diff --git a/src/ol/color/color.js b/src/ol/color/color.js
index b33768ca52..10775dc3ae 100644
--- a/src/ol/color/color.js
+++ b/src/ol/color/color.js
@@ -11,14 +11,7 @@ goog.require('goog.color');
 goog.require('goog.color.names');
 goog.require('goog.math');
 goog.require('goog.vec.Mat4');
-
-
-/**
- * @define {boolean} Enable named colors.
- * Enabling named colors adds about 3KB uncompressed / 1.5KB compressed to the
- * final build size.
- */
-ol.color.ENABLE_NAMED_COLORS = true;
+goog.require('ol');
 
 
 /**
@@ -212,7 +205,7 @@ ol.color.fromString = (
 ol.color.fromStringInternal_ = function(s) {
 
   var isHex = false;
-  if (ol.color.ENABLE_NAMED_COLORS && goog.color.names.hasOwnProperty(s)) {
+  if (ol.ENABLE_NAMED_COLORS && goog.color.names.hasOwnProperty(s)) {
     // goog.color.names does not have a type declaration, so add a typecast
     s = /** @type {string} */ (goog.color.names[s]);
     isHex = true;
diff --git a/src/ol/control/zoomslidercontrol.js b/src/ol/control/zoomslidercontrol.js
index d10b8d2825..f38ff16cc1 100644
--- a/src/ol/control/zoomslidercontrol.js
+++ b/src/ol/control/zoomslidercontrol.js
@@ -15,18 +15,13 @@ goog.require('goog.fx.Dragger.EventType');
 goog.require('goog.math');
 goog.require('goog.math.Rect');
 goog.require('goog.style');
+goog.require('ol');
 goog.require('ol.animation');
 goog.require('ol.control.Control');
 goog.require('ol.css');
 goog.require('ol.easing');
 
 
-/**
- * @define {number} Animation duration.
- */
-ol.control.ZOOMSLIDER_ANIMATION_DURATION = 200;
-
-
 
 /**
  * A slider type of control for zooming.
@@ -190,7 +185,7 @@ ol.control.ZoomSlider.prototype.handleContainerClick_ = function(browserEvent) {
   goog.asserts.assert(goog.isDef(resolution));
   map.beforeRender(ol.animation.zoom({
     resolution: resolution,
-    duration: ol.control.ZOOMSLIDER_ANIMATION_DURATION,
+    duration: ol.ZOOMSLIDER_ANIMATION_DURATION,
     easing: ol.easing.easeOut
   }));
   resolution = view.constrainResolution(resolution);
@@ -295,7 +290,7 @@ ol.control.ZoomSlider.prototype.handleSliderChange_ = function(e) {
     goog.asserts.assert(goog.isDef(this.currentResolution_));
     map.beforeRender(ol.animation.zoom({
       resolution: this.currentResolution_,
-      duration: ol.control.ZOOMSLIDER_ANIMATION_DURATION,
+      duration: ol.ZOOMSLIDER_ANIMATION_DURATION,
       easing: ol.easing.easeOut
     }));
     resolution = view.constrainResolution(this.currentResolution_);
diff --git a/src/ol/interaction/dragrotateandzoominteraction.js b/src/ol/interaction/dragrotateandzoominteraction.js
index 658b4d99a4..9398710beb 100644
--- a/src/ol/interaction/dragrotateandzoominteraction.js
+++ b/src/ol/interaction/dragrotateandzoominteraction.js
@@ -5,6 +5,7 @@ goog.provide('ol.interaction.DragRotateAndZoom');
 goog.require('goog.asserts');
 goog.require('goog.functions');
 goog.require('goog.math.Vec2');
+goog.require('ol');
 goog.require('ol.ViewHint');
 goog.require('ol.events.ConditionType');
 goog.require('ol.events.condition');
@@ -12,12 +13,6 @@ goog.require('ol.interaction.Interaction');
 goog.require('ol.interaction.Pointer');
 
 
-/**
- * @define {number} Animation duration.
- */
-ol.interaction.DRAGROTATEANDZOOM_ANIMATION_DURATION = 400;
-
-
 
 /**
  * Allows the user to zoom and rotate the map by clicking and dragging
@@ -125,7 +120,7 @@ ol.interaction.DragRotateAndZoom.prototype.handlePointerUp =
   var direction = this.lastScaleDelta_ - 1;
   ol.interaction.Interaction.rotate(map, view2D, view2DState.rotation);
   ol.interaction.Interaction.zoom(map, view2D, view2DState.resolution,
-      undefined, ol.interaction.DRAGROTATEANDZOOM_ANIMATION_DURATION,
+      undefined, ol.DRAGROTATEANDZOOM_ANIMATION_DURATION,
       direction);
   this.lastScaleDelta_ = 0;
   return false;
diff --git a/src/ol/interaction/dragrotateinteraction.js b/src/ol/interaction/dragrotateinteraction.js
index 1f383c41f0..c45595040e 100644
--- a/src/ol/interaction/dragrotateinteraction.js
+++ b/src/ol/interaction/dragrotateinteraction.js
@@ -1,6 +1,7 @@
 goog.provide('ol.interaction.DragRotate');
 
 goog.require('goog.asserts');
+goog.require('ol');
 goog.require('ol.ViewHint');
 goog.require('ol.events.ConditionType');
 goog.require('ol.events.condition');
@@ -8,12 +9,6 @@ goog.require('ol.interaction.Interaction');
 goog.require('ol.interaction.Pointer');
 
 
-/**
- * @define {number} Animation duration.
- */
-ol.interaction.DRAGROTATE_ANIMATION_DURATION = 250;
-
-
 
 /**
  * Allows the user to rotate the map by clicking and dragging on the map,
@@ -93,7 +88,7 @@ ol.interaction.DragRotate.prototype.handlePointerUp =
   var view2D = view.getView2D();
   var view2DState = view2D.getView2DState();
   ol.interaction.Interaction.rotate(map, view2D, view2DState.rotation,
-      undefined, ol.interaction.DRAGROTATE_ANIMATION_DURATION);
+      undefined, ol.DRAGROTATE_ANIMATION_DURATION);
   return false;
 };
 
diff --git a/src/ol/interaction/dragzoominteraction.js b/src/ol/interaction/dragzoominteraction.js
index 5723f1e6b0..befa5d112e 100644
--- a/src/ol/interaction/dragzoominteraction.js
+++ b/src/ol/interaction/dragzoominteraction.js
@@ -1,6 +1,7 @@
 goog.provide('ol.interaction.DragZoom');
 
 goog.require('goog.asserts');
+goog.require('ol');
 goog.require('ol.events.condition');
 goog.require('ol.extent');
 goog.require('ol.interaction.DragBox');
@@ -9,12 +10,6 @@ goog.require('ol.style.Stroke');
 goog.require('ol.style.Style');
 
 
-/**
- * @define {number} Animation duration.
- */
-ol.interaction.DRAGZOOM_ANIMATION_DURATION = 200;
-
-
 
 /**
  * Allows the user to zoom the map by clicking and dragging on the map,
@@ -62,5 +57,5 @@ ol.interaction.DragZoom.prototype.onBoxEnd = function() {
   var center = ol.extent.getCenter(extent);
   ol.interaction.Interaction.zoom(map, view,
       view.getResolutionForExtent(extent, map.getSize()),
-      center, ol.interaction.DRAGZOOM_ANIMATION_DURATION);
+      center, ol.DRAGZOOM_ANIMATION_DURATION);
 };
diff --git a/src/ol/interaction/keyboardpaninteraction.js b/src/ol/interaction/keyboardpaninteraction.js
index 1b9125c0fb..2a2c4fac4c 100644
--- a/src/ol/interaction/keyboardpaninteraction.js
+++ b/src/ol/interaction/keyboardpaninteraction.js
@@ -6,6 +6,7 @@ goog.require('goog.asserts');
 goog.require('goog.events.KeyCodes');
 goog.require('goog.events.KeyHandler.EventType');
 goog.require('goog.functions');
+goog.require('ol');
 goog.require('ol.View2D');
 goog.require('ol.coordinate');
 goog.require('ol.events.ConditionType');
@@ -13,12 +14,6 @@ goog.require('ol.events.condition');
 goog.require('ol.interaction.Interaction');
 
 
-/**
- * @define {number} Pan duration.
- */
-ol.interaction.KEYBOARD_PAN_DURATION = 100;
-
-
 
 /**
  * Allows the user to pan the map using keyboard arrows.
@@ -93,7 +88,7 @@ ol.interaction.KeyboardPan.prototype.handleMapBrowserEvent =
       var delta = [deltaX, deltaY];
       ol.coordinate.rotate(delta, view2DState.rotation);
       ol.interaction.Interaction.pan(
-          map, view, delta, ol.interaction.KEYBOARD_PAN_DURATION);
+          map, view, delta, ol.KEYBOARD_PAN_DURATION);
       mapBrowserEvent.preventDefault();
       stopEvent = true;
     }
diff --git a/src/ol/interaction/mousewheelzoominteraction.js b/src/ol/interaction/mousewheelzoominteraction.js
index cb7db3a2ab..3ba6d97a59 100644
--- a/src/ol/interaction/mousewheelzoominteraction.js
+++ b/src/ol/interaction/mousewheelzoominteraction.js
@@ -6,22 +6,11 @@ goog.require('goog.asserts');
 goog.require('goog.events.MouseWheelEvent');
 goog.require('goog.events.MouseWheelHandler.EventType');
 goog.require('goog.math');
+goog.require('ol');
 goog.require('ol.Coordinate');
 goog.require('ol.interaction.Interaction');
 
 
-/**
- * @define {number} Maximum delta.
- */
-ol.interaction.MOUSEWHEELZOOM_MAXDELTA = 1;
-
-
-/**
- * @define {number} Timeout duration.
- */
-ol.interaction.MOUSEWHEELZOOM_TIMEOUT_DURATION = 80;
-
-
 
 /**
  * Allows the user to zoom the map by scrolling the mouse wheel.
@@ -89,7 +78,7 @@ ol.interaction.MouseWheelZoom.prototype.handleMapBrowserEvent =
       this.startTime_ = goog.now();
     }
 
-    var duration = ol.interaction.MOUSEWHEELZOOM_TIMEOUT_DURATION;
+    var duration = ol.MOUSEWHEELZOOM_TIMEOUT_DURATION;
     var timeLeft = Math.max(duration - (goog.now() - this.startTime_), 0);
 
     goog.global.clearTimeout(this.timeoutId_);
@@ -108,7 +97,7 @@ ol.interaction.MouseWheelZoom.prototype.handleMapBrowserEvent =
  * @param {ol.Map} map Map.
  */
 ol.interaction.MouseWheelZoom.prototype.doZoom_ = function(map) {
-  var maxDelta = ol.interaction.MOUSEWHEELZOOM_MAXDELTA;
+  var maxDelta = ol.MOUSEWHEELZOOM_MAXDELTA;
   var delta = goog.math.clamp(this.delta_, -maxDelta, maxDelta);
 
   // FIXME works for View2D only
diff --git a/src/ol/interaction/pinchrotateinteraction.js b/src/ol/interaction/pinchrotateinteraction.js
index 76c2d5355e..30178accb1 100644
--- a/src/ol/interaction/pinchrotateinteraction.js
+++ b/src/ol/interaction/pinchrotateinteraction.js
@@ -4,18 +4,13 @@ goog.provide('ol.interaction.PinchRotate');
 
 goog.require('goog.asserts');
 goog.require('goog.style');
+goog.require('ol');
 goog.require('ol.Coordinate');
 goog.require('ol.ViewHint');
 goog.require('ol.interaction.Interaction');
 goog.require('ol.interaction.Pointer');
 
 
-/**
- * @define {number} Animation duration.
- */
-ol.interaction.ROTATE_ANIMATION_DURATION = 250;
-
-
 
 /**
  * Allows the user to rotate the map by twisting with two fingers
@@ -131,7 +126,7 @@ ol.interaction.PinchRotate.prototype.handlePointerUp =
       var view2DState = view2D.getView2DState();
       ol.interaction.Interaction.rotate(
           map, view2D, view2DState.rotation, this.anchor_,
-          ol.interaction.ROTATE_ANIMATION_DURATION);
+          ol.ROTATE_ANIMATION_DURATION);
     }
     return false;
   } else {
diff --git a/src/ol/ol.js b/src/ol/ol.js
index e5c94b8da7..e2048e2c82 100644
--- a/src/ol/ol.js
+++ b/src/ol/ol.js
@@ -33,6 +33,30 @@ ol.DEFAULT_TILE_CACHE_HIGH_WATER_MARK = 2048;
 ol.DEFAULT_TILE_SIZE = 256;
 
 
+/**
+ * @define {string} Default WMS version.
+ */
+ol.DEFAULT_WMS_VERSION = '1.3.0';
+
+
+/**
+ * @define {number} Drag-rotate-zoom animation duration.
+ */
+ol.DRAGROTATEANDZOOM_ANIMATION_DURATION = 400;
+
+
+/**
+ * @define {number} Drag-rotate animation duration.
+ */
+ol.DRAGROTATE_ANIMATION_DURATION = 250;
+
+
+/**
+ * @define {number} Drag-zoom animation duration.
+ */
+ol.DRAGZOOM_ANIMATION_DURATION = 200;
+
+
 /**
  * @define {number} Hysterisis pixels.
  */
@@ -57,6 +81,14 @@ ol.ENABLE_DOM = true;
 ol.ENABLE_IMAGE = true;
 
 
+/**
+ * @define {boolean} Enable named colors.
+ * Enabling named colors adds about 3KB uncompressed / 1.5KB compressed to the
+ * final build size.
+ */
+ol.ENABLE_NAMED_COLORS = true;
+
+
 /**
  * @define {boolean} Enable Proj4js.
  */
@@ -104,12 +136,42 @@ ol.IS_LEGACY_IE = goog.userAgent.IE &&
     !goog.userAgent.isVersionOrHigher('9.0') && goog.userAgent.VERSION !== '';
 
 
+/**
+ * @define {number} Keyboard pan duration.
+ */
+ol.KEYBOARD_PAN_DURATION = 100;
+
+
+/**
+ * @define {number} Maximum mouse wheel delta.
+ */
+ol.MOUSEWHEELZOOM_MAXDELTA = 1;
+
+
+/**
+ * @define {number} Mouse wheel timeout duration.
+ */
+ol.MOUSEWHEELZOOM_TIMEOUT_DURATION = 80;
+
+
+/**
+ * @define {number} Rotate animation duration.
+ */
+ol.ROTATE_ANIMATION_DURATION = 250;
+
+
 /**
  * @define {number} Texture cache high water mark.
  */
 ol.WEBGL_TEXTURE_CACHE_HIGH_WATER_MARK = 1024;
 
 
+/**
+ * @define {number} Zoom slider animation duration.
+ */
+ol.ZOOMSLIDER_ANIMATION_DURATION = 200;
+
+
 /**
  * ol.inherits is an alias to the goog.inherits function. It is exported
  * for use in non-compiled application code.
diff --git a/src/ol/source/imagewmssource.js b/src/ol/source/imagewmssource.js
index cdbc7d995a..cddef34393 100644
--- a/src/ol/source/imagewmssource.js
+++ b/src/ol/source/imagewmssource.js
@@ -6,6 +6,7 @@ goog.require('goog.asserts');
 goog.require('goog.object');
 goog.require('goog.string');
 goog.require('goog.uri.utils');
+goog.require('ol');
 goog.require('ol.Image');
 goog.require('ol.extent');
 goog.require('ol.proj');
@@ -150,7 +151,7 @@ ol.source.ImageWMS.prototype.getGetFeatureInfoUrl =
 
   var baseParams = {
     'SERVICE': 'WMS',
-    'VERSION': ol.source.wms.DEFAULT_VERSION,
+    'VERSION': ol.DEFAULT_WMS_VERSION,
     'REQUEST': 'GetFeatureInfo',
     'FORMAT': 'image/png',
     'TRANSPARENT': true,
@@ -208,7 +209,7 @@ ol.source.ImageWMS.prototype.getImage =
 
   var params = {
     'SERVICE': 'WMS',
-    'VERSION': ol.source.wms.DEFAULT_VERSION,
+    'VERSION': ol.DEFAULT_WMS_VERSION,
     'REQUEST': 'GetMap',
     'FORMAT': 'image/png',
     'TRANSPARENT': true
@@ -355,6 +356,6 @@ ol.source.ImageWMS.prototype.updateParams = function(params) {
  */
 ol.source.ImageWMS.prototype.updateV13_ = function() {
   var version =
-      goog.object.get(this.params_, 'VERSION', ol.source.wms.DEFAULT_VERSION);
+      goog.object.get(this.params_, 'VERSION', ol.DEFAULT_WMS_VERSION);
   this.v13_ = goog.string.compareVersions(version, '1.3') >= 0;
 };
diff --git a/src/ol/source/tilewmssource.js b/src/ol/source/tilewmssource.js
index 3bdf0dd4cf..e5f39a3b9b 100644
--- a/src/ol/source/tilewmssource.js
+++ b/src/ol/source/tilewmssource.js
@@ -10,6 +10,7 @@ goog.require('goog.math');
 goog.require('goog.object');
 goog.require('goog.string');
 goog.require('goog.uri.utils');
+goog.require('ol');
 goog.require('ol.TileCoord');
 goog.require('ol.TileUrlFunction');
 goog.require('ol.extent');
@@ -165,7 +166,7 @@ ol.source.TileWMS.prototype.getGetFeatureInfoUrl =
 
   var baseParams = {
     'SERVICE': 'WMS',
-    'VERSION': ol.source.wms.DEFAULT_VERSION,
+    'VERSION': ol.DEFAULT_WMS_VERSION,
     'REQUEST': 'GetFeatureInfo',
     'FORMAT': 'image/png',
     'TRANSPARENT': true,
@@ -373,7 +374,7 @@ ol.source.TileWMS.prototype.tileUrlFunction_ =
 
   var baseParams = {
     'SERVICE': 'WMS',
-    'VERSION': ol.source.wms.DEFAULT_VERSION,
+    'VERSION': ol.DEFAULT_WMS_VERSION,
     'REQUEST': 'GetMap',
     'FORMAT': 'image/png',
     'TRANSPARENT': true
@@ -405,6 +406,6 @@ ol.source.TileWMS.prototype.updateParams = function(params) {
  */
 ol.source.TileWMS.prototype.updateV13_ = function() {
   var version =
-      goog.object.get(this.params_, 'VERSION', ol.source.wms.DEFAULT_VERSION);
+      goog.object.get(this.params_, 'VERSION', ol.DEFAULT_WMS_VERSION);
   this.v13_ = goog.string.compareVersions(version, '1.3') >= 0;
 };
diff --git a/src/ol/source/wmssource.js b/src/ol/source/wmssource.js
index 1c19281272..def6b908ba 100644
--- a/src/ol/source/wmssource.js
+++ b/src/ol/source/wmssource.js
@@ -2,12 +2,6 @@ goog.provide('ol.source.wms');
 goog.provide('ol.source.wms.ServerType');
 
 
-/**
- * @define {string} WMS default version.
- */
-ol.source.wms.DEFAULT_VERSION = '1.3.0';
-
-
 /**
  * @enum {string}
  */