diff --git a/srcpkgs/lxqt-config/template b/srcpkgs/lxqt-config/template
index ebf37f280d2..339972057a8 100644
--- a/srcpkgs/lxqt-config/template
+++ b/srcpkgs/lxqt-config/template
@@ -12,7 +12,3 @@ license="LGPL-2.1"
 homepage="http://lxqt.org/"
 distfiles="https://github.com/lxde/lxqt-config/releases/download/${version}/lxqt-config-${version}.tar.xz"
 checksum=65899ba616a637a8abf88889285aed400046064c85fc29393522782bf557425b
-
-post_configure() {
-	find -name flags.make -exec sed -i "{}" -e"s;-isystem;-I;g" \;
-}