diff --git a/configure.ac b/configure.ac
index 4e02bad11..30e9a4d1b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -294,7 +294,6 @@ AC_TRY_COMPILE(,[class a { int b; } c;], ,CXX=)
 AM_CONDITIONAL(HAVE_CXX, [test "$CXX" != ""])
 AC_LANG_RESTORE
 
-AM_PROG_CC_STDC
 AM_PROG_CC_C_O
 AC_PROG_INSTALL