diff --git a/src/ol/layer/layerbase.js b/src/ol/layer/layerbase.js
index a7722e84d2..c1aca6f463 100644
--- a/src/ol/layer/layerbase.js
+++ b/src/ol/layer/layerbase.js
@@ -87,13 +87,12 @@ goog.inherits(ol.layer.Base, ol.Object);
 
 
 /**
- * @return {number|undefined} The brightness of the layer.
+ * @return {number} The brightness of the layer.
  * @observable
  * @api
  */
 ol.layer.Base.prototype.getBrightness = function() {
-  return /** @type {number|undefined} */ (
-      this.get(ol.layer.LayerProperty.BRIGHTNESS));
+  return /** @type {number} */ (this.get(ol.layer.LayerProperty.BRIGHTNESS));
 };
 goog.exportProperty(
     ol.layer.Base.prototype,
@@ -102,13 +101,12 @@ goog.exportProperty(
 
 
 /**
- * @return {number|undefined} The contrast of the layer.
+ * @return {number} The contrast of the layer.
  * @observable
  * @api
  */
 ol.layer.Base.prototype.getContrast = function() {
-  return /** @type {number|undefined} */ (
-      this.get(ol.layer.LayerProperty.CONTRAST));
+  return /** @type {number} */ (this.get(ol.layer.LayerProperty.CONTRAST));
 };
 goog.exportProperty(
     ol.layer.Base.prototype,
@@ -117,12 +115,12 @@ goog.exportProperty(
 
 
 /**
- * @return {number|undefined} The hue of the layer.
+ * @return {number} The hue of the layer.
  * @observable
  * @api
  */
 ol.layer.Base.prototype.getHue = function() {
-  return /** @type {number|undefined} */ (this.get(ol.layer.LayerProperty.HUE));
+  return /** @type {number} */ (this.get(ol.layer.LayerProperty.HUE));
 };
 goog.exportProperty(
     ol.layer.Base.prototype,
@@ -146,16 +144,16 @@ ol.layer.Base.prototype.getLayerState = function() {
   var minResolution = this.getMinResolution();
   return {
     layer: /** @type {ol.layer.Layer} */ (this),
-    brightness: goog.isDef(brightness) ? goog.math.clamp(brightness, -1, 1) : 0,
-    contrast: goog.isDef(contrast) ? Math.max(contrast, 0) : 1,
-    hue: goog.isDef(hue) ? hue : 0,
-    opacity: goog.isDef(opacity) ? goog.math.clamp(opacity, 0, 1) : 1,
-    saturation: goog.isDef(saturation) ? Math.max(saturation, 0) : 1,
+    brightness: goog.math.clamp(brightness, -1, 1),
+    contrast: Math.max(contrast, 0),
+    hue: hue,
+    opacity: goog.math.clamp(opacity, 0, 1),
+    saturation: Math.max(saturation, 0),
     sourceState: sourceState,
-    visible: goog.isDef(visible) ? !!visible : true,
+    visible: visible,
     extent: extent,
-    maxResolution: goog.isDef(maxResolution) ? maxResolution : Infinity,
-    minResolution: goog.isDef(minResolution) ? Math.max(minResolution, 0) : 0
+    maxResolution: maxResolution,
+    minResolution: Math.max(minResolution, 0)
   };
 };
 
@@ -192,12 +190,12 @@ goog.exportProperty(
 
 
 /**
- * @return {number|undefined} The maximum resolution of the layer.
+ * @return {number} The maximum resolution of the layer.
  * @observable
  * @api stable
  */
 ol.layer.Base.prototype.getMaxResolution = function() {
-  return /** @type {number|undefined} */ (
+  return /** @type {number} */ (
       this.get(ol.layer.LayerProperty.MAX_RESOLUTION));
 };
 goog.exportProperty(
@@ -207,12 +205,12 @@ goog.exportProperty(
 
 
 /**
- * @return {number|undefined} The minimum resolution of the layer.
+ * @return {number} The minimum resolution of the layer.
  * @observable
  * @api stable
  */
 ol.layer.Base.prototype.getMinResolution = function() {
-  return /** @type {number|undefined} */ (
+  return /** @type {number} */ (
       this.get(ol.layer.LayerProperty.MIN_RESOLUTION));
 };
 goog.exportProperty(
@@ -222,13 +220,12 @@ goog.exportProperty(
 
 
 /**
- * @return {number|undefined} The opacity of the layer.
+ * @return {number} The opacity of the layer.
  * @observable
  * @api stable
  */
 ol.layer.Base.prototype.getOpacity = function() {
-  return /** @type {number|undefined} */ (
-      this.get(ol.layer.LayerProperty.OPACITY));
+  return /** @type {number} */ (this.get(ol.layer.LayerProperty.OPACITY));
 };
 goog.exportProperty(
     ol.layer.Base.prototype,
@@ -237,13 +234,12 @@ goog.exportProperty(
 
 
 /**
- * @return {number|undefined} The saturation of the layer.
+ * @return {number} The saturation of the layer.
  * @observable
  * @api
  */
 ol.layer.Base.prototype.getSaturation = function() {
-  return /** @type {number|undefined} */ (
-      this.get(ol.layer.LayerProperty.SATURATION));
+  return /** @type {number} */ (this.get(ol.layer.LayerProperty.SATURATION));
 };
 goog.exportProperty(
     ol.layer.Base.prototype,
@@ -258,13 +254,12 @@ ol.layer.Base.prototype.getSourceState = goog.abstractMethod;
 
 
 /**
- * @return {boolean|undefined} The visiblity of the layer.
+ * @return {boolean} The visibility of the layer.
  * @observable
  * @api stable
  */
 ol.layer.Base.prototype.getVisible = function() {
-  return /** @type {boolean|undefined} */ (
-      this.get(ol.layer.LayerProperty.VISIBLE));
+  return /** @type {boolean} */ (this.get(ol.layer.LayerProperty.VISIBLE));
 };
 goog.exportProperty(
     ol.layer.Base.prototype,
@@ -290,7 +285,7 @@ goog.exportProperty(
  * [2] https://github.com/WebKit/webkit/commit/8f4765e569
  * [3] https://www.w3.org/Bugs/Public/show_bug.cgi?id=15647
  *
- * @param {number|undefined} brightness The brightness of the layer.
+ * @param {number} brightness The brightness of the layer.
  * @observable
  * @api
  */
@@ -308,7 +303,7 @@ goog.exportProperty(
  * grey.  A value of 1 will leave the contrast unchanged.  Other values are
  * linear multipliers on the effect (and values over 1 are permitted).
  *
- * @param {number|undefined} contrast The contrast of the layer.
+ * @param {number} contrast The contrast of the layer.
  * @observable
  * @api
  */
@@ -324,7 +319,7 @@ goog.exportProperty(
 /**
  * Apply a hue-rotation to the layer.  A value of 0 will leave the hue
  * unchanged.  Other values are radians around the color circle.
- * @param {number|undefined} hue The hue of the layer.
+ * @param {number} hue The hue of the layer.
  * @observable
  * @api
  */
@@ -354,7 +349,7 @@ goog.exportProperty(
 
 
 /**
- * @param {number|undefined} maxResolution The maximum resolution of the layer.
+ * @param {number} maxResolution The maximum resolution of the layer.
  * @observable
  * @api stable
  */
@@ -368,7 +363,7 @@ goog.exportProperty(
 
 
 /**
- * @param {number|undefined} minResolution The minimum resolution of the layer.
+ * @param {number} minResolution The minimum resolution of the layer.
  * @observable
  * @api stable
  */
@@ -382,7 +377,7 @@ goog.exportProperty(
 
 
 /**
- * @param {number|undefined} opacity The opacity of the layer.
+ * @param {number} opacity The opacity of the layer.
  * @observable
  * @api stable
  */
@@ -401,7 +396,7 @@ goog.exportProperty(
  * values are linear multipliers of the effect (and values over 1 are
  * permitted).
  *
- * @param {number|undefined} saturation The saturation of the layer.
+ * @param {number} saturation The saturation of the layer.
  * @observable
  * @api
  */
@@ -415,7 +410,7 @@ goog.exportProperty(
 
 
 /**
- * @param {boolean|undefined} visible The visiblity of the layer.
+ * @param {boolean} visible The visibility of the layer.
  * @observable
  * @api stable
  */
diff --git a/test/spec/ol/layer/layer.test.js b/test/spec/ol/layer/layer.test.js
index 93cee8f404..3ab583d9d6 100644
--- a/test/spec/ol/layer/layer.test.js
+++ b/test/spec/ol/layer/layer.test.js
@@ -46,6 +46,14 @@ describe('ol.layer.Layer', function() {
       expect(layer.getVisible()).to.be(true);
     });
 
+    it('provides default max resolution', function() {
+      expect(layer.getMaxResolution()).to.be(Infinity);
+    });
+
+    it('provides default min resolution', function() {
+      expect(layer.getMinResolution()).to.be(0);
+    });
+
     it('provides default layerState', function() {
       expect(layer.getLayerState()).to.eql({
         layer: layer,