/ac/stdlib.h
@@ -32,11 +32,4 @@
 #	define EXIT_FAILURE 1
 #endif
 
-#ifdef HAVE_EBCDIC
-#undef putchar
-#undef putc
-#define	putchar(c)	putc((c), stdout)
-#define	putc(c, fp)	do { char x=(c); __atoe_l(&x,1); putc(x,fp);} while(0)
-#endif
-
 #endif /* _AC_STDLIB_H */