diff --git a/src/ol/geom/LineString.js b/src/ol/geom/LineString.js
index ba1fe244ef..010e5f1cb5 100644
--- a/src/ol/geom/LineString.js
+++ b/src/ol/geom/LineString.js
@@ -13,7 +13,7 @@ import _ol_geom_flat_inflate_ from '../geom/flat/inflate.js';
 import _ol_geom_flat_interpolate_ from '../geom/flat/interpolate.js';
 import _ol_geom_flat_intersectsextent_ from '../geom/flat/intersectsextent.js';
 import _ol_geom_flat_length_ from '../geom/flat/length.js';
-import _ol_geom_flat_segments_ from '../geom/flat/segments.js';
+import {forEach as forEachSegment} from '../geom/flat/segments.js';
 import _ol_geom_flat_simplify_ from '../geom/flat/simplify.js';
 
 /**
@@ -119,8 +119,7 @@ LineString.prototype.closestPointXY = function(x, y, closestPoint, minSquaredDis
  * @api
  */
 LineString.prototype.forEachSegment = function(callback) {
-  return _ol_geom_flat_segments_.forEach(this.flatCoordinates, 0,
-    this.flatCoordinates.length, this.stride, callback);
+  return forEachSegment(this.flatCoordinates, 0, this.flatCoordinates.length, this.stride, callback);
 };
 
 
diff --git a/src/ol/geom/flat/intersectsextent.js b/src/ol/geom/flat/intersectsextent.js
index c12cc82eb7..e4dfb1f200 100644
--- a/src/ol/geom/flat/intersectsextent.js
+++ b/src/ol/geom/flat/intersectsextent.js
@@ -3,7 +3,7 @@
  */
 import {containsExtent, createEmpty, extendFlatCoordinates, intersects, intersectsSegment} from '../../extent.js';
 import {linearRingContainsXY, linearRingContainsExtent} from '../flat/contains.js';
-import _ol_geom_flat_segments_ from '../flat/segments.js';
+import {forEach as forEachSegment} from '../flat/segments.js';
 const _ol_geom_flat_intersectsextent_ = {};
 
 
@@ -32,13 +32,13 @@ _ol_geom_flat_intersectsextent_.lineString = function(flatCoordinates, offset, e
       coordinatesExtent[3] <= extent[3]) {
     return true;
   }
-  return _ol_geom_flat_segments_.forEach(flatCoordinates, offset, end, stride,
+  return forEachSegment(flatCoordinates, offset, end, stride,
     /**
-       * @param {ol.Coordinate} point1 Start point.
-       * @param {ol.Coordinate} point2 End point.
-       * @return {boolean} `true` if the segment and the extent intersect,
-       *     `false` otherwise.
-       */
+     * @param {ol.Coordinate} point1 Start point.
+     * @param {ol.Coordinate} point2 End point.
+     * @return {boolean} `true` if the segment and the extent intersect,
+     *     `false` otherwise.
+     */
     function(point1, point2) {
       return intersectsSegment(extent, point1, point2);
     });
diff --git a/src/ol/geom/flat/segments.js b/src/ol/geom/flat/segments.js
index d97150bee0..c7cb402ced 100644
--- a/src/ol/geom/flat/segments.js
+++ b/src/ol/geom/flat/segments.js
@@ -1,7 +1,6 @@
 /**
  * @module ol/geom/flat/segments
  */
-const _ol_geom_flat_segments_ = {};
 
 
 /**
@@ -19,7 +18,7 @@ const _ol_geom_flat_segments_ = {};
  * @return {T|boolean} Value.
  * @template T,S
  */
-_ol_geom_flat_segments_.forEach = function(flatCoordinates, offset, end, stride, callback, opt_this) {
+export function forEach(flatCoordinates, offset, end, stride, callback, opt_this) {
   const point1 = [flatCoordinates[offset], flatCoordinates[offset + 1]];
   const point2 = [];
   let ret;
@@ -34,5 +33,4 @@ _ol_geom_flat_segments_.forEach = function(flatCoordinates, offset, end, stride,
     point1[1] = point2[1];
   }
   return false;
-};
-export default _ol_geom_flat_segments_;
+}
diff --git a/test/spec/ol/geom/flat/segments.test.js b/test/spec/ol/geom/flat/segments.test.js
index e0e7315323..8f36a891ea 100644
--- a/test/spec/ol/geom/flat/segments.test.js
+++ b/test/spec/ol/geom/flat/segments.test.js
@@ -1,4 +1,4 @@
-import _ol_geom_flat_segments_ from '../../../../../src/ol/geom/flat/segments.js';
+import {forEach as forEachSegment} from '../../../../../src/ol/geom/flat/segments.js';
 
 
 describe('ol.geom.flat.segments', function() {
@@ -17,8 +17,7 @@ describe('ol.geom.flat.segments', function() {
         const spy = sinon.spy(function(point1, point2) {
           args.push([point1[0], point1[1], point2[0], point2[1]]);
         });
-        const ret = _ol_geom_flat_segments_.forEach(
-          flatCoordinates, offset, end, stride, spy);
+        const ret = forEachSegment(flatCoordinates, offset, end, stride, spy);
         expect(spy.callCount).to.be(3);
         expect(args[0][0]).to.be(0);
         expect(args[0][1]).to.be(0);
@@ -42,8 +41,7 @@ describe('ol.geom.flat.segments', function() {
           args.push([point1[0], point1[1], point2[0], point2[1]]);
           return true;
         });
-        const ret = _ol_geom_flat_segments_.forEach(
-          flatCoordinates, offset, end, stride, spy);
+        const ret = forEachSegment(flatCoordinates, offset, end, stride, spy);
         expect(spy.callCount).to.be(1);
         expect(args[0][0]).to.be(0);
         expect(args[0][1]).to.be(0);