diff --git a/src/ol/pixel.js b/src/ol/pixel.js
index 30d0b512ec..3d7292a906 100644
--- a/src/ol/pixel.js
+++ b/src/ol/pixel.js
@@ -4,3 +4,5 @@
  * @typedef {Array<number>} Pixel
  * @api
  */
+
+export let nothing;