diff --git a/Formula/gtkspell3.rb b/Formula/gtkspell3.rb
index 2bd775bf2eb..ec7f3bdd9ca 100644
--- a/Formula/gtkspell3.rb
+++ b/Formula/gtkspell3.rb
@@ -43,8 +43,7 @@ class Gtkspell3 < Formula
     libpng = Formula["libpng"]
     pango = Formula["pango"]
     pixman = Formula["pixman"]
-    flags = (ENV.cflags || "").split + (ENV.cppflags || "").split + (ENV.ldflags || "").split
-    flags += %W[
+    flags = %W[
       -I#{atk.opt_include}/atk-1.0
       -I#{cairo.opt_include}/cairo
       -I#{enchant.opt_include}/enchant