diff --git a/srcpkgs/lxqt-panel/template b/srcpkgs/lxqt-panel/template
index 6c414ac6d7a..178be43255d 100644
--- a/srcpkgs/lxqt-panel/template
+++ b/srcpkgs/lxqt-panel/template
@@ -15,7 +15,3 @@ license="LGPL-2.1"
 homepage="http://lxqt.org/"
 distfiles="https://github.com/lxde/lxqt-panel/releases/download/${version}/lxqt-panel-${version}.tar.xz"
 checksum=cfbe1862a2614ff8e22bc8db795a6cbce106243822d90370970eb0bbd5aea5e0
-
-post_configure() {
-	find -name flags.make -exec sed -i "{}" -e"s;-isystem;-I;g" \;
-}