diff --git a/src/ol/TileRange.js b/src/ol/TileRange.js
index 57f3930df3..8aaabaf6f4 100644
--- a/src/ol/TileRange.js
+++ b/src/ol/TileRange.js
@@ -45,7 +45,7 @@ const TileRange = function(minX, maxX, minY, maxY) {
  * @param {ol.TileRange|undefined} tileRange TileRange.
  * @return {ol.TileRange} Tile range.
  */
-TileRange.createOrUpdate = function(minX, maxX, minY, maxY, tileRange) {
+export function createOrUpdate(minX, maxX, minY, maxY, tileRange) {
   if (tileRange !== undefined) {
     tileRange.minX = minX;
     tileRange.maxX = maxX;
@@ -55,7 +55,7 @@ TileRange.createOrUpdate = function(minX, maxX, minY, maxY, tileRange) {
   } else {
     return new TileRange(minX, maxX, minY, maxY);
   }
-};
+}
 
 
 /**
diff --git a/src/ol/tilegrid/TileGrid.js b/src/ol/tilegrid/TileGrid.js
index 31b2c57f2f..589eec3c24 100644
--- a/src/ol/tilegrid/TileGrid.js
+++ b/src/ol/tilegrid/TileGrid.js
@@ -3,7 +3,7 @@
  */
 import {DEFAULT_TILE_SIZE} from './common.js';
 import {assert} from '../asserts.js';
-import TileRange from '../TileRange.js';
+import TileRange, {createOrUpdate as createOrUpdateTileRange} from '../TileRange.js';
 import {isSorted, linearFindNearest} from '../array.js';
 import {createOrUpdate, getTopLeft} from '../extent.js';
 import {clamp} from '../math.js';
@@ -199,7 +199,7 @@ TileGrid.prototype.forEachTileCoordParentTileRange = function(tileCoord, callbac
     if (this.zoomFactor_ === 2) {
       x = Math.floor(x / 2);
       y = Math.floor(y / 2);
-      tileRange = TileRange.createOrUpdate(x, x, y, y, opt_tileRange);
+      tileRange = createOrUpdateTileRange(x, x, y, y, opt_tileRange);
     } else {
       tileRange = this.getTileRangeForExtentAndZ(tileCoordExtent, z, opt_tileRange);
     }
@@ -288,7 +288,7 @@ TileGrid.prototype.getTileCoordChildTileRange = function(tileCoord, opt_tileRang
     if (this.zoomFactor_ === 2) {
       const minX = tileCoord[1] * 2;
       const minY = tileCoord[2] * 2;
-      return TileRange.createOrUpdate(minX, minX + 1, minY, minY + 1, opt_tileRange);
+      return createOrUpdateTileRange(minX, minX + 1, minY, minY + 1, opt_tileRange);
     }
     const tileCoordExtent = this.getTileCoordExtent(tileCoord, opt_extent);
     return this.getTileRangeForExtentAndZ(
@@ -330,8 +330,7 @@ TileGrid.prototype.getTileRangeForExtentAndZ = function(extent, z, opt_tileRange
   const minX = tileCoord[1];
   const minY = tileCoord[2];
   this.getTileCoordForXYAndZ_(extent[2], extent[3], z, true, tileCoord);
-  return TileRange.createOrUpdate(
-    minX, tileCoord[1], minY, tileCoord[2], opt_tileRange);
+  return createOrUpdateTileRange(minX, tileCoord[1], minY, tileCoord[2], opt_tileRange);
 };