diff --git a/kmail/configure.in.in b/kmail/configure.in.in
index 55bf6b17..7ccb78a3 100644
--- a/kmail/configure.in.in
+++ b/kmail/configure.in.in
@@ -28,8 +28,6 @@ AC_ARG_ENABLE(inotify,
 AC_HELP_STRING([--disable-inotify],[enable use of Linux inode notifications]),
 [ kde_enable_inotify=$enableval ], [kde_enable_inotify=yes])dnl
 
-AC_CHECK_GNU_EXTENSIONS
-
 if test "x$kde_enable_inotify" = "xyes"; then
   AC_MSG_CHECKING([for Linux Inotify Notification])
   AC_CACHE_VAL(kde_cv_have_inotify,