diff --git a/examples/gml.js b/examples/gml.js
index 05346c0276..b3132f13e7 100644
--- a/examples/gml.js
+++ b/examples/gml.js
@@ -1,4 +1,3 @@
-goog.require('ol.Collection');
 goog.require('ol.Map');
 goog.require('ol.RendererHint');
 goog.require('ol.View2D');
@@ -32,7 +31,7 @@ var vector = new ol.layer.Vector({
 });
 
 var map = new ol.Map({
-  layers: new ol.Collection([raster, vector]),
+  layers: [raster, vector],
   renderer: ol.RendererHint.CANVAS,
   target: 'map',
   view: new ol.View2D({
diff --git a/examples/kml.js b/examples/kml.js
index 2282e1504d..e51df86a50 100644
--- a/examples/kml.js
+++ b/examples/kml.js
@@ -1,4 +1,3 @@
-goog.require('ol.Collection');
 goog.require('ol.Map');
 goog.require('ol.RendererHint');
 goog.require('ol.View2D');
@@ -30,7 +29,7 @@ var vector = new ol.layer.Vector({
 });
 
 var map = new ol.Map({
-  layers: new ol.Collection([raster, vector]),
+  layers: [raster, vector],
   renderer: ol.RendererHint.CANVAS,
   target: 'map',
   view: new ol.View2D({
diff --git a/examples/style-rules.js b/examples/style-rules.js
index ca90304277..31b215e06f 100644
--- a/examples/style-rules.js
+++ b/examples/style-rules.js
@@ -1,4 +1,3 @@
-goog.require('ol.Collection');
 goog.require('ol.Expression');
 goog.require('ol.Map');
 goog.require('ol.RendererHint');
diff --git a/examples/vector-layer.js b/examples/vector-layer.js
index d051c78591..bde558afd7 100644
--- a/examples/vector-layer.js
+++ b/examples/vector-layer.js
@@ -1,4 +1,3 @@
-goog.require('ol.Collection');
 goog.require('ol.Map');
 goog.require('ol.RendererHint');
 goog.require('ol.View2D');
@@ -33,7 +32,7 @@ var vector = new ol.layer.Vector({
 });
 
 var map = new ol.Map({
-  layers: new ol.Collection([raster, vector]),
+  layers: [raster, vector],
   renderer: ol.RendererHint.CANVAS,
   target: 'map',
   view: new ol.View2D({