diff --git a/frontend-js/src/main/js/GuiConnector.js b/frontend-js/src/main/js/GuiConnector.js
index c90b252dfc3a48c735e1b480e9d3c1f1d5698b29..002779bb62e5391c9d169b0f5058ce06b4c26080 100644
--- a/frontend-js/src/main/js/GuiConnector.js
+++ b/frontend-js/src/main/js/GuiConnector.js
@@ -59,7 +59,7 @@ GuiConnector.init = function() {
       for (var i = 0; i < self._windowResizeEvents.length; i++) {
         self._windowResizeEvents[i]();
       }
-    }
+    };
   }
 };
 
diff --git a/frontend-js/src/main/js/gui/leftPanel/AbstractDbPanel.js b/frontend-js/src/main/js/gui/leftPanel/AbstractDbPanel.js
index 4c7b937b7b0bb93bcd137e0149c40ea3ec83dd4b..d32c39532eff7ffc21e63fbe1978e51bf3583f55 100644
--- a/frontend-js/src/main/js/gui/leftPanel/AbstractDbPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/AbstractDbPanel.js
@@ -61,7 +61,7 @@ AbstractPanel.prototype._createEventHandlers = function() {
     self.onresize();
   });
 
-  $("a[href='#"+self.getElement().id+"']").on('shown.bs.tab', function(e) {
+  $("a[href='#"+self.getElement().id+"']").on('shown.bs.tab', function() {
     self.onresize();
   });
 
@@ -299,7 +299,7 @@ AbstractPanel.prototype.onresize = function() {
 
   $(".pre-scrollable", self.getElement()).each(function(index, element) {
     if ($(element).is(":visible")) {
-      size = Math.min(size, footerPosition - $(element).offset().top)
+      size = Math.min(size, footerPosition - $(element).offset().top);
     }
   });
   if (size !== 100000) {
diff --git a/frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js b/frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js
index cfd2a9036c7306adaf52459a0ad25e7debdc0a3a..85ebe5727a4cca877cb5a0d2a333c62a6a43abd6 100644
--- a/frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js
@@ -31,7 +31,7 @@ function OverlayPanel(params) {
     self.onresize();
   });
   
-  $("a[href='#"+self.getElement().id+"']").on('shown.bs.tab', function(e) {
+  $("a[href='#"+self.getElement().id+"']").on('shown.bs.tab', function() {
     self.onresize();
   });
   
diff --git a/frontend-js/src/main/js/map/data/LayoutData.js b/frontend-js/src/main/js/map/data/LayoutData.js
index ad9a7d8e120be7aaa545e5385996b95eee4acfd6..3275fc9312ae5ad3f78804ef6c3e5fee79a8f0e6 100644
--- a/frontend-js/src/main/js/map/data/LayoutData.js
+++ b/frontend-js/src/main/js/map/data/LayoutData.js
@@ -172,7 +172,7 @@ LayoutData.prototype.init = function() {
       } else if (data[i] instanceof LayoutReaction) {
         self.addReaction(data[i]);
       } else {
-        reject("Unknown element type: " + typeof (data[i]));
+        return Promise.reject("Unknown element type: " + typeof (data[i]));
       }
 
     }
diff --git a/frontend-js/src/main/js/minerva.js b/frontend-js/src/main/js/minerva.js
index 81f69dcf9c53282f3624061b2a355ad94a3dee4c..aea8e61910b2414c07f2514e1023bac86a35dbb9 100644
--- a/frontend-js/src/main/js/minerva.js
+++ b/frontend-js/src/main/js/minerva.js
@@ -136,7 +136,6 @@ function create(params) {
     params = new CustomMapOptions(params);
   }
 
-  var project = params.getProject();
   var element = params.getElement();
 
   if (global.GuiConnector === undefined) {
diff --git a/frontend-js/src/test/js/minerva-test.js b/frontend-js/src/test/js/minerva-test.js
index c525eeba3450a5b08a42fd1742c30bac5d1ebc46..1b3bce17fcfe8e60e3e279ba3a38903b1b968530 100644
--- a/frontend-js/src/test/js/minerva-test.js
+++ b/frontend-js/src/test/js/minerva-test.js
@@ -10,7 +10,6 @@ var Project = require('../../main/js/map/data/Project');
 var chai = require('chai');
 var assert = chai.assert;
 var logger = require('./logger');
-var Functions = require('../../main/js/Functions');
 
 describe('minerva global', function() {