diff --git a/examples/bind-input.js b/examples/bind-input.js
index dcce625a99..1f0fd6bb1a 100644
--- a/examples/bind-input.js
+++ b/examples/bind-input.js
@@ -4,7 +4,7 @@ goog.require('ol.View2D');
 goog.require('ol.dom.Input');
 goog.require('ol.layer.Tile');
 goog.require('ol.source.OSM');
-goog.require('ol.webgl.SUPPORTED');
+goog.require('ol.webgl');
 
 
 if (!ol.webgl.SUPPORTED) {
diff --git a/examples/brightness-contrast.js b/examples/brightness-contrast.js
index 4a0129c952..d07824fcf6 100644
--- a/examples/brightness-contrast.js
+++ b/examples/brightness-contrast.js
@@ -3,7 +3,7 @@ goog.require('ol.RendererHint');
 goog.require('ol.View2D');
 goog.require('ol.layer.Tile');
 goog.require('ol.source.MapQuestOpenAerial');
-goog.require('ol.webgl.SUPPORTED');
+goog.require('ol.webgl');
 
 
 function setResetBrightnessButtonHTML() {
diff --git a/examples/hue-saturation.js b/examples/hue-saturation.js
index db601aa679..d0eb5f9ba1 100644
--- a/examples/hue-saturation.js
+++ b/examples/hue-saturation.js
@@ -4,7 +4,7 @@ goog.require('ol.View2D');
 goog.require('ol.layer.Tile');
 goog.require('ol.proj');
 goog.require('ol.source.BingMaps');
-goog.require('ol.webgl.SUPPORTED');
+goog.require('ol.webgl');
 
 
 function setResetHueButtonHTML() {
diff --git a/examples/side-by-side.js b/examples/side-by-side.js
index 7e513999e1..afa8425cc7 100644
--- a/examples/side-by-side.js
+++ b/examples/side-by-side.js
@@ -3,7 +3,7 @@ goog.require('ol.RendererHint');
 goog.require('ol.View2D');
 goog.require('ol.layer.Tile');
 goog.require('ol.source.MapQuestOpenAerial');
-goog.require('ol.webgl.SUPPORTED');
+goog.require('ol.webgl');
 
 
 var domMap = new ol.Map({
diff --git a/examples/ten-thousand-points.js b/examples/ten-thousand-points.js
index 301d34be56..58f59f1bcb 100644
--- a/examples/ten-thousand-points.js
+++ b/examples/ten-thousand-points.js
@@ -9,7 +9,7 @@ goog.require('ol.layer.Tile');
 goog.require('ol.layer.Vector2');
 goog.require('ol.source.OSM');
 goog.require('ol.source.Vector2');
-goog.require('ol.webgl.SUPPORTED');
+goog.require('ol.webgl');
 
 
 // WARNING
diff --git a/src/ol/canvas/canvas.exports b/src/ol/canvas/canvas.exports
deleted file mode 100644
index dd557e9681..0000000000
--- a/src/ol/canvas/canvas.exports
+++ /dev/null
@@ -1 +0,0 @@
-@exportSymbol ol.canvas.SUPPORTED
diff --git a/src/ol/canvas/canvas.js b/src/ol/canvas/canvas.js
index 0cf1dad4a9..266718953d 100644
--- a/src/ol/canvas/canvas.js
+++ b/src/ol/canvas/canvas.js
@@ -1,5 +1,4 @@
 goog.provide('ol.canvas');
-goog.provide('ol.canvas.SUPPORTED');
 
 goog.require('goog.dom');
 goog.require('goog.dom.TagName');
diff --git a/src/ol/deviceorientation.exports b/src/ol/deviceorientation.exports
index 05be8f4887..6988135399 100644
--- a/src/ol/deviceorientation.exports
+++ b/src/ol/deviceorientation.exports
@@ -1,2 +1 @@
 @exportClass ol.DeviceOrientation ol.DeviceOrientationOptions
-@exportSymbol ol.DeviceOrientation.SUPPORTED
diff --git a/src/ol/deviceorientation.js b/src/ol/deviceorientation.js
index a9660d1119..72b5bb5e18 100644
--- a/src/ol/deviceorientation.js
+++ b/src/ol/deviceorientation.js
@@ -1,5 +1,4 @@
 goog.provide('ol.DeviceOrientation');
-goog.provide('ol.DeviceOrientation.SUPPORTED');
 goog.provide('ol.DeviceOrientationProperty');
 
 goog.require('goog.events');
@@ -107,6 +106,10 @@ ol.DeviceOrientation.prototype.disposeInternal = function() {
  * @type {boolean}
  */
 ol.DeviceOrientation.SUPPORTED = 'DeviceOrientationEvent' in window;
+goog.exportProperty(
+    ol.DeviceOrientation,
+    'SUPPORTED',
+    ol.DeviceOrientation.SUPPORTED);
 
 
 /**
diff --git a/src/ol/geolocation.exports b/src/ol/geolocation.exports
index 7065040bdc..18d54d9805 100644
--- a/src/ol/geolocation.exports
+++ b/src/ol/geolocation.exports
@@ -1,2 +1 @@
 @exportClass ol.Geolocation ol.GeolocationOptions
-@exportSymbol ol.Geolocation.SUPPORTED
diff --git a/src/ol/geolocation.js b/src/ol/geolocation.js
index 601baf1599..5b7f55f66d 100644
--- a/src/ol/geolocation.js
+++ b/src/ol/geolocation.js
@@ -1,7 +1,6 @@
 // FIXME handle geolocation not supported
 
 goog.provide('ol.Geolocation');
-goog.provide('ol.Geolocation.SUPPORTED');
 goog.provide('ol.GeolocationProperty');
 
 goog.require('goog.events');
@@ -143,6 +142,10 @@ ol.Geolocation.prototype.handleTrackingChanged_ = function() {
  * @type {boolean}
  */
 ol.Geolocation.SUPPORTED = 'geolocation' in goog.global.navigator;
+goog.exportProperty(
+    ol.Geolocation,
+    'SUPPORTED',
+    ol.Geolocation.SUPPORTED);
 
 
 /**
diff --git a/src/ol/map.js b/src/ol/map.js
index f5ac50a136..d19a1c1655 100644
--- a/src/ol/map.js
+++ b/src/ol/map.js
@@ -58,12 +58,12 @@ goog.require('ol.layer.Group');
 goog.require('ol.proj');
 goog.require('ol.proj.common');
 goog.require('ol.renderer.Map');
+goog.require('ol.renderer.canvas');
 goog.require('ol.renderer.canvas.Map');
-goog.require('ol.renderer.canvas.SUPPORTED');
+goog.require('ol.renderer.dom');
 goog.require('ol.renderer.dom.Map');
-goog.require('ol.renderer.dom.SUPPORTED');
+goog.require('ol.renderer.webgl');
 goog.require('ol.renderer.webgl.Map');
-goog.require('ol.renderer.webgl.SUPPORTED');
 goog.require('ol.structs.PriorityQueue');
 goog.require('ol.vec.Mat4');
 
diff --git a/src/ol/renderer/canvas/canvasrenderer.js b/src/ol/renderer/canvas/canvasrenderer.js
index 412f4757cd..705283e37f 100644
--- a/src/ol/renderer/canvas/canvasrenderer.js
+++ b/src/ol/renderer/canvas/canvasrenderer.js
@@ -1,6 +1,6 @@
-goog.provide('ol.renderer.canvas.SUPPORTED');
+goog.provide('ol.renderer.canvas');
 
-goog.require('ol.canvas.SUPPORTED');
+goog.require('ol.canvas');
 
 
 /**
diff --git a/src/ol/renderer/dom/domrenderer.js b/src/ol/renderer/dom/domrenderer.js
index 4585ea8bf6..4f2f98d043 100644
--- a/src/ol/renderer/dom/domrenderer.js
+++ b/src/ol/renderer/dom/domrenderer.js
@@ -1,4 +1,4 @@
-goog.provide('ol.renderer.dom.SUPPORTED');
+goog.provide('ol.renderer.dom');
 
 
 /**
diff --git a/src/ol/renderer/webgl/webglrenderer.js b/src/ol/renderer/webgl/webglrenderer.js
index 3e95ff7e3f..eb1871d9a6 100644
--- a/src/ol/renderer/webgl/webglrenderer.js
+++ b/src/ol/renderer/webgl/webglrenderer.js
@@ -1,6 +1,6 @@
-goog.provide('ol.renderer.webgl.SUPPORTED');
+goog.provide('ol.renderer.webgl');
 
-goog.require('ol.webgl.SUPPORTED');
+goog.require('ol.webgl');
 
 
 /**
diff --git a/src/ol/webgl/webgl.exports b/src/ol/webgl/webgl.exports
deleted file mode 100644
index e0e5ef70f0..0000000000
--- a/src/ol/webgl/webgl.exports
+++ /dev/null
@@ -1 +0,0 @@
-@exportSymbol ol.webgl.SUPPORTED
diff --git a/src/ol/webgl/webgl.js b/src/ol/webgl/webgl.js
index cd785cb5d2..88d7919a54 100644
--- a/src/ol/webgl/webgl.js
+++ b/src/ol/webgl/webgl.js
@@ -1,5 +1,4 @@
 goog.provide('ol.webgl');
-goog.provide('ol.webgl.SUPPORTED');
 goog.provide('ol.webgl.WebGLContextEventType');
 
 goog.require('goog.dom');
@@ -64,3 +63,4 @@ ol.webgl.SUPPORTED = (function() {
     return false;
   }
 })();
+goog.exportSymbol('ol.webgl.SUPPORTED', ol.webgl.SUPPORTED);