diff --git a/examples/reprojection.js b/examples/reprojection.js
index ca57e6e115..20ba191795 100644
--- a/examples/reprojection.js
+++ b/examples/reprojection.js
@@ -8,7 +8,7 @@ import {register} from '../src/ol/proj/proj4.js';
 import OSM from '../src/ol/source/OSM.js';
 import TileImage from '../src/ol/source/TileImage.js';
 import TileWMS from '../src/ol/source/TileWMS.js';
-import WMTS from '../src/ol/source/WMTS.js';
+import WMTS, {optionsFromCapabilities} from '../src/ol/source/WMTS.js';
 import XYZ from '../src/ol/source/XYZ.js';
 import TileGrid from '../src/ol/tilegrid/TileGrid.js';
 import proj4 from 'proj4';
@@ -104,7 +104,7 @@ fetch(url).then(function(response) {
   return response.text();
 }).then(function(text) {
   const result = parser.read(text);
-  const options = WMTS.optionsFromCapabilities(result, {
+  const options = optionsFromCapabilities(result, {
     layer: 'OSM_Land_Mask',
     matrixSet: 'EPSG3413_250m'
   });
diff --git a/examples/wmts-hidpi.js b/examples/wmts-hidpi.js
index 27255c8110..4371df9458 100644
--- a/examples/wmts-hidpi.js
+++ b/examples/wmts-hidpi.js
@@ -3,7 +3,7 @@ import View from '../src/ol/View.js';
 import WMTSCapabilities from '../src/ol/format/WMTSCapabilities.js';
 import {DEVICE_PIXEL_RATIO} from '../src/ol/has.js';
 import TileLayer from '../src/ol/layer/Tile.js';
-import WMTS from '../src/ol/source/WMTS.js';
+import WMTS, {optionsFromCapabilities} from '../src/ol/source/WMTS.js';
 
 
 const capabilitiesUrl = 'https://www.basemap.at/wmts/1.0.0/WMTSCapabilities.xml';
@@ -27,7 +27,7 @@ fetch(capabilitiesUrl).then(function(response) {
   return response.text();
 }).then(function(text) {
   const result = new WMTSCapabilities().read(text);
-  const options = WMTS.optionsFromCapabilities(result, {
+  const options = optionsFromCapabilities(result, {
     layer: layer,
     matrixSet: 'google3857',
     style: 'normal'
diff --git a/examples/wmts-layer-from-capabilities.js b/examples/wmts-layer-from-capabilities.js
index 49924110bd..d7c4cfa48f 100644
--- a/examples/wmts-layer-from-capabilities.js
+++ b/examples/wmts-layer-from-capabilities.js
@@ -3,7 +3,7 @@ import View from '../src/ol/View.js';
 import WMTSCapabilities from '../src/ol/format/WMTSCapabilities.js';
 import TileLayer from '../src/ol/layer/Tile.js';
 import OSM from '../src/ol/source/OSM.js';
-import WMTS from '../src/ol/source/WMTS.js';
+import WMTS, {optionsFromCapabilities} from '../src/ol/source/WMTS.js';
 
 const parser = new WMTSCapabilities();
 let map;
@@ -12,7 +12,7 @@ fetch('data/WMTSCapabilities.xml').then(function(response) {
   return response.text();
 }).then(function(text) {
   const result = parser.read(text);
-  const options = WMTS.optionsFromCapabilities(result, {
+  const options = optionsFromCapabilities(result, {
     layer: 'layer-7328',
     matrixSet: 'EPSG:3857'
   });
diff --git a/src/ol/source/WMTS.js b/src/ol/source/WMTS.js
index a95f994c74..8f2d2e7ffb 100644
--- a/src/ol/source/WMTS.js
+++ b/src/ol/source/WMTS.js
@@ -309,7 +309,7 @@ WMTS.prototype.updateDimensions = function(dimensions) {
  * @return {?olx.source.WMTSOptions} WMTS source options object or `null` if the layer was not found.
  * @api
  */
-WMTS.optionsFromCapabilities = function(wmtsCap, config) {
+export function optionsFromCapabilities(wmtsCap, config) {
   const layers = wmtsCap['Contents']['Layer'];
   const l = find(layers, function(elt, index, array) {
     return elt['Identifier'] == config['layer'];
@@ -476,5 +476,6 @@ WMTS.optionsFromCapabilities = function(wmtsCap, config) {
     wrapX: wrapX,
     crossOrigin: config['crossOrigin']
   };
-};
+}
+
 export default WMTS;
diff --git a/test/spec/ol/source/wmts.test.js b/test/spec/ol/source/wmts.test.js
index 99512f90a8..f79f53b64a 100644
--- a/test/spec/ol/source/wmts.test.js
+++ b/test/spec/ol/source/wmts.test.js
@@ -2,7 +2,7 @@ import WMTSCapabilities from '../../../../src/ol/format/WMTSCapabilities.js';
 import {get as getProjection} from '../../../../src/ol/proj.js';
 import Projection from '../../../../src/ol/proj/Projection.js';
 import WMTSTileGrid from '../../../../src/ol/tilegrid/WMTS.js';
-import WMTS from '../../../../src/ol/source/WMTS.js';
+import WMTS, {optionsFromCapabilities} from '../../../../src/ol/source/WMTS.js';
 
 
 describe('ol.source.WMTS', function() {
@@ -23,7 +23,7 @@ describe('ol.source.WMTS', function() {
     });
 
     it('returns null if the layer was not found in the capabilities', function() {
-      const options = WMTS.optionsFromCapabilities(capabilities, {
+      const options = optionsFromCapabilities(capabilities, {
         layer: 'invalid'
       });
 
@@ -31,7 +31,7 @@ describe('ol.source.WMTS', function() {
     });
 
     it('passes the crossOrigin option', function() {
-      const options = WMTS.optionsFromCapabilities(capabilities, {
+      const options = optionsFromCapabilities(capabilities, {
         layer: 'BlueMarbleNextGeneration',
         matrixSet: 'google3857',
         crossOrigin: ''
@@ -42,7 +42,7 @@ describe('ol.source.WMTS', function() {
 
     it('can create KVP options from spec/ol/format/wmts/ogcsample.xml',
       function() {
-        const options = WMTS.optionsFromCapabilities(
+        const options = optionsFromCapabilities(
           capabilities,
           {layer: 'BlueMarbleNextGeneration', matrixSet: 'google3857'});
 
@@ -74,7 +74,7 @@ describe('ol.source.WMTS', function() {
 
     it('can create REST options from spec/ol/format/wmts/ogcsample.xml',
       function() {
-        const options = WMTS.optionsFromCapabilities(capabilities, {
+        const options = optionsFromCapabilities(capabilities, {
           layer: 'BlueMarbleNextGeneration',
           matrixSet: 'google3857',
           requestEncoding: 'REST'
@@ -105,7 +105,7 @@ describe('ol.source.WMTS', function() {
       });
 
     it('can find a MatrixSet by SRS identifier', function() {
-      const options = WMTS.optionsFromCapabilities(capabilities, {
+      const options = optionsFromCapabilities(capabilities, {
         layer: 'BlueMarbleNextGeneration',
         projection: 'EPSG:3857',
         requestEncoding: 'REST'
@@ -116,7 +116,7 @@ describe('ol.source.WMTS', function() {
     });
 
     it('can find a MatrixSet by equivalent SRS identifier', function() {
-      const options = WMTS.optionsFromCapabilities(capabilities, {
+      const options = optionsFromCapabilities(capabilities, {
         layer: 'BlueMarbleNextGeneration',
         projection: 'EPSG:900913',
         requestEncoding: 'REST'
@@ -127,7 +127,7 @@ describe('ol.source.WMTS', function() {
     });
 
     it('can find the default MatrixSet', function() {
-      const options = WMTS.optionsFromCapabilities(capabilities, {
+      const options = optionsFromCapabilities(capabilities, {
         layer: 'BlueMarbleNextGeneration',
         requestEncoding: 'REST'
       });
@@ -137,7 +137,7 @@ describe('ol.source.WMTS', function() {
     });
 
     it('uses the projection of the default MatrixSet if the config\'s projection is not supported', function() {
-      const options = WMTS.optionsFromCapabilities(capabilities, {
+      const options = optionsFromCapabilities(capabilities, {
         layer: 'BlueMarbleNextGeneration',
         projection: new Projection({
           code: 'EPSG:2056',
@@ -153,7 +153,7 @@ describe('ol.source.WMTS', function() {
       const tmpXml = content.replace(/<ows:Constraint[\s\S]*?<\/ows:Constraint>/g, '');
       const tmpCapabilities = parser.read(tmpXml);
       expect(tmpCapabilities['OperationsMetadata']['GetTile']['DCP']['HTTP']['Get'][0]['Constraint']).to.be(undefined);
-      const options = WMTS.optionsFromCapabilities(tmpCapabilities,
+      const options = optionsFromCapabilities(tmpCapabilities,
         {layer: 'BlueMarbleNextGeneration', matrixSet: 'google3857'});
       expect(options.layer).to.be.eql('BlueMarbleNextGeneration');
       expect(options.matrixSet).to.be.eql('google3857');
@@ -166,7 +166,7 @@ describe('ol.source.WMTS', function() {
       const tmpCapabilities = parser.read(tmpXml);
       expect(tmpCapabilities['OperationsMetadata']['GetTile']['DCP']['HTTP']['Get'][0]['Constraint']).to.be(undefined);
       expect(tmpCapabilities['Contents']['Layer'][0]['ResourceURL']).to.be(undefined);
-      const options = WMTS.optionsFromCapabilities(tmpCapabilities,
+      const options = optionsFromCapabilities(tmpCapabilities,
         {layer: 'BlueMarbleNextGeneration', matrixSet: 'google3857'});
       expect(options.layer).to.be.eql('BlueMarbleNextGeneration');
       expect(options.matrixSet).to.be.eql('google3857');
@@ -247,7 +247,7 @@ describe('ol.source.WMTS', function() {
 
     it('can create KVP options from spec/ol/format/wmts/arcgis.xml',
       function() {
-        const options = WMTS.optionsFromCapabilities(
+        const options = optionsFromCapabilities(
           capabilities, {
             layer: 'Demographics_USA_Population_Density',
             requestEncoding: 'KVP',
@@ -263,7 +263,7 @@ describe('ol.source.WMTS', function() {
 
     it('can create REST options from spec/ol/format/wmts/arcgis.xml',
       function() {
-        const options = WMTS.optionsFromCapabilities(
+        const options = optionsFromCapabilities(
           capabilities, {
             layer: 'Demographics_USA_Population_Density',
             matrixSet: 'default028mm'