diff --git a/src/ol/pointer/mousesource.js b/src/ol/pointer/mousesource.js
index 97dee9c3ca..f9bc5b5864 100644
--- a/src/ol/pointer/mousesource.js
+++ b/src/ol/pointer/mousesource.js
@@ -30,6 +30,7 @@
 
 goog.provide('ol.pointer.MouseSource');
 
+goog.require('goog.object');
 goog.require('ol.pointer.EventSource');
 
 
@@ -48,18 +49,6 @@ ol.pointer.MouseSource = function(dispatcher) {
    */
   this.pointerMap = dispatcher.pointerMap;
 
-  /**
-   * @const
-   * @type {Array.<string>}
-   */
-  this.events = [
-    'mousedown',
-    'mousemove',
-    'mouseup',
-    'mouseover',
-    'mouseout'
-  ];
-
   /**
    * @const
    * @type {Object.<string, function(goog.events.BrowserEvent)>}
@@ -106,7 +95,7 @@ ol.pointer.MouseSource.DEDUP_DIST = 25;
 
 /** @inheritDoc */
 ol.pointer.MouseSource.prototype.getEvents = function() {
-  return this.events;
+  return goog.object.getKeys(this.mapping);
 };
 
 
diff --git a/src/ol/pointer/mssource.js b/src/ol/pointer/mssource.js
index 69e3e3250b..8486a8d61d 100644
--- a/src/ol/pointer/mssource.js
+++ b/src/ol/pointer/mssource.js
@@ -30,6 +30,7 @@
 
 goog.provide('ol.pointer.MsSource');
 
+goog.require('goog.object');
 goog.require('ol.pointer.EventSource');
 
 
@@ -54,21 +55,6 @@ ol.pointer.MsSource = function(dispatcher) {
    */
   this.HAS_BITMAP_TYPE = this.hasBitmapType();
 
-  /**
-   * @const
-   * @type {Array.<string>}
-   */
-  this.events = [
-    'MSPointerDown',
-    'MSPointerMove',
-    'MSPointerUp',
-    'MSPointerOut',
-    'MSPointerOver',
-    'MSPointerCancel',
-    'MSGotPointerCapture',
-    'MSLostPointerCapture'
-  ];
-
   /**
    * @const
    * @type {Object.<string, function(goog.events.BrowserEvent)>}
@@ -101,7 +87,7 @@ goog.inherits(ol.pointer.MsSource, ol.pointer.EventSource);
 
 /** @inheritDoc */
 ol.pointer.MsSource.prototype.getEvents = function() {
-  return this.events;
+  return goog.object.getKeys(this.mapping);
 };
 
 
diff --git a/src/ol/pointer/nativesource.js b/src/ol/pointer/nativesource.js
index f43003903c..470bc393d6 100644
--- a/src/ol/pointer/nativesource.js
+++ b/src/ol/pointer/nativesource.js
@@ -30,6 +30,7 @@
 
 goog.provide('ol.pointer.NativeSource');
 
+goog.require('goog.object');
 goog.require('ol.pointer.EventSource');
 
 
@@ -48,21 +49,6 @@ ol.pointer.NativeSource = function(dispatcher) {
    */
   this.pointerMap = dispatcher.pointerMap;
 
-  /**
-   * @const
-   * @type {Array.<string>}
-   */
-  this.events = [
-    'pointerdown',
-    'pointermove',
-    'pointerup',
-    'pointerout',
-    'pointerover',
-    'pointercancel',
-    'gotpointercapture',
-    'lostpointercapture'
-  ];
-
   /**
    * @const
    * @type {Object.<string, function(goog.events.BrowserEvent)>}
@@ -83,7 +69,7 @@ goog.inherits(ol.pointer.NativeSource, ol.pointer.EventSource);
 
 /** @inheritDoc */
 ol.pointer.NativeSource.prototype.getEvents = function() {
-  return this.events;
+  return goog.object.getKeys(this.mapping);
 };
 
 
diff --git a/src/ol/pointer/touchsource.js b/src/ol/pointer/touchsource.js
index 0fc1434a46..e4113f1c99 100644
--- a/src/ol/pointer/touchsource.js
+++ b/src/ol/pointer/touchsource.js
@@ -32,6 +32,7 @@ goog.provide('ol.pointer.TouchSource');
 
 goog.require('goog.array');
 goog.require('goog.math.Coordinate');
+goog.require('goog.object');
 goog.require('ol.pointer.EventSource');
 
 
@@ -95,17 +96,6 @@ ol.pointer.TouchSource = function(dispatcher, mouseSource) {
    */
   this.resetId_ = null;
 
-  /**
-   * @const
-   * @type {Array.<string>}
-   */
-  this.events = [
-    'touchstart',
-    'touchmove',
-    'touchend',
-    'touchcancel'
-  ];
-
   /**
    * @const
    * @type {Object.<string, function(goog.events.BrowserEvent)>}
@@ -122,7 +112,7 @@ goog.inherits(ol.pointer.TouchSource, ol.pointer.EventSource);
 
 /** @inheritDoc */
 ol.pointer.TouchSource.prototype.getEvents = function() {
-  return this.events;
+  return goog.object.getKeys(this.mapping);
 };