diff --git a/frontend-js/src/main/js/map/overlay/CommentDbOverlay.js b/frontend-js/src/main/js/map/overlay/CommentDbOverlay.js
index 85489f45abadac545f39b20139bbc93811490e61..ef6b6cb0f6c07e2e041bbfe40584694f75417677 100644
--- a/frontend-js/src/main/js/map/overlay/CommentDbOverlay.js
+++ b/frontend-js/src/main/js/map/overlay/CommentDbOverlay.js
@@ -3,8 +3,6 @@
 var OverlayCollection = require('./OverlayCollection');
 var IdentifiedElement = require('../data/IdentifiedElement');
 
-var logger = require('../../logger');
-
 function CommentDbOverlay(params) {
   // call super constructor
   OverlayCollection.call(this, params);