diff --git a/.gitignore b/.gitignore
index ee709e6258..dab00e133a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,6 @@
 /build/ol.css
 /build/ol.js
 /build/ol-all.js
-/build/proj4js-combined.js
 /build/require-all.js
 /build/src
 /examples/*.json