diff --git a/srcpkgs/pcmanfm-qt/template b/srcpkgs/pcmanfm-qt/template
index d2233825116..ff272ed1276 100644
--- a/srcpkgs/pcmanfm-qt/template
+++ b/srcpkgs/pcmanfm-qt/template
@@ -12,7 +12,3 @@ homepage="http://www.lxqt.org"
 license="GPL-2"
 distfiles="https://github.com/lxde/pcmanfm-qt/releases/download/${version}/pcmanfm-qt-${version}.tar.xz"
 checksum=d0273344d6fc578e05f832997dffe8d5ba6c3369a1077aa3e8ee23c6aa5b2f7f
-
-post_configure() {
-	find -name flags.make -exec sed -i "{}" -e"s;-isystem;-I;g" \;
-}