diff --git a/src/bundle/Resources/public/js/alloyeditor/src/plugins/ez-custom-tag.js b/src/bundle/Resources/public/js/alloyeditor/src/plugins/ez-custom-tag.js
index fd7586215d..71649589c1 100644
--- a/src/bundle/Resources/public/js/alloyeditor/src/plugins/ez-custom-tag.js
+++ b/src/bundle/Resources/public/js/alloyeditor/src/plugins/ez-custom-tag.js
@@ -1,7 +1,5 @@
 import customTagBaseDefinition from '../widgets/ez-custom-tag-base';
 
-const ZERO_WIDTH_SPACE = '​';
-
 CKEDITOR.dtd.$editable.span = 1;
 
 (function(global) {