diff --git a/srcpkgs/lxqt-sudo/template b/srcpkgs/lxqt-sudo/template
index 7029f8c2c1c..d3de178a382 100644
--- a/srcpkgs/lxqt-sudo/template
+++ b/srcpkgs/lxqt-sudo/template
@@ -13,7 +13,3 @@ license="LGPL-2.1"
 homepage="http://lxqt.org/"
 distfiles="https://github.com/lxde/lxqt-sudo/releases/download/${version}/lxqt-sudo-${version}.tar.xz"
 checksum=a902b32e137f5041c1dc82376742160f4c866d5a8da25c9384431512cf8555da
-
-post_configure() {
-	find -name flags.make -exec sed -i "{}" -e"s;-isystem;-I;g" \;
-}