diff --git a/src/ol/control/attributioncontrol.js b/src/ol/control/attributioncontrol.js
index 2aec3d73c8..8da0c15e8d 100644
--- a/src/ol/control/attributioncontrol.js
+++ b/src/ol/control/attributioncontrol.js
@@ -13,6 +13,7 @@ goog.require('ol');
 goog.require('ol.Attribution');
 goog.require('ol.control.Control');
 goog.require('ol.css');
+goog.require('ol.object');
 goog.require('ol.source.Tile');
 
 
@@ -150,7 +151,7 @@ ol.control.Attribution.prototype.getSourceAttributions = function(frameState) {
   var intersectsTileRange;
   var layerStatesArray = frameState.layerStatesArray;
   /** @type {Object.<string, ol.Attribution>} */
-  var attributions = goog.object.clone(frameState.attributions);
+  var attributions = ol.object.assign({}, frameState.attributions);
   /** @type {Object.<string, ol.Attribution>} */
   var hiddenAttributions = {};
   var projection = frameState.viewState.projection;
diff --git a/src/ol/format/esrijsonformat.js b/src/ol/format/esrijsonformat.js
index 7d62c8d00d..670f062d22 100644
--- a/src/ol/format/esrijsonformat.js
+++ b/src/ol/format/esrijsonformat.js
@@ -17,6 +17,7 @@ goog.require('ol.geom.MultiPolygon');
 goog.require('ol.geom.Point');
 goog.require('ol.geom.Polygon');
 goog.require('ol.geom.flat.orient');
+goog.require('ol.object');
 goog.require('ol.proj');
 
 
@@ -70,7 +71,7 @@ ol.format.EsriJSON.readGeometry_ = function(object, opt_options) {
   } else if (object.rings) {
     var layout = ol.format.EsriJSON.getGeometryLayout_(object);
     var rings = ol.format.EsriJSON.convertRings_(object.rings, layout);
-    object = /** @type {EsriJSONGeometry} */(goog.object.clone(object));
+    object = /** @type {EsriJSONGeometry} */(ol.object.assign({}, object));
     if (rings.length === 1) {
       type = ol.geom.GeometryType.POLYGON;
       object.rings = rings[0];
diff --git a/src/ol/format/gml/gml3format.js b/src/ol/format/gml/gml3format.js
index 2696457e37..e6f548b3a1 100644
--- a/src/ol/format/gml/gml3format.js
+++ b/src/ol/format/gml/gml3format.js
@@ -19,6 +19,7 @@ goog.require('ol.geom.MultiLineString');
 goog.require('ol.geom.MultiPolygon');
 goog.require('ol.geom.Point');
 goog.require('ol.geom.Polygon');
+goog.require('ol.object');
 goog.require('ol.proj');
 goog.require('ol.xml');
 
@@ -1003,7 +1004,7 @@ ol.format.GML3.prototype.writeCurveSegments_ = function(node, line, objectStack)
 ol.format.GML3.prototype.writeGeometryElement = function(node, geometry, objectStack) {
   var context = objectStack[objectStack.length - 1];
   goog.asserts.assert(goog.isObject(context), 'context should be an Object');
-  var item = goog.object.clone(context);
+  var item = ol.object.assign({}, context);
   item.node = node;
   var value;
   if (goog.isArray(geometry)) {
@@ -1064,7 +1065,7 @@ ol.format.GML3.prototype.writeFeatureElement = function(node, feature, objectSta
       }
     }
   }
-  var item = goog.object.clone(context);
+  var item = ol.object.assign({}, context);
   item.node = node;
   ol.xml.pushSerializeAndPop(/** @type {ol.xml.NodeStackItem} */
       (item), context.serializers,
@@ -1089,7 +1090,7 @@ ol.format.GML3.prototype.writeFeatureMembers_ = function(node, features, objectS
   serializers[featureNS] = {};
   serializers[featureNS][featureType] = ol.xml.makeChildAppender(
       this.writeFeatureElement, this);
-  var item = goog.object.clone(context);
+  var item = ol.object.assign({}, context);
   item.node = node;
   ol.xml.pushSerializeAndPop(/** @type {ol.xml.NodeStackItem} */
       (item),
diff --git a/src/ol/format/wfsformat.js b/src/ol/format/wfsformat.js
index 4159a2e56f..a8caa61168 100644
--- a/src/ol/format/wfsformat.js
+++ b/src/ol/format/wfsformat.js
@@ -9,6 +9,7 @@ goog.require('ol.format.GMLBase');
 goog.require('ol.format.XMLFeature');
 goog.require('ol.format.XSD');
 goog.require('ol.geom.Geometry');
+goog.require('ol.object');
 goog.require('ol.proj');
 goog.require('ol.xml');
 
@@ -543,7 +544,7 @@ ol.format.WFS.writeQuery_ = function(node, featureType, objectStack) {
     ol.xml.setAttributeNS(node, ol.format.WFS.XMLNS, 'xmlns:' + featurePrefix,
         featureNS);
   }
-  var item = goog.object.clone(context);
+  var item = ol.object.assign({}, context);
   item.node = node;
   ol.xml.pushSerializeAndPop(item,
       ol.format.WFS.QUERY_SERIALIZERS_,
@@ -610,7 +611,7 @@ ol.format.WFS.GETFEATURE_SERIALIZERS_ = {
 ol.format.WFS.writeGetFeature_ = function(node, featureTypes, objectStack) {
   var context = objectStack[objectStack.length - 1];
   goog.asserts.assert(goog.isObject(context), 'context should be an Object');
-  var item = goog.object.clone(context);
+  var item = ol.object.assign({}, context);
   item.node = node;
   ol.xml.pushSerializeAndPop(item,
       ol.format.WFS.GETFEATURE_SERIALIZERS_,
diff --git a/src/ol/layer/heatmaplayer.js b/src/ol/layer/heatmaplayer.js
index a5daba97ea..40d17252e3 100644
--- a/src/ol/layer/heatmaplayer.js
+++ b/src/ol/layer/heatmaplayer.js
@@ -2,12 +2,12 @@ goog.provide('ol.layer.Heatmap');
 
 goog.require('goog.asserts');
 goog.require('ol.events');
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.Object');
 goog.require('ol.dom');
 goog.require('ol.layer.Vector');
 goog.require('ol.math');
+goog.require('ol.object');
 goog.require('ol.render.EventType');
 goog.require('ol.style.Icon');
 goog.require('ol.style.Style');
@@ -39,7 +39,7 @@ ol.layer.HeatmapLayerProperty = {
 ol.layer.Heatmap = function(opt_options) {
   var options = opt_options ? opt_options : {};
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
 
   delete baseOptions.gradient;
   delete baseOptions.radius;
diff --git a/src/ol/layer/layer.js b/src/ol/layer/layer.js
index 61ae7a32c0..b36f80204b 100644
--- a/src/ol/layer/layer.js
+++ b/src/ol/layer/layer.js
@@ -2,11 +2,11 @@ goog.provide('ol.layer.Layer');
 
 goog.require('ol.events');
 goog.require('ol.events.EventType');
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.Object');
 goog.require('ol.layer.Base');
 goog.require('ol.layer.LayerProperty');
+goog.require('ol.object');
 goog.require('ol.render.EventType');
 goog.require('ol.source.State');
 
@@ -34,7 +34,7 @@ goog.require('ol.source.State');
  */
 ol.layer.Layer = function(options) {
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
   delete baseOptions.source;
 
   goog.base(this, /** @type {olx.layer.LayerOptions} */ (baseOptions));
diff --git a/src/ol/layer/layerbase.js b/src/ol/layer/layerbase.js
index 6d4dfef89b..2b498c5403 100644
--- a/src/ol/layer/layerbase.js
+++ b/src/ol/layer/layerbase.js
@@ -2,10 +2,10 @@ goog.provide('ol.layer.Base');
 goog.provide('ol.layer.LayerProperty');
 goog.provide('ol.layer.LayerState');
 
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.Object');
 goog.require('ol.math');
+goog.require('ol.object');
 goog.require('ol.source.State');
 
 
@@ -57,7 +57,7 @@ ol.layer.Base = function(options) {
   /**
    * @type {Object.<string, *>}
    */
-  var properties = goog.object.clone(options);
+  var properties = ol.object.assign({}, options);
   properties[ol.layer.LayerProperty.OPACITY] =
       options.opacity !== undefined ? options.opacity : 1;
   properties[ol.layer.LayerProperty.VISIBLE] =
diff --git a/src/ol/layer/layergroup.js b/src/ol/layer/layergroup.js
index 291ee58e7c..daa3db3524 100644
--- a/src/ol/layer/layergroup.js
+++ b/src/ol/layer/layergroup.js
@@ -1,9 +1,9 @@
 goog.provide('ol.layer.Group');
 
 goog.require('goog.asserts');
+goog.require('goog.object');
 goog.require('ol.events');
 goog.require('ol.events.EventType');
-goog.require('goog.object');
 goog.require('ol.Collection');
 goog.require('ol.CollectionEvent');
 goog.require('ol.CollectionEventType');
@@ -11,6 +11,7 @@ goog.require('ol.Object');
 goog.require('ol.ObjectEventType');
 goog.require('ol.extent');
 goog.require('ol.layer.Base');
+goog.require('ol.object');
 goog.require('ol.source.State');
 
 
@@ -37,7 +38,7 @@ ol.layer.Group = function(opt_options) {
 
   var options = opt_options || {};
   var baseOptions = /** @type {olx.layer.GroupOptions} */
-      (goog.object.clone(options));
+      (ol.object.assign({}, options));
   delete baseOptions.layers;
 
   var layers = options.layers;
diff --git a/src/ol/layer/tilelayer.js b/src/ol/layer/tilelayer.js
index 0430749ffb..4bf1d26ceb 100644
--- a/src/ol/layer/tilelayer.js
+++ b/src/ol/layer/tilelayer.js
@@ -1,8 +1,8 @@
 goog.provide('ol.layer.Tile');
 
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.layer.Layer');
+goog.require('ol.object');
 
 
 /**
@@ -31,7 +31,7 @@ ol.layer.TileProperty = {
 ol.layer.Tile = function(opt_options) {
   var options = opt_options ? opt_options : {};
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
 
   delete baseOptions.preload;
   delete baseOptions.useInterimTilesOnError;
diff --git a/src/ol/layer/vectorlayer.js b/src/ol/layer/vectorlayer.js
index f2f30d7ab5..a001e370e2 100644
--- a/src/ol/layer/vectorlayer.js
+++ b/src/ol/layer/vectorlayer.js
@@ -1,9 +1,9 @@
 goog.provide('ol.layer.Vector');
 
 goog.require('goog.asserts');
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.layer.Layer');
+goog.require('ol.object');
 goog.require('ol.style.Style');
 
 
@@ -38,7 +38,7 @@ ol.layer.Vector = function(opt_options) {
       goog.isFunction(options.renderOrder),
       'renderOrder must be a comparator function');
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
 
   delete baseOptions.style;
   delete baseOptions.renderBuffer;
diff --git a/src/ol/layer/vectortilelayer.js b/src/ol/layer/vectortilelayer.js
index 50a7a63485..0631c893b0 100644
--- a/src/ol/layer/vectortilelayer.js
+++ b/src/ol/layer/vectortilelayer.js
@@ -1,7 +1,7 @@
 goog.provide('ol.layer.VectorTile');
 
-goog.require('goog.object');
 goog.require('ol.layer.Vector');
+goog.require('ol.object');
 
 
 /**
@@ -28,7 +28,7 @@ ol.layer.VectorTileProperty = {
 ol.layer.VectorTile = function(opt_options) {
   var options = opt_options ? opt_options : {};
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
 
   delete baseOptions.preload;
   delete baseOptions.useInterimTilesOnError;
diff --git a/src/ol/map.js b/src/ol/map.js
index 785de7fcad..ecd7aa41c7 100644
--- a/src/ol/map.js
+++ b/src/ol/map.js
@@ -44,6 +44,7 @@ goog.require('ol.has');
 goog.require('ol.interaction');
 goog.require('ol.layer.Base');
 goog.require('ol.layer.Group');
+goog.require('ol.object');
 goog.require('ol.proj');
 goog.require('ol.proj.common');
 goog.require('ol.renderer.Map');
@@ -1325,7 +1326,7 @@ ol.Map.prototype.renderFrame_ = function(time) {
       index: this.frameIndex_++,
       layerStates: layerStates,
       layerStatesArray: layerStatesArray,
-      logos: goog.object.clone(this.logos_),
+      logos: ol.object.assign({}, this.logos_),
       pixelRatio: this.pixelRatio_,
       pixelToCoordinateMatrix: this.pixelToCoordinateMatrix_,
       postRenderFunctions: [],
diff --git a/src/ol/source/rastersource.js b/src/ol/source/rastersource.js
index 16d918b076..3e3090327a 100644
--- a/src/ol/source/rastersource.js
+++ b/src/ol/source/rastersource.js
@@ -3,18 +3,18 @@ goog.provide('ol.source.RasterEvent');
 goog.provide('ol.source.RasterEventType');
 
 goog.require('goog.asserts');
-goog.require('ol.events');
-goog.require('ol.events.Event');
-goog.require('ol.events.EventType');
-goog.require('goog.object');
 goog.require('goog.vec.Mat4');
 goog.require('ol.ImageCanvas');
 goog.require('ol.TileQueue');
 goog.require('ol.dom');
+goog.require('ol.events');
+goog.require('ol.events.Event');
+goog.require('ol.events.EventType');
 goog.require('ol.ext.pixelworks');
 goog.require('ol.extent');
 goog.require('ol.layer.Image');
 goog.require('ol.layer.Tile');
+goog.require('ol.object');
 goog.require('ol.raster.OperationType');
 goog.require('ol.renderer.canvas.ImageLayer');
 goog.require('ol.renderer.canvas.TileLayer');
@@ -171,10 +171,10 @@ ol.source.Raster.prototype.setOperation = function(operation, opt_lib) {
 ol.source.Raster.prototype.updateFrameState_ = function(extent, resolution, projection) {
 
   var frameState = /** @type {olx.FrameState} */ (
-      goog.object.clone(this.frameState_));
+      ol.object.assign({}, this.frameState_));
 
   frameState.viewState = /** @type {olx.ViewState} */ (
-      goog.object.clone(frameState.viewState));
+      ol.object.assign({}, frameState.viewState));
 
   var center = ol.extent.getCenter(extent);
   var width = Math.round(ol.extent.getWidth(extent) / resolution);