diff --git a/configure.ac b/configure.ac
index 199af3e..cf71ade 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,7 +33,6 @@ AC_CONFIG_HEADER([lib/config.h:lib/config.hin])
 
 AC_PROG_AWK
 AC_PROG_CC
-AM_PROG_CC_STDC
 AM_MISSING_PROG([HELP2MAN], [help2man])
 AC_PROG_RANLIB
 gl_EARLY