diff --git a/examples/icon.js b/examples/icon.js
index 43010faf1c..980ea3b255 100644
--- a/examples/icon.js
+++ b/examples/icon.js
@@ -71,9 +71,9 @@ map.on('click', function(evt) {
     const coordinates = feature.getGeometry().getCoordinates();
     popup.setPosition(coordinates);
     $(element).popover({
-      'placement': 'top',
-      'html': true,
-      'content': feature.get('name')
+      placement: 'top',
+      html: true,
+      content: feature.get('name')
     });
     $(element).popover('show');
   } else {
diff --git a/examples/overlay.js b/examples/overlay.js
index 49f19eafcc..be9a65040d 100644
--- a/examples/overlay.js
+++ b/examples/overlay.js
@@ -51,12 +51,11 @@ map.on('click', function(evt) {
 
   $(element).popover('destroy');
   popup.setPosition(coordinate);
-  // the keys are quoted to prevent renaming in ADVANCED mode.
   $(element).popover({
-    'placement': 'top',
-    'animation': false,
-    'html': true,
-    'content': '<p>The location you clicked was:</p><code>' + hdms + '</code>'
+    placement: 'top',
+    animation: false,
+    html: true,
+    content: '<p>The location you clicked was:</p><code>' + hdms + '</code>'
   });
   $(element).popover('show');
 });