diff --git a/changelog/upgrade-notes.md b/changelog/upgrade-notes.md
index b9fd930d7e..edf992bf7e 100644
--- a/changelog/upgrade-notes.md
+++ b/changelog/upgrade-notes.md
@@ -31,6 +31,10 @@ and calling it before using projections, and any time the proj4 registry was cha
 register(proj4);
 ```
 
+#### Removal of logos
+
+The map and sources no longer accept a `logo` option.  Instead, if you wish to append a logo to your map, add the desired markup directly in your HTML.  In addition, you can use the `attributions` property of a source to display arbitrary markup per-source with the attribution control.
+
 ### v4.6.0
 
 #### Renamed `exceedLength` option of `ol.style.Text` to `overflow`
diff --git a/css/ol.css b/css/ol.css
index 94cdaaaa66..4deaf032b5 100644
--- a/css/ol.css
+++ b/css/ol.css
@@ -179,9 +179,6 @@
 .ol-attribution.ol-collapsed ul {
   display: none;
 }
-.ol-attribution.ol-logo-only ul {
-  display: block;
-}
 .ol-attribution:not(.ol-collapsed) {
   background: rgba(255,255,255,0.8);
 }
@@ -192,17 +189,10 @@
   height: 1.1em;
   line-height: 1em;
 }
-.ol-attribution.ol-logo-only {
-  background: transparent;
-  bottom: .4em;
-  height: 1.1em;
-  line-height: 1em;
-}
 .ol-attribution.ol-uncollapsible img {
   margin-top: -.2em;
   max-height: 1.6em;
 }
-.ol-attribution.ol-logo-only button,
 .ol-attribution.ol-uncollapsible button {
   display: none;
 }
diff --git a/doc/errors/index.md b/doc/errors/index.md
index 4d7770b509..42a135e256 100644
--- a/doc/errors/index.md
+++ b/doc/errors/index.md
@@ -165,14 +165,6 @@ Expected an `ol.style.Style` or an array of `ol.style.Style`.
 
 Expected `layers` to be an array or an `ol.Collection`.
 
-### 44
-
-`logo.href` should be a string.
-
-### 45
-
-`logo.src` should be a string.
-
 ### 46
 
 Incorrect format for `renderer` option.
diff --git a/examples/custom-icon.html b/examples/custom-icon.html
deleted file mode 100644
index e4fa79f342..0000000000
--- a/examples/custom-icon.html
+++ /dev/null
@@ -1,9 +0,0 @@
----
-layout: example.html
-title: Custom Icon
-shortdesc: Example using a custom attribution icon object
-docs: >
-  This example creates a custom element for the attribution icon
-tags: "icon, element"
----
-<div id="map" class="map"><div id="popup"></div></div>
diff --git a/examples/custom-icon.js b/examples/custom-icon.js
deleted file mode 100644
index b2f3f4ad43..0000000000
--- a/examples/custom-icon.js
+++ /dev/null
@@ -1,27 +0,0 @@
-import _ol_Map_ from '../src/ol/Map.js';
-import _ol_View_ from '../src/ol/View.js';
-import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
-import _ol_source_OSM_ from '../src/ol/source/OSM.js';
-
-var logoElement = document.createElement('a');
-logoElement.href = 'https://www.osgeo.org/';
-logoElement.target = '_blank';
-
-var logoImage = document.createElement('img');
-logoImage.src = 'https://www.osgeo.org/sites/all/themes/osgeo/logo.png';
-
-logoElement.appendChild(logoImage);
-
-var map = new _ol_Map_({
-  layers: [
-    new _ol_layer_Tile_({
-      source: new _ol_source_OSM_()
-    })
-  ],
-  target: 'map',
-  view: new _ol_View_({
-    center: [0, 0],
-    zoom: 2
-  }),
-  logo: logoElement
-});
diff --git a/examples/image-load-events.js b/examples/image-load-events.js
index 082b2f158a..3ffc6715e5 100644
--- a/examples/image-load-events.js
+++ b/examples/image-load-events.js
@@ -95,7 +95,6 @@ source.on('imageloaderror', function() {
 });
 
 var map = new _ol_Map_({
-  logo: false,
   layers: [
     new _ol_layer_Image_({source: source})
   ],
diff --git a/examples/tile-load-events.js b/examples/tile-load-events.js
index c7be28be85..b829b4688e 100644
--- a/examples/tile-load-events.js
+++ b/examples/tile-load-events.js
@@ -94,7 +94,6 @@ source.on('tileloaderror', function() {
 });
 
 var map = new _ol_Map_({
-  logo: false,
   layers: [
     new _ol_layer_Tile_({source: source})
   ],
diff --git a/externs/bingmaps.js b/externs/bingmaps.js
index d38bb4e42e..b993a4ee47 100644
--- a/externs/bingmaps.js
+++ b/externs/bingmaps.js
@@ -3,7 +3,6 @@
  */
 
 
-
 /**
  * @constructor
  */
@@ -28,7 +27,6 @@ BingMapsCoverageArea.prototype.zoomMax;
 BingMapsCoverageArea.prototype.zoomMin;
 
 
-
 /**
  * @constructor
  */
@@ -47,7 +45,6 @@ BingMapsImageryProvider.prototype.attribution;
 BingMapsImageryProvider.prototype.coverageAreas;
 
 
-
 /**
  * @constructor
  */
@@ -60,12 +57,6 @@ var BingMapsImageryMetadataResponse = function() {};
 BingMapsImageryMetadataResponse.prototype.authenticationResultCode;
 
 
-/**
- * @type {string}
- */
-BingMapsImageryMetadataResponse.prototype.brandLogoUri;
-
-
 /**
  * @type {string}
  */
@@ -96,7 +87,6 @@ BingMapsImageryMetadataResponse.prototype.statusDescription;
 BingMapsImageryMetadataResponse.prototype.traceId;
 
 
-
 /**
  * @constructor
  */
@@ -157,7 +147,6 @@ BingMapsResource.prototype.zoomMax;
 BingMapsResource.prototype.zoomMin;
 
 
-
 /**
  * @constructor
  */
diff --git a/externs/olx.js b/externs/olx.js
index bbe90a7adc..7b95c97a5b 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -5,29 +5,6 @@
 var olx;
 
 
-/**
- * Object literal with config options for the map logo.
- * @typedef {{href: (string), src: (string)}}
- */
-olx.LogoOptions;
-
-
-/**
- * Link url for the logo. Will be followed when the logo is clicked.
- * @type {string}
- * @api
- */
-olx.LogoOptions.prototype.href;
-
-
-/**
- * Image src for the logo.
- * @type {string}
- * @api
- */
-olx.LogoOptions.prototype.src;
-
-
 /**
  * Options for tile constructors.
  * @typedef {{transition: (number|undefined)}}
@@ -4177,7 +4154,6 @@ olx.source.BingMapsOptions.prototype.transition;
  *     extent: (ol.Extent|undefined),
  *     format: (ol.format.Feature|undefined),
  *     geometryFunction: (undefined|function(ol.Feature):ol.geom.Point),
- *     logo: (string|undefined),
  *     projection: ol.ProjectionLike,
  *     source: ol.source.Vector,
  *     wrapX: (boolean|undefined)}}
@@ -4236,14 +4212,6 @@ olx.source.ClusterOptions.prototype.geometryFunction;
 olx.source.ClusterOptions.prototype.format;
 
 
-/**
- * Logo.
- * @type {string|undefined}
- * @api
- */
-olx.source.ClusterOptions.prototype.logo;
-
-
 /**
  * Projection.
  * @type {ol.ProjectionLike}
@@ -4321,7 +4289,6 @@ olx.source.TileUTFGridOptions.prototype.url;
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *            cacheSize: (number|undefined),
  *            crossOrigin: (null|string|undefined),
- *            logo: (string|olx.LogoOptions|undefined),
  *            opaque: (boolean|undefined),
  *            projection: ol.ProjectionLike,
  *            reprojectionErrorThreshold: (number|undefined),
@@ -4369,14 +4336,6 @@ olx.source.TileImageOptions.prototype.cacheSize;
 olx.source.TileImageOptions.prototype.crossOrigin;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.TileImageOptions.prototype.logo;
-
-
 /**
  * Whether the layer is opaque.
  * @type {boolean|undefined}
@@ -4502,7 +4461,6 @@ olx.source.TileImageOptions.prototype.transition;
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *            cacheSize: (number|undefined),
  *            format: (ol.format.Feature|undefined),
- *            logo: (string|olx.LogoOptions|undefined),
  *            overlaps: (boolean|undefined),
  *            projection: ol.ProjectionLike,
  *            state: (ol.source.State|undefined),
@@ -4545,14 +4503,6 @@ olx.source.VectorTileOptions.prototype.cacheSize;
 olx.source.VectorTileOptions.prototype.format;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.VectorTileOptions.prototype.logo;
-
-
 /**
  * This source may have overlapping geometries. Default is `true`. Setting this
  * to `false` (e.g. for sources with polygons that represent administrative
@@ -4953,7 +4903,6 @@ olx.source.OSMOptions.prototype.wrapX;
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *     crossOrigin: (null|string|undefined),
  *     hidpi: (boolean|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     imageLoadFunction: (ol.ImageLoadFunctionType|undefined),
  *     params: Object.<string,*>,
  *     projection: ol.ProjectionLike,
@@ -4993,14 +4942,6 @@ olx.source.ImageArcGISRestOptions.prototype.crossOrigin;
 olx.source.ImageArcGISRestOptions.prototype.hidpi;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.ImageArcGISRestOptions.prototype.logo;
-
-
 /**
  * Optional function to load an image given a URL.
  * @type {ol.ImageLoadFunctionType|undefined}
@@ -5060,7 +5001,6 @@ olx.source.ImageArcGISRestOptions.prototype.url;
 /**
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *     canvasFunction: ol.CanvasFunctionType,
- *     logo: (string|olx.LogoOptions|undefined),
  *     projection: ol.ProjectionLike,
  *     ratio: (number|undefined),
  *     resolutions: (Array.<number>|undefined),
@@ -5092,14 +5032,6 @@ olx.source.ImageCanvasOptions.prototype.attributions;
 olx.source.ImageCanvasOptions.prototype.canvasFunction;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.ImageCanvasOptions.prototype.logo;
-
-
 /**
  * Projection.
  * @type {ol.ProjectionLike}
@@ -5199,7 +5131,6 @@ olx.source.RasterOptions.prototype.operationType;
  *     crossOrigin: (null|string|undefined),
  *     hidpi: (boolean|undefined),
  *     serverType: (ol.source.WMSServerType|string|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     imageLoadFunction: (ol.ImageLoadFunctionType|undefined),
  *     params: Object.<string,*>,
  *     projection: ol.ProjectionLike,
@@ -5256,14 +5187,6 @@ olx.source.ImageWMSOptions.prototype.serverType;
 olx.source.ImageWMSOptions.prototype.imageLoadFunction;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.ImageWMSOptions.prototype.logo;
-
-
 /**
  * WMS request parameters. At least a `LAYERS` param is required. `STYLES` is
  * `''` by default. `VERSION` is `1.3.0` by default. `WIDTH`, `HEIGHT`, `BBOX`
@@ -5407,7 +5330,6 @@ olx.source.StamenOptions.prototype.wrapX;
  *     imageExtent: (ol.Extent),
  *     imageLoadFunction: (ol.ImageLoadFunctionType|undefined),
  *     imageSize: (ol.Size|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     projection: ol.ProjectionLike,
  *     url: string}}
  */
@@ -5451,14 +5373,6 @@ olx.source.ImageStaticOptions.prototype.imageExtent;
 olx.source.ImageStaticOptions.prototype.imageLoadFunction;
 
 
-/**
- * Optional logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.ImageStaticOptions.prototype.logo;
-
-
 /**
  * Projection.
  * @type {ol.ProjectionLike}
@@ -5489,7 +5403,6 @@ olx.source.ImageStaticOptions.prototype.url;
  *     cacheSize: (number|undefined),
  *     crossOrigin: (null|string|undefined),
  *     params: (Object.<string, *>|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     tileGrid: (ol.tilegrid.TileGrid|undefined),
  *     projection: ol.ProjectionLike,
  *     reprojectionErrorThreshold: (number|undefined),
@@ -5544,14 +5457,6 @@ olx.source.TileArcGISRestOptions.prototype.crossOrigin;
 olx.source.TileArcGISRestOptions.prototype.params;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.TileArcGISRestOptions.prototype.logo;
-
-
 /**
  * Tile grid. Base this on the resolutions, tilesize and extent supported by the
  * server.
@@ -5746,7 +5651,6 @@ olx.source.TileJSONOptions.prototype.transition;
  *     crossOrigin: (null|string|undefined),
  *     gutter: (number|undefined),
  *     hidpi: (boolean|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     tileClass: (function(new: ol.ImageTile, ol.TileCoord,
  *                          ol.TileState, string, ?string,
  *                          ol.TileLoadFunctionType)|undefined),
@@ -5825,14 +5729,6 @@ olx.source.TileWMSOptions.prototype.gutter;
 olx.source.TileWMSOptions.prototype.hidpi;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.TileWMSOptions.prototype.logo;
-
-
 /**
  * Class used to instantiate image tiles. Default is {@link ol.ImageTile}.
  * @type {function(new: ol.ImageTile, ol.TileCoord,
@@ -5936,7 +5832,6 @@ olx.source.TileWMSOptions.prototype.transition;
  *     features: (Array.<ol.Feature>|ol.Collection.<ol.Feature>|undefined),
  *     format: (ol.format.Feature|undefined),
  *     loader: (ol.FeatureLoader|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     overlaps: (boolean|undefined),
  *     strategy: (ol.LoadingStrategy|undefined),
  *     url: (string|ol.FeatureUrlFunction|undefined),
@@ -6013,14 +5908,6 @@ olx.source.VectorOptions.prototype.format;
 olx.source.VectorOptions.prototype.loader;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.VectorOptions.prototype.logo;
-
-
 /**
  * This source may have overlapping geometries. Default is `true`. Setting this
  * to `false` (e.g. for sources with polygons that represent administrative
@@ -6099,7 +5986,6 @@ olx.source.VectorOptions.prototype.wrapX;
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *     cacheSize: (number|undefined),
  *     crossOrigin: (string|null|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     tileGrid: ol.tilegrid.WMTS,
  *     projection: ol.ProjectionLike,
  *     reprojectionErrorThreshold: (number|undefined),
@@ -6151,14 +6037,6 @@ olx.source.WMTSOptions.prototype.cacheSize;
 olx.source.WMTSOptions.prototype.crossOrigin;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.WMTSOptions.prototype.logo;
-
-
 /**
  * Tile grid.
  * @type {ol.tilegrid.WMTS}
@@ -6315,7 +6193,6 @@ olx.source.WMTSOptions.prototype.transition;
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *     cacheSize: (number|undefined),
  *     crossOrigin: (null|string|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     opaque: (boolean|undefined),
  *     projection: ol.ProjectionLike,
  *     reprojectionErrorThreshold: (number|undefined),
@@ -6362,14 +6239,6 @@ olx.source.XYZOptions.prototype.cacheSize;
 olx.source.XYZOptions.prototype.crossOrigin;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.XYZOptions.prototype.logo;
-
-
 /**
  * Whether the layer is opaque.
  * @type {boolean|undefined}
@@ -6499,7 +6368,6 @@ olx.source.XYZOptions.prototype.transition;
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *     cacheSize: (number|undefined),
  *     crossOrigin: (null|string|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     projection: ol.ProjectionLike,
  *     maxZoom: (number|undefined),
  *     minZoom: (number|undefined),
@@ -6539,14 +6407,6 @@ olx.source.CartoDBOptions.prototype.cacheSize;
 olx.source.CartoDBOptions.prototype.crossOrigin;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.CartoDBOptions.prototype.logo;
-
-
 /**
  * Projection. Default is `EPSG:3857`.
  * @type {ol.ProjectionLike}
@@ -6614,7 +6474,6 @@ olx.source.CartoDBOptions.prototype.account;
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *     cacheSize: (number|undefined),
  *     crossOrigin: (null|string|undefined),
- *     logo: (string|olx.LogoOptions|undefined),
  *     projection: (ol.ProjectionLike|undefined),
  *     reprojectionErrorThreshold: (number|undefined),
  *     url: !string,
@@ -6655,14 +6514,6 @@ olx.source.ZoomifyOptions.prototype.cacheSize;
 olx.source.ZoomifyOptions.prototype.crossOrigin;
 
 
-/**
- * Logo.
- * @type {string|olx.LogoOptions|undefined}
- * @api
- */
-olx.source.ZoomifyOptions.prototype.logo;
-
-
 /**
  * Projection.
  * @type {ol.ProjectionLike|undefined}
@@ -7798,7 +7649,6 @@ olx.view.FitOptions.prototype.callback;
  *     index: number,
  *     layerStates: Object.<number, ol.LayerState>,
  *     layerStatesArray: Array.<ol.LayerState>,
- *     logos: Object.<string, (string|Element)>,
  *     pixelRatio: number,
  *     pixelToCoordinateTransform: ol.Transform,
  *     postRenderFunctions: Array.<ol.PostRenderFunction>,
diff --git a/src/ol/PluggableMap.js b/src/ol/PluggableMap.js
index 6b480bf94f..0bb3189328 100644
--- a/src/ol/PluggableMap.js
+++ b/src/ol/PluggableMap.js
@@ -24,7 +24,6 @@ import {createEmpty, clone, createOrUpdateEmpty, equals, getForViewAndSize, isEm
 import {TRUE} from './functions.js';
 import _ol_has_ from './has.js';
 import _ol_layer_Group_ from './layer/Group.js';
-import _ol_obj_ from './obj.js';
 import _ol_plugins_ from './plugins.js';
 import _ol_renderer_Type_ from './renderer/Type.js';
 import _ol_size_ from './size.js';
@@ -41,7 +40,6 @@ import _ol_transform_ from './transform.js';
  *     layers: (Array.<ol.layer.Base>|ol.Collection.<ol.layer.Base>|undefined),
  *     loadTilesWhileAnimating: (boolean|undefined),
  *     loadTilesWhileInteracting: (boolean|undefined),
- *     logo: (boolean|string|olx.LogoOptions|Element|undefined),
  *     moveTolerance: (number|undefined),
  *     overlays: (ol.Collection.<ol.Overlay>|Array.<ol.Overlay>|undefined),
  *     renderer: (ol.renderer.Type|Array.<ol.renderer.Type>|undefined),
@@ -86,13 +84,6 @@ export var MapOptions;
  *     true, tiles will be loaded while interacting with the map. This may
  *     improve the user experience, but can also make map panning and zooming
  *     choppy on devices with slow memory. Default is `false`.
- * @param {boolean|string|olx.LogoOptions|Element|undefined} options.logo The
- *     map logo. A logo to be displayed on the map at all times. If a string is
- *     provided, it will be set as the image source of the logo. If an object is
- *     provided, the `src` property should be the URL for an image and the
- *     `href` property should be a URL for creating a link. If an element is
- *     provided, the element will be used. To disable the map logo, set the
- *     option to `false`. By default, the OpenLayers logo is shown.
  * @param {number|undefined} options.moveTolerance The minimum distance in
  *     pixels the cursor must move to be detected as a map move event instead
  *     of a click. Increasing this value can make it easier to click on the map.
@@ -147,12 +138,6 @@ var _ol_PluggableMap_ = function(options) {
   this.pixelRatio_ = options.pixelRatio !== undefined ?
     options.pixelRatio : _ol_has_.DEVICE_PIXEL_RATIO;
 
-  /**
-   * @private
-   * @type {Object.<string, string>}
-   */
-  this.logos_ = optionsInternal.logos;
-
   /**
    * @private
    * @type {number|undefined}
@@ -1234,7 +1219,6 @@ _ol_PluggableMap_.prototype.renderFrame_ = function(time) {
       index: this.frameIndex_++,
       layerStates: layerStates,
       layerStatesArray: layerStatesArray,
-      logos: _ol_obj_.assign({}, this.logos_),
       pixelRatio: this.pixelRatio_,
       pixelToCoordinateTransform: this.pixelToCoordinateTransform_,
       postRenderFunctions: [],
@@ -1399,34 +1383,6 @@ _ol_PluggableMap_.DEFAULT_RENDERER_TYPES = [
 ];
 
 
-/**
- * @const
- * @type {string}
- */
-_ol_PluggableMap_.LOGO_URL = 'data:image/png;base64,' +
-    'iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAMAAABEpIrGAAAAA3NCSVQICAjb4U/gAAAACXBI' +
-    'WXMAAAHGAAABxgEXwfpGAAAAGXRFWHRTb2Z0d2FyZQB3d3cuaW5rc2NhcGUub3Jnm+48GgAA' +
-    'AhNQTFRF////AP//AICAgP//AFVVQECA////K1VVSbbbYL/fJ05idsTYJFtbbcjbJllmZszW' +
-    'WMTOIFhoHlNiZszTa9DdUcHNHlNlV8XRIVdiasrUHlZjIVZjaMnVH1RlIFRkH1RkH1ZlasvY' +
-    'asvXVsPQH1VkacnVa8vWIVZjIFRjVMPQa8rXIVVkXsXRsNveIFVkIFZlIVVj3eDeh6GmbMvX' +
-    'H1ZkIFRka8rWbMvXIFVkIFVjIFVkbMvWH1VjbMvWIFVlbcvWIFVla8vVIFVkbMvWbMvVH1Vk' +
-    'bMvWIFVlbcvWIFVkbcvVbMvWjNPbIFVkU8LPwMzNIFVkbczWIFVkbsvWbMvXIFVkRnB8bcvW' +
-    '2+TkW8XRIFVkIlZlJVloJlpoKlxrLl9tMmJwOWd0Omh1RXF8TneCT3iDUHiDU8LPVMLPVcLP' +
-    'VcPQVsPPVsPQV8PQWMTQWsTQW8TQXMXSXsXRX4SNX8bSYMfTYcfTYsfTY8jUZcfSZsnUaIqT' +
-    'acrVasrVa8jTa8rWbI2VbMvWbcvWdJObdcvUdszUd8vVeJaee87Yfc3WgJyjhqGnitDYjaar' +
-    'ldPZnrK2oNbborW5o9bbo9fbpLa6q9ndrL3ArtndscDDutzfu8fJwN7gwt7gxc/QyuHhy+Hi' +
-    'zeHi0NfX0+Pj19zb1+Tj2uXk29/e3uLg3+Lh3+bl4uXj4ufl4+fl5Ofl5ufl5ujm5+jmySDn' +
-    'BAAAAFp0Uk5TAAECAgMEBAYHCA0NDg4UGRogIiMmKSssLzU7PkJJT1JTVFliY2hrdHZ3foSF' +
-    'hYeJjY2QkpugqbG1tre5w8zQ09XY3uXn6+zx8vT09vf4+Pj5+fr6/P39/f3+gz7SsAAAAVVJ' +
-    'REFUOMtjYKA7EBDnwCPLrObS1BRiLoJLnte6CQy8FLHLCzs2QUG4FjZ5GbcmBDDjxJBXDWxC' +
-    'Brb8aM4zbkIDzpLYnAcE9VXlJSWlZRU13koIeW57mGx5XjoMZEUqwxWYQaQbSzLSkYGfKFSe' +
-    '0QMsX5WbjgY0YS4MBplemI4BdGBW+DQ11eZiymfqQuXZIjqwyadPNoSZ4L+0FVM6e+oGI6g8' +
-    'a9iKNT3o8kVzNkzRg5lgl7p4wyRUL9Yt2jAxVh6mQCogae6GmflI8p0r13VFWTHBQ0rWPW7a' +
-    'hgWVcPm+9cuLoyy4kCJDzCm6d8PSFoh0zvQNC5OjDJhQopPPJqph1doJBUD5tnkbZiUEqaCn' +
-    'B3bTqLTFG1bPn71kw4b+GFdpLElKIzRxxgYgWNYc5SCENVHKeUaltHdXx0dZ8uBI1hJ2UUDg' +
-    'q82CM2MwKeibqAvSO7MCABq0wXEPiqWEAAAAAElFTkSuQmCC';
-
-
 /**
  * @param {MapOptions} options Map options.
  * @return {ol.MapOptionsInternal} Internal map options.
@@ -1448,23 +1404,6 @@ _ol_PluggableMap_.createOptionsInternal = function(options) {
    */
   var values = {};
 
-  var logos = {};
-  if (options.logo === undefined ||
-      (typeof options.logo === 'boolean' && options.logo)) {
-    logos[_ol_PluggableMap_.LOGO_URL] = 'https://openlayers.org/';
-  } else {
-    var logo = options.logo;
-    if (typeof logo === 'string') {
-      logos[logo] = '';
-    } else if (logo instanceof HTMLElement) {
-      logos[getUid(logo).toString()] = logo;
-    } else if (logo) {
-      _ol_asserts_.assert(typeof logo.href == 'string', 44); // `logo.href` should be a string.
-      _ol_asserts_.assert(typeof logo.src == 'string', 45); // `logo.src` should be a string.
-      logos[logo.src] = logo.href;
-    }
-  }
-
   var layerGroup = (options.layers instanceof _ol_layer_Group_) ?
     options.layers : new _ol_layer_Group_({layers: options.layers});
   values[_ol_MapProperty_.LAYERGROUP] = layerGroup;
@@ -1554,7 +1493,6 @@ _ol_PluggableMap_.createOptionsInternal = function(options) {
     controls: controls,
     interactions: interactions,
     keyboardEventTarget: keyboardEventTarget,
-    logos: logos,
     overlays: overlays,
     mapRendererPlugin: mapRendererPlugin,
     values: values
diff --git a/src/ol/control/Attribution.js b/src/ol/control/Attribution.js
index 8fd6c85a64..aaaf6e9cc8 100644
--- a/src/ol/control/Attribution.js
+++ b/src/ol/control/Attribution.js
@@ -1,17 +1,14 @@
 /**
  * @module ol/control/Attribution
  */
-// FIXME handle date line wrap
-
 import {inherits} from '../index.js';
 import _ol_array_ from '../array.js';
 import Control from '../control/Control.js';
 import _ol_css_ from '../css.js';
-import {removeNode, replaceNode} from '../dom.js';
+import {removeChildren, replaceNode} from '../dom.js';
 import _ol_events_ from '../events.js';
 import EventType from '../events/EventType.js';
 import _ol_layer_Layer_ from '../layer/Layer.js';
-import _ol_obj_ from '../obj.js';
 
 /**
  * @classdesc
@@ -35,15 +32,6 @@ var Attribution = function(opt_options) {
    */
   this.ulElement_ = document.createElement('UL');
 
-  /**
-   * @private
-   * @type {Element}
-   */
-  this.logoLi_ = document.createElement('LI');
-
-  this.ulElement_.appendChild(this.logoLi_);
-  this.logoLi_.style.display = 'none';
-
   /**
    * @private
    * @type {boolean}
@@ -131,12 +119,6 @@ var Attribution = function(opt_options) {
    */
   this.renderedVisible_ = true;
 
-  /**
-   * @private
-   * @type {Object.<string, Element>}
-   */
-  this.logoElements_ = {};
-
 };
 
 inherits(Attribution, Control);
@@ -231,10 +213,7 @@ Attribution.prototype.updateElement_ = function(frameState) {
     return;
   }
 
-  // remove everything but the logo
-  while (this.ulElement_.lastChild !== this.logoLi_) {
-    this.ulElement_.removeChild(this.ulElement_.lastChild);
-  }
+  removeChildren(this.ulElement_);
 
   // append the attributions
   for (var i = 0, ii = attributions.length; i < ii; ++i) {
@@ -244,64 +223,13 @@ Attribution.prototype.updateElement_ = function(frameState) {
   }
 
 
-  if (attributions.length === 0 && this.renderedAttributions_.length > 0) {
-    this.element.classList.add('ol-logo-only');
-  } else if (this.renderedAttributions_.length === 0 && attributions.length > 0) {
-    this.element.classList.remove('ol-logo-only');
-  }
-
-  var visible = attributions.length > 0 || !_ol_obj_.isEmpty(frameState.logos);
+  var visible = attributions.length > 0;
   if (this.renderedVisible_ != visible) {
     this.element.style.display = visible ? '' : 'none';
     this.renderedVisible_ = visible;
   }
 
   this.renderedAttributions_ = attributions;
-  this.insertLogos_(frameState);
-};
-
-
-/**
- * @param {?olx.FrameState} frameState Frame state.
- * @private
- */
-Attribution.prototype.insertLogos_ = function(frameState) {
-
-  var logo;
-  var logos = frameState.logos;
-  var logoElements = this.logoElements_;
-
-  for (logo in logoElements) {
-    if (!(logo in logos)) {
-      removeNode(logoElements[logo]);
-      delete logoElements[logo];
-    }
-  }
-
-  var image, logoElement, logoKey;
-  for (logoKey in logos) {
-    var logoValue = logos[logoKey];
-    if (logoValue instanceof HTMLElement) {
-      this.logoLi_.appendChild(logoValue);
-      logoElements[logoKey] = logoValue;
-    }
-    if (!(logoKey in logoElements)) {
-      image = new Image();
-      image.src = logoKey;
-      if (logoValue === '') {
-        logoElement = image;
-      } else {
-        logoElement = document.createElement('a');
-        logoElement.href = logoValue;
-        logoElement.appendChild(image);
-      }
-      this.logoLi_.appendChild(logoElement);
-      logoElements[logoKey] = logoElement;
-    }
-  }
-
-  this.logoLi_.style.display = !_ol_obj_.isEmpty(logos) ? '' : 'none';
-
 };
 
 
diff --git a/src/ol/renderer/Layer.js b/src/ol/renderer/Layer.js
index c78f789c83..b9f3d82cee 100644
--- a/src/ol/renderer/Layer.js
+++ b/src/ol/renderer/Layer.js
@@ -5,7 +5,6 @@ import {getUid, inherits, nullFunction} from '../index.js';
 import _ol_ImageState_ from '../ImageState.js';
 import _ol_Observable_ from '../Observable.js';
 import _ol_TileState_ from '../TileState.js';
-import _ol_asserts_ from '../asserts.js';
 import _ol_events_ from '../events.js';
 import EventType from '../events/EventType.js';
 import {FALSE} from '../functions.js';
@@ -166,25 +165,6 @@ _ol_renderer_Layer_.prototype.scheduleExpireCache = function(frameState, tileSou
 };
 
 
-/**
- * @param {olx.FrameState} frameState Frame state.
- * @param {ol.source.Source} source Source.
- * @protected
- */
-_ol_renderer_Layer_.prototype.updateLogos = function(frameState, source) {
-  var logo = source.getLogo();
-  if (logo !== undefined) {
-    if (typeof logo === 'string') {
-      frameState.logos[logo] = '';
-    } else if (logo) {
-      _ol_asserts_.assert(typeof logo.href == 'string', 44); // `logo.href` should be a string.
-      _ol_asserts_.assert(typeof logo.src == 'string', 45); // `logo.src` should be a string.
-      frameState.logos[logo.src] = logo.href;
-    }
-  }
-};
-
-
 /**
  * @param {Object.<string, Object.<string, ol.TileRange>>} usedTiles Used tiles.
  * @param {ol.source.Tile} tileSource Tile source.
diff --git a/src/ol/renderer/canvas/ImageLayer.js b/src/ol/renderer/canvas/ImageLayer.js
index 254bb08f3e..41f3c54b6d 100644
--- a/src/ol/renderer/canvas/ImageLayer.js
+++ b/src/ol/renderer/canvas/ImageLayer.js
@@ -187,7 +187,6 @@ _ol_renderer_canvas_ImageLayer_.prototype.prepareFrame = function(frameState, la
         0,
         -viewCenter[0], -viewCenter[1]);
 
-    this.updateLogos(frameState, imageSource);
     this.renderedResolution = imageResolution * pixelRatio / imagePixelRatio;
   }
 
diff --git a/src/ol/renderer/canvas/TileLayer.js b/src/ol/renderer/canvas/TileLayer.js
index 1804720ef6..c323752b6c 100644
--- a/src/ol/renderer/canvas/TileLayer.js
+++ b/src/ol/renderer/canvas/TileLayer.js
@@ -292,7 +292,6 @@ _ol_renderer_canvas_TileLayer_.prototype.prepareFrame = function(frameState, lay
   this.manageTilePyramid(frameState, tileSource, tileGrid, pixelRatio,
       projection, extent, z, tileLayer.getPreload());
   this.scheduleExpireCache(frameState, tileSource);
-  this.updateLogos(frameState, tileSource);
 
   return this.renderedTiles.length > 0;
 };
diff --git a/src/ol/renderer/canvas/VectorLayer.js b/src/ol/renderer/canvas/VectorLayer.js
index 6355eddd15..34b4930754 100644
--- a/src/ol/renderer/canvas/VectorLayer.js
+++ b/src/ol/renderer/canvas/VectorLayer.js
@@ -299,12 +299,9 @@ _ol_renderer_canvas_VectorLayer_.prototype.handleStyleImageChange_ = function(ev
  * @inheritDoc
  */
 _ol_renderer_canvas_VectorLayer_.prototype.prepareFrame = function(frameState, layerState) {
-
   var vectorLayer = /** @type {ol.layer.Vector} */ (this.getLayer());
   var vectorSource = vectorLayer.getSource();
 
-  this.updateLogos(frameState, vectorSource);
-
   var animating = frameState.viewHints[_ol_ViewHint_.ANIMATING];
   var interacting = frameState.viewHints[_ol_ViewHint_.INTERACTING];
   var updateWhileAnimating = vectorLayer.getUpdateWhileAnimating();
diff --git a/src/ol/renderer/webgl/ImageLayer.js b/src/ol/renderer/webgl/ImageLayer.js
index 13f2b3c1d2..feb2017307 100644
--- a/src/ol/renderer/webgl/ImageLayer.js
+++ b/src/ol/renderer/webgl/ImageLayer.js
@@ -189,8 +189,6 @@ _ol_renderer_webgl_ImageLayer_.prototype.prepareFrame = function(frameState, lay
 
     this.image_ = image;
     this.texture = texture;
-
-    this.updateLogos(frameState, imageSource);
   }
 
   return !!image;
diff --git a/src/ol/renderer/webgl/TileLayer.js b/src/ol/renderer/webgl/TileLayer.js
index ce898fc958..2cdb5a7da6 100644
--- a/src/ol/renderer/webgl/TileLayer.js
+++ b/src/ol/renderer/webgl/TileLayer.js
@@ -354,7 +354,6 @@ _ol_renderer_webgl_TileLayer_.prototype.prepareFrame = function(frameState, laye
         }
       }, this);
   this.scheduleExpireCache(frameState, tileSource);
-  this.updateLogos(frameState, tileSource);
 
   var texCoordMatrix = this.texCoordMatrix;
   _ol_transform_.reset(texCoordMatrix);
diff --git a/src/ol/renderer/webgl/VectorLayer.js b/src/ol/renderer/webgl/VectorLayer.js
index 4486e7cfb5..793fb43e9d 100644
--- a/src/ol/renderer/webgl/VectorLayer.js
+++ b/src/ol/renderer/webgl/VectorLayer.js
@@ -212,12 +212,9 @@ _ol_renderer_webgl_VectorLayer_.prototype.handleStyleImageChange_ = function(eve
  * @inheritDoc
  */
 _ol_renderer_webgl_VectorLayer_.prototype.prepareFrame = function(frameState, layerState, context) {
-
   var vectorLayer = /** @type {ol.layer.Vector} */ (this.getLayer());
   var vectorSource = vectorLayer.getSource();
 
-  this.updateLogos(frameState, vectorSource);
-
   var animating = frameState.viewHints[_ol_ViewHint_.ANIMATING];
   var interacting = frameState.viewHints[_ol_ViewHint_.INTERACTING];
   var updateWhileAnimating = vectorLayer.getUpdateWhileAnimating();
diff --git a/src/ol/source/BingMaps.js b/src/ol/source/BingMaps.js
index 71078d0e7a..5c17e20aa3 100644
--- a/src/ol/source/BingMaps.js
+++ b/src/ol/source/BingMaps.js
@@ -125,11 +125,6 @@ _ol_source_BingMaps_.prototype.handleImageryMetadataResponse = function(response
     return;
   }
 
-  var brandLogoUri = response.brandLogoUri;
-  if (brandLogoUri.indexOf('https') == -1) {
-    brandLogoUri = brandLogoUri.replace('http', 'https');
-  }
-  //var copyright = response.copyright;  // FIXME do we need to display this?
   var resource = response.resourceSets[0].resources[0];
   var maxZoom = this.maxZoom_ == -1 ? resource.zoomMax : this.maxZoom_;
 
@@ -209,8 +204,6 @@ _ol_source_BingMaps_.prototype.handleImageryMetadataResponse = function(response
     });
   }
 
-  this.setLogo(brandLogoUri);
-
   this.setState(_ol_source_State_.READY);
 };
 export default _ol_source_BingMaps_;
diff --git a/src/ol/source/CartoDB.js b/src/ol/source/CartoDB.js
index 9b4c952f3f..9a88a0fbc1 100644
--- a/src/ol/source/CartoDB.js
+++ b/src/ol/source/CartoDB.js
@@ -45,7 +45,6 @@ var _ol_source_CartoDB_ = function(options) {
     attributions: options.attributions,
     cacheSize: options.cacheSize,
     crossOrigin: options.crossOrigin,
-    logo: options.logo,
     maxZoom: options.maxZoom !== undefined ? options.maxZoom : 18,
     minZoom: options.minZoom,
     projection: options.projection,
diff --git a/src/ol/source/Cluster.js b/src/ol/source/Cluster.js
index d979642af4..c0f0415182 100644
--- a/src/ol/source/Cluster.js
+++ b/src/ol/source/Cluster.js
@@ -26,7 +26,6 @@ var _ol_source_Cluster_ = function(options) {
   _ol_source_Vector_.call(this, {
     attributions: options.attributions,
     extent: options.extent,
-    logo: options.logo,
     projection: options.projection,
     wrapX: options.wrapX
   });
diff --git a/src/ol/source/Image.js b/src/ol/source/Image.js
index a25485d6d0..6682fd1489 100644
--- a/src/ol/source/Image.js
+++ b/src/ol/source/Image.js
@@ -27,7 +27,6 @@ var _ol_source_Image_ = function(options) {
   _ol_source_Source_.call(this, {
     attributions: options.attributions,
     extent: options.extent,
-    logo: options.logo,
     projection: options.projection,
     state: options.state
   });
diff --git a/src/ol/source/ImageArcGISRest.js b/src/ol/source/ImageArcGISRest.js
index 0884af5903..752939d9fe 100644
--- a/src/ol/source/ImageArcGISRest.js
+++ b/src/ol/source/ImageArcGISRest.js
@@ -32,7 +32,6 @@ var _ol_source_ImageArcGISRest_ = function(opt_options) {
 
   _ol_source_Image_.call(this, {
     attributions: options.attributions,
-    logo: options.logo,
     projection: options.projection,
     resolutions: options.resolutions
   });
diff --git a/src/ol/source/ImageCanvas.js b/src/ol/source/ImageCanvas.js
index b34332f290..26a98e7f44 100644
--- a/src/ol/source/ImageCanvas.js
+++ b/src/ol/source/ImageCanvas.js
@@ -19,7 +19,6 @@ var _ol_source_ImageCanvas_ = function(options) {
 
   _ol_source_Image_.call(this, {
     attributions: options.attributions,
-    logo: options.logo,
     projection: options.projection,
     resolutions: options.resolutions,
     state: options.state
diff --git a/src/ol/source/ImageStatic.js b/src/ol/source/ImageStatic.js
index 92f447e9a8..8fc7e1a3a0 100644
--- a/src/ol/source/ImageStatic.js
+++ b/src/ol/source/ImageStatic.js
@@ -32,7 +32,6 @@ var _ol_source_ImageStatic_ = function(options) {
 
   _ol_source_Image_.call(this, {
     attributions: options.attributions,
-    logo: options.logo,
     projection: getProjection(options.projection)
   });
 
diff --git a/src/ol/source/ImageWMS.js b/src/ol/source/ImageWMS.js
index 2e95ee12c1..d763549291 100644
--- a/src/ol/source/ImageWMS.js
+++ b/src/ol/source/ImageWMS.js
@@ -33,7 +33,6 @@ var _ol_source_ImageWMS_ = function(opt_options) {
 
   _ol_source_Image_.call(this, {
     attributions: options.attributions,
-    logo: options.logo,
     projection: options.projection,
     resolutions: options.resolutions
   });
diff --git a/src/ol/source/Raster.js b/src/ol/source/Raster.js
index 271ddfc55a..9cd81af915 100644
--- a/src/ol/source/Raster.js
+++ b/src/ol/source/Raster.js
@@ -113,7 +113,6 @@ var _ol_source_Raster_ = function(options) {
     index: 0,
     layerStates: layerStates,
     layerStatesArray: layerStatesArray,
-    logos: {},
     pixelRatio: 1,
     pixelToCoordinateTransform: _ol_transform_.create(),
     postRenderFunctions: [],
diff --git a/src/ol/source/Source.js b/src/ol/source/Source.js
index 233cc49df7..9db8b45901 100644
--- a/src/ol/source/Source.js
+++ b/src/ol/source/Source.js
@@ -7,13 +7,6 @@ import {get as getProjection} from '../proj.js';
 import _ol_source_State_ from '../source/State.js';
 
 
-/**
- * Object literal with config options for the map logo.
- * @typedef {{href: (string), src: (string)}}
- */
-export var LogoOptions;
-
-
 /**
  * @classdesc
  * Abstract base class; normally only used for creating subclasses and not
@@ -44,12 +37,6 @@ var _ol_source_Source_ = function(options) {
    */
   this.attributions_ = this.adaptAttributions_(options.attributions);
 
-  /**
-   * @private
-   * @type {string|LogoOptions|undefined}
-   */
-  this.logo_ = options.logo;
-
   /**
    * @private
    * @type {ol.source.State}
@@ -114,16 +101,6 @@ _ol_source_Source_.prototype.getAttributions = function() {
 };
 
 
-/**
- * Get the logo of the source.
- * @return {string|LogoOptions|undefined} Logo.
- * @api
- */
-_ol_source_Source_.prototype.getLogo = function() {
-  return this.logo_;
-};
-
-
 /**
  * Get the projection of the source.
  * @return {ol.proj.Projection} Projection.
@@ -181,15 +158,6 @@ _ol_source_Source_.prototype.setAttributions = function(attributions) {
 };
 
 
-/**
- * Set the logo of the source.
- * @param {string|LogoOptions|undefined} logo Logo.
- */
-_ol_source_Source_.prototype.setLogo = function(logo) {
-  this.logo_ = logo;
-};
-
-
 /**
  * Set the state of the source.
  * @param {ol.source.State} state State.
diff --git a/src/ol/source/Tile.js b/src/ol/source/Tile.js
index abd4f24243..f9172a30d3 100644
--- a/src/ol/source/Tile.js
+++ b/src/ol/source/Tile.js
@@ -28,7 +28,6 @@ var _ol_source_Tile_ = function(options) {
   _ol_source_Source_.call(this, {
     attributions: options.attributions,
     extent: options.extent,
-    logo: options.logo,
     projection: options.projection,
     state: options.state,
     wrapX: options.wrapX
diff --git a/src/ol/source/TileArcGISRest.js b/src/ol/source/TileArcGISRest.js
index 98e740bf06..f285ab9dfc 100644
--- a/src/ol/source/TileArcGISRest.js
+++ b/src/ol/source/TileArcGISRest.js
@@ -32,7 +32,6 @@ var _ol_source_TileArcGISRest_ = function(opt_options) {
     attributions: options.attributions,
     cacheSize: options.cacheSize,
     crossOrigin: options.crossOrigin,
-    logo: options.logo,
     projection: options.projection,
     reprojectionErrorThreshold: options.reprojectionErrorThreshold,
     tileGrid: options.tileGrid,
diff --git a/src/ol/source/TileImage.js b/src/ol/source/TileImage.js
index a269fd9c57..f962145d45 100644
--- a/src/ol/source/TileImage.js
+++ b/src/ol/source/TileImage.js
@@ -30,7 +30,6 @@ var _ol_source_TileImage_ = function(options) {
     attributions: options.attributions,
     cacheSize: options.cacheSize,
     extent: options.extent,
-    logo: options.logo,
     opaque: options.opaque,
     projection: options.projection,
     state: options.state,
diff --git a/src/ol/source/TileWMS.js b/src/ol/source/TileWMS.js
index 68d25abd6c..a199dd61c1 100644
--- a/src/ol/source/TileWMS.js
+++ b/src/ol/source/TileWMS.js
@@ -38,7 +38,6 @@ var _ol_source_TileWMS_ = function(opt_options) {
     attributions: options.attributions,
     cacheSize: options.cacheSize,
     crossOrigin: options.crossOrigin,
-    logo: options.logo,
     opaque: !transparent,
     projection: options.projection,
     reprojectionErrorThreshold: options.reprojectionErrorThreshold,
diff --git a/src/ol/source/UrlTile.js b/src/ol/source/UrlTile.js
index 623f4c665c..1eae93a55a 100644
--- a/src/ol/source/UrlTile.js
+++ b/src/ol/source/UrlTile.js
@@ -24,7 +24,6 @@ var _ol_source_UrlTile_ = function(options) {
     attributions: options.attributions,
     cacheSize: options.cacheSize,
     extent: options.extent,
-    logo: options.logo,
     opaque: options.opaque,
     projection: options.projection,
     state: options.state,
diff --git a/src/ol/source/Vector.js b/src/ol/source/Vector.js
index ba4444019d..478cbfb999 100644
--- a/src/ol/source/Vector.js
+++ b/src/ol/source/Vector.js
@@ -39,7 +39,6 @@ var _ol_source_Vector_ = function(opt_options) {
 
   _ol_source_Source_.call(this, {
     attributions: options.attributions,
-    logo: options.logo,
     projection: undefined,
     state: _ol_source_State_.READY,
     wrapX: options.wrapX !== undefined ? options.wrapX : true
diff --git a/src/ol/source/VectorTile.js b/src/ol/source/VectorTile.js
index e16bbc8ea3..0d4137c636 100644
--- a/src/ol/source/VectorTile.js
+++ b/src/ol/source/VectorTile.js
@@ -42,7 +42,6 @@ var _ol_source_VectorTile_ = function(options) {
     attributions: options.attributions,
     cacheSize: options.cacheSize !== undefined ? options.cacheSize : 128,
     extent: extent,
-    logo: options.logo,
     opaque: false,
     projection: projection,
     state: options.state,
diff --git a/src/ol/source/WMTS.js b/src/ol/source/WMTS.js
index e5a1dbea69..1ca6f03246 100644
--- a/src/ol/source/WMTS.js
+++ b/src/ol/source/WMTS.js
@@ -159,7 +159,6 @@ var _ol_source_WMTS_ = function(options) {
     attributions: options.attributions,
     cacheSize: options.cacheSize,
     crossOrigin: options.crossOrigin,
-    logo: options.logo,
     projection: options.projection,
     reprojectionErrorThreshold: options.reprojectionErrorThreshold,
     tileClass: options.tileClass,
diff --git a/src/ol/source/XYZ.js b/src/ol/source/XYZ.js
index dfc5496a77..021928d1cb 100644
--- a/src/ol/source/XYZ.js
+++ b/src/ol/source/XYZ.js
@@ -44,7 +44,6 @@ var _ol_source_XYZ_ = function(opt_options) {
     attributions: options.attributions,
     cacheSize: options.cacheSize,
     crossOrigin: options.crossOrigin,
-    logo: options.logo,
     opaque: options.opaque,
     projection: projection,
     reprojectionErrorThreshold: options.reprojectionErrorThreshold,
diff --git a/src/ol/source/Zoomify.js b/src/ol/source/Zoomify.js
index ae7f4d88e0..f3f08c2ddf 100644
--- a/src/ol/source/Zoomify.js
+++ b/src/ol/source/Zoomify.js
@@ -141,7 +141,6 @@ var _ol_source_Zoomify_ = function(opt_options) {
     attributions: options.attributions,
     cacheSize: options.cacheSize,
     crossOrigin: options.crossOrigin,
-    logo: options.logo,
     projection: options.projection,
     reprojectionErrorThreshold: options.reprojectionErrorThreshold,
     tileClass: ZoomifyTileClass,
diff --git a/src/ol/typedefs.js b/src/ol/typedefs.js
index 60c7569c04..4e51dfd1b0 100644
--- a/src/ol/typedefs.js
+++ b/src/ol/typedefs.js
@@ -440,7 +440,6 @@ ol.LRUCacheEntry;
  * @typedef {{controls: (ol.Collection.<ol.control.Control>|undefined),
  *            interactions: (ol.Collection.<ol.interaction.Interaction>|undefined),
  *            keyboardEventTarget: (Element|Document),
- *            logos: (Object.<string, (string|Element)>),
  *            overlays: ol.Collection.<ol.Overlay>,
  *            mapRendererPlugin: olx.MapRendererPlugin,
  *            values: Object.<string, *>}}
@@ -616,7 +615,6 @@ ol.SnapSegmentDataType;
 /**
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *            extent: (null|ol.Extent|undefined),
- *            logo: (string|olx.LogoOptions|undefined),
  *            projection: ol.ProjectionLike,
  *            resolutions: (Array.<number>|undefined),
  *            state: (ol.source.State|undefined)}}
@@ -634,7 +632,6 @@ ol.SourceRasterRenderedState;
 
 /**
  * @typedef {{attributions: (ol.AttributionLike|undefined),
- *            logo: (string|olx.LogoOptions|undefined),
  *            projection: ol.ProjectionLike,
  *            state: (ol.source.State|undefined),
  *            wrapX: (boolean|undefined)}}
@@ -646,7 +643,6 @@ ol.SourceSourceOptions;
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *            cacheSize: (number|undefined),
  *            extent: (ol.Extent|undefined),
- *            logo: (string|olx.LogoOptions|undefined),
  *            opaque: (boolean|undefined),
  *            tilePixelRatio: (number|undefined),
  *            projection: ol.ProjectionLike,
@@ -662,7 +658,6 @@ ol.SourceTileOptions;
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *            cacheSize: (number|undefined),
  *            extent: (ol.Extent|undefined),
- *            logo: (string|olx.LogoOptions|undefined),
  *            opaque: (boolean|undefined),
  *            projection: ol.ProjectionLike,
  *            state: (ol.source.State|undefined),
diff --git a/test/spec/ol/control/attribution.test.js b/test/spec/ol/control/attribution.test.js
index 5fbafcdc9d..0ea32bb523 100644
--- a/test/spec/ol/control/attribution.test.js
+++ b/test/spec/ol/control/attribution.test.js
@@ -70,7 +70,7 @@ describe('ol.control.Attribution', function() {
   it('does not add duplicate attributions', function() {
     map.renderSync();
     var attribution = map.getTarget().querySelectorAll('.ol-attribution li');
-    expect(attribution.length).to.be(3); // first <li> is the logo
+    expect(attribution.length).to.be(2);
   });
 
 });