diff --git a/src/ol/format/igc.js b/src/ol/format/igc.js
index 907673eb3a..6f03844c1e 100644
--- a/src/ol/format/igc.js
+++ b/src/ol/format/igc.js
@@ -223,3 +223,11 @@ ol.format.IGC.prototype.writeFeaturesText = function(features, opt_options) {};
  * @inheritDoc
  */
 ol.format.IGC.prototype.writeGeometryText = function(geometry, opt_options) {};
+
+
+/**
+ * @override
+ */
+ol.format.IGC.prototype.readGeometryFromText = function() {
+  throw new Error('Not implemented');
+};
diff --git a/src/ol/format/mvt.js b/src/ol/format/mvt.js
index c3217627fb..64d113bbce 100644
--- a/src/ol/format/mvt.js
+++ b/src/ol/format/mvt.js
@@ -253,3 +253,43 @@ ol.format.MVT.readGeometry_ = function(rawFeature) {
 
   return geom;
 };
+
+
+/**
+ * @override
+ */
+ol.format.MVT.prototype.readFeature = function() {
+  throw new Error('Not implemented');
+};
+
+
+/**
+ * @override
+ */
+ol.format.MVT.prototype.readGeometry = function() {
+  throw new Error('Not implemented');
+};
+
+
+/**
+ * @override
+ */
+ol.format.MVT.prototype.writeFeature = function() {
+  throw new Error('Not implemented');
+};
+
+
+/**
+ * @override
+ */
+ol.format.MVT.prototype.writeGeometry = function() {
+  throw new Error('Not implemented');
+};
+
+
+/**
+ * @override
+ */
+ol.format.MVT.prototype.writeFeatures = function() {
+  throw new Error('Not implemented');
+};
diff --git a/src/ol/format/topojson.js b/src/ol/format/topojson.js
index c52f2b31f7..97d23bc240 100644
--- a/src/ol/format/topojson.js
+++ b/src/ol/format/topojson.js
@@ -416,3 +416,19 @@ ol.format.TopoJSON.prototype.writeFeaturesObject = function(features, opt_option
  * @inheritDoc
  */
 ol.format.TopoJSON.prototype.writeGeometryObject = function(geometry, opt_options) {};
+
+
+/**
+ * @override
+ */
+ol.format.TopoJSON.prototype.readGeometryFromObject = function() {
+  throw new Error('Not implemented');
+};
+
+
+/**
+ * @override
+ */
+ol.format.TopoJSON.prototype.readFeatureFromObject = function() {
+  throw new Error('Not implemented');
+};
diff --git a/src/ol/format/xmlfeature.js b/src/ol/format/xmlfeature.js
index 8c02308f2d..ec57f14c3f 100644
--- a/src/ol/format/xmlfeature.js
+++ b/src/ol/format/xmlfeature.js
@@ -7,6 +7,9 @@ goog.require('ol.format.FormatType');
 goog.require('ol.xml');
 
 
+/* eslint-disable valid-jsdoc */
+
+
 /**
  * @classdesc
  * Abstract base class; normally only used for creating subclasses and not
@@ -73,12 +76,13 @@ ol.format.XMLFeature.prototype.readFeatureFromDocument = function(
 
 
 /**
- * @abstract
  * @param {Node} node Node.
  * @param {olx.format.ReadOptions=} opt_options Options.
  * @return {ol.Feature} Feature.
  */
-ol.format.XMLFeature.prototype.readFeatureFromNode = function(node, opt_options) {};
+ol.format.XMLFeature.prototype.readFeatureFromNode = function(node, opt_options) {
+  throw new Error('Not implemented');
+};
 
 
 /**
@@ -148,23 +152,25 @@ ol.format.XMLFeature.prototype.readGeometry = function(source, opt_options) {
 
 
 /**
- * @abstract
  * @param {Document} doc Document.
  * @param {olx.format.ReadOptions=} opt_options Options.
  * @protected
  * @return {ol.geom.Geometry} Geometry.
  */
-ol.format.XMLFeature.prototype.readGeometryFromDocument = function(doc, opt_options) {};
+ol.format.XMLFeature.prototype.readGeometryFromDocument = function(doc, opt_options) {
+  throw new Error('Not implemented');
+};
 
 
 /**
- * @abstract
  * @param {Node} node Node.
  * @param {olx.format.ReadOptions=} opt_options Options.
  * @protected
  * @return {ol.geom.Geometry} Geometry.
  */
-ol.format.XMLFeature.prototype.readGeometryFromNode = function(node, opt_options) {};
+ol.format.XMLFeature.prototype.readGeometryFromNode = function(node, opt_options) {
+  throw new Error('Not implemented');
+};
 
 
 /**
@@ -214,13 +220,14 @@ ol.format.XMLFeature.prototype.writeFeature = function(feature, opt_options) {
 
 
 /**
- * @abstract
  * @param {ol.Feature} feature Feature.
  * @param {olx.format.WriteOptions=} opt_options Options.
  * @protected
  * @return {Node} Node.
  */
-ol.format.XMLFeature.prototype.writeFeatureNode = function(feature, opt_options) {};
+ol.format.XMLFeature.prototype.writeFeatureNode = function(feature, opt_options) {
+  throw new Error('Not implemented');
+};
 
 
 /**
@@ -233,12 +240,13 @@ ol.format.XMLFeature.prototype.writeFeatures = function(features, opt_options) {
 
 
 /**
- * @abstract
  * @param {Array.<ol.Feature>} features Features.
  * @param {olx.format.WriteOptions=} opt_options Options.
  * @return {Node} Node.
  */
-ol.format.XMLFeature.prototype.writeFeaturesNode = function(features, opt_options) {};
+ol.format.XMLFeature.prototype.writeFeaturesNode = function(features, opt_options) {
+  throw new Error('Not implemented');
+};
 
 
 /**
@@ -251,9 +259,10 @@ ol.format.XMLFeature.prototype.writeGeometry = function(geometry, opt_options) {
 
 
 /**
- * @abstract
  * @param {ol.geom.Geometry} geometry Geometry.
  * @param {olx.format.WriteOptions=} opt_options Options.
  * @return {Node} Node.
  */
-ol.format.XMLFeature.prototype.writeGeometryNode = function(geometry, opt_options) {};
+ol.format.XMLFeature.prototype.writeGeometryNode = function(geometry, opt_options) {
+  throw new Error('Not implemented');
+};
diff --git a/src/ol/interaction/draganddrop.js b/src/ol/interaction/draganddrop.js
index f2973371b0..25dbcf771b 100644
--- a/src/ol/interaction/draganddrop.js
+++ b/src/ol/interaction/draganddrop.js
@@ -101,11 +101,19 @@ ol.interaction.DragAndDrop.prototype.handleResult_ = function(file, event) {
     var view = map.getView();
     projection = view.getProjection();
   }
+
   var formatConstructors = this.formatConstructors_;
   var features = [];
   var i, ii;
   for (i = 0, ii = formatConstructors.length; i < ii; ++i) {
+    /**
+     * Avoid "cannot instantiate abstract class" error.
+     * @type {Function}
+     */
     var formatConstructor = formatConstructors[i];
+    /**
+     * @type {ol.format.Feature}
+     */
     var format = new formatConstructor();
     features = this.tryReadFeatures_(format, result, {
       featureProjection: projection
diff --git a/src/ol/map.js b/src/ol/map.js
index 88e2265bf4..3c235faa03 100644
--- a/src/ol/map.js
+++ b/src/ol/map.js
@@ -331,7 +331,7 @@ ol.Map = function(options) {
    * @type {ol.renderer.Map}
    * @private
    */
-  this.renderer_ = new optionsInternal.rendererConstructor(this.viewport_, this);
+  this.renderer_ = new /** @type {Function} */ (optionsInternal.rendererConstructor)(this.viewport_, this);
 
   /**
    * @type {function(Event)|undefined}
diff --git a/src/ol/render/webgl/replaygroup.js b/src/ol/render/webgl/replaygroup.js
index ad5e2db400..8312118ee8 100644
--- a/src/ol/render/webgl/replaygroup.js
+++ b/src/ol/render/webgl/replaygroup.js
@@ -109,6 +109,9 @@ if (ol.ENABLE_WEBGL) {
     }
     var replay = replays[replayType];
     if (replay === undefined) {
+      /**
+       * @type {Function}
+       */
       var Constructor = ol.render.webgl.ReplayGroup.BATCH_CONSTRUCTORS_[replayType];
       replay = new Constructor(this.tolerance_, this.maxExtent_);
       replays[replayType] = replay;
diff --git a/src/ol/source/raster.js b/src/ol/source/raster.js
index 0ef86ebe39..0d6e95ca5f 100644
--- a/src/ol/source/raster.js
+++ b/src/ol/source/raster.js
@@ -485,6 +485,14 @@ ol.source.Raster.Event = function(type, frameState, data) {
 ol.inherits(ol.source.Raster.Event, ol.events.Event);
 
 
+/**
+ * @override
+ */
+ol.source.Raster.prototype.getImageInternal = function() {
+  throw new Error('Not implemented');
+};
+
+
 /**
  * @enum {string}
  * @private