diff --git a/.eslintrc.es5.json b/.eslintrc.es5.json
index 7097a4a90e..fb265580dd 100644
--- a/.eslintrc.es5.json
+++ b/.eslintrc.es5.json
@@ -42,7 +42,6 @@
     "no-extra-bind": 0,
     "brace-style": 0,
     "space-infix-ops": 0,
-    "dot-notation": 0,
     "prefer-template": 0,
     "func-names": 0
   }
diff --git a/assets/js/src/date.js b/assets/js/src/date.js
index 70249bda6b..0d5f03d393 100644
--- a/assets/js/src/date.js
+++ b/assets/js/src/date.js
@@ -146,7 +146,7 @@ define('date',
 
         if (!format || format.length <= 0) return format;
 
-        replacements = formatMappings['date'];
+        replacements = formatMappings.date;
         convertedFormat = [];
         escapeToken = false;
 
diff --git a/assets/js/src/form_editor/form_editor.js b/assets/js/src/form_editor/form_editor.js
index 65ab434bb3..07d4a317e8 100644
--- a/assets/js/src/form_editor/form_editor.js
+++ b/assets/js/src/form_editor/form_editor.js
@@ -365,17 +365,17 @@ WysijaForm = {
     };
     // body
     WysijaForm.getBlocks().each(function (b) {
-      var blockData = (typeof (b.block['save']) === 'function') ? b.block.save() : null;
+      var blockData = (typeof (b.block.save) === 'function') ? b.block.save() : null;
 
       if (blockData !== null) {
         // set block position
-        blockData['position'] = position;
+        blockData.position = position;
 
         // increment position
         position++;
 
         // add block data to body
-        data['body'].push(blockData);
+        data.body.push(blockData);
       }
     });
 
@@ -480,7 +480,7 @@ WysijaForm = {
     WysijaForm.getBlocks().each(function (container) {
       container.setPosition(index++);
       // remove z-index value to avoid issues when resizing images
-      if (container['block'] !== undefined) {
+      if (container.block !== undefined) {
         container.block.element.setStyle({
           zIndex: ''
         });
@@ -774,7 +774,7 @@ WysijaForm.Block = window.Class.create({
     this.block.makeBlockDroppable();
 
     // setup events
-    if (this.block['setup'] !== undefined) {
+    if (this.block.setup !== undefined) {
       this.block.setup();
     }
     return this;
@@ -783,13 +783,13 @@ WysijaForm.Block = window.Class.create({
     this.element.writeAttribute('wysija_position', position);
   },
   hideControls: function () {
-    if (this['getControls']) {
+    if (this.getControls) {
       this.element.removeClassName('hover');
       this.getControls().hide();
     }
   },
   showControls: function () {
-    if (this['getControls']) {
+    if (this.getControls) {
       this.element.addClassName('hover');
       try {
         this.getControls().show();
diff --git a/assets/js/src/modal.js b/assets/js/src/modal.js
index b676ed834d..87614e8bc9 100644
--- a/assets/js/src/modal.js
+++ b/assets/js/src/modal.js
@@ -254,7 +254,7 @@ define('modal', ['mailpoet', 'jquery'],
 
             // add sub panel wrapper
           jQuery('#mailpoet_' + this.options.type)
-              .append(this.templates['subpanel']);
+              .append(this.templates.subpanel);
 
             // add sub panel content
           jQuery('.mailpoet_' + this.options.type + '_body').last()
diff --git a/assets/js/src/public.js b/assets/js/src/public.js
index a10939375a..fc9a2aab66 100644
--- a/assets/js/src/public.js
+++ b/assets/js/src/public.js
@@ -72,7 +72,7 @@ function (
             if (
                 window.frameElement !== null
                 && MailPoet !== undefined
-                && MailPoet['Iframe']
+                && MailPoet.Iframe
               ) {
               MailPoet.Iframe.autoSize(window.frameElement);
             }