diff --git a/extra/gtk+3/build b/extra/gtk+3/build
index 29063fa3..4bda5d48 100755
--- a/extra/gtk+3/build
+++ b/extra/gtk+3/build
@@ -49,9 +49,14 @@ ninja -C output install
 # compiler errors for some packages. It has no use at all.
 rm -f "$1/usr/bin/gtk-encode-symbolic-svg"
 
-# Remove epoxy references from installed pkg-config files. The build system
-# should have done this for us as it is statically linked.
+# Remove libepoxy and its references from installed pkg-config files. The build
+# system should have done this for us as it is statically linked.
 for f in "$1/usr/lib/pkgconfig/"*.pc; do
     sed 's/epoxy >= 1.4//' "$f" > _
     mv -f _ "$f"
 done
+
+rm -rf \
+    "$1/usr/lib/pkgconfig/epoxy.pc" \
+    "$1/usr/lib/libepoxy.a" \
+    "$1/usr/include/epoxy"