diff --git a/config/functions b/config/functions
index a87fb17f47..da1b85fab5 100644
--- a/config/functions
+++ b/config/functions
@@ -102,17 +102,6 @@ require_cxx() {
   fi
 }
 
-xorg_drv_configure_prepend() {
-  incdir=${SYSROOT_PREFIX}/usr/include/xorg
-  for f in dri.h sarea.h dristruct.h exa.h damage.h xf86Module.h; do
-    incfile="$incdir/$f"
-    if [ -f "$incfile" ]; then
-      p=`echo "$incfile" | sed 'y%*+%pp%;s%[^_[:alnum:]]%_%g'`
-      eval "export ac_cv_file_$p=yes"
-    fi
-  done
-}
-
 add_user() {
   # Usage: add_user "username" "password" "userid" "groupid" "description" "home" "shell"
   mkdir -p ${INSTALL}/etc