diff --git a/packages/x11/lib/libX11/package.mk b/packages/x11/lib/libX11/package.mk
index 8f5deaa4f7..319ee43fc5 100644
--- a/packages/x11/lib/libX11/package.mk
+++ b/packages/x11/lib/libX11/package.mk
@@ -49,11 +49,3 @@ PKG_CONFIGURE_OPTS_TARGET="--disable-secure-rpc \
                            --disable-ipv6 \
                            --without-launchd \
                            --without-lint"
-
-pre_configure_target() {
-  export CC_FOR_BUILD="$HOST_CC"
-  export CPPFLAGS_FOR_BUILD="$HOST_CPPFLAGS"
-  export CFLAGS_FOR_BUILD="$HOST_CFLAGS"
-  export LDFLAGS_FOR_BUILD="$HOST_LDFLAGS"
-  unset PKG_CONFIG_ALLOW_SYSTEM_CFLAGS
-}