--- findutils-4.4.2.orig/configure.ac	2009-05-16 17:27:39.000000000 +0200
+++ findutils-4.4.2/configure.ac	2014-03-23 19:39:22.000000000 +0100
@@ -77,8 +77,6 @@ AC_PROG_CPP
 dnl for gnulib
 gl_EARLY
 
-AM_C_PROTOTYPES
-
 AC_PROG_INSTALL
 AC_PROG_RANLIB
 dnl AC_PROG_LIBTOOL