diff --git a/src/ol/geom/flat/orient.js b/src/ol/geom/flat/orient.js
index 60d449ec2c..ef0467880a 100644
--- a/src/ol/geom/flat/orient.js
+++ b/src/ol/geom/flat/orient.js
@@ -1,7 +1,7 @@
 /**
  * @module ol/geom/flat/orient
  */
-import _ol_geom_flat_reverse_ from '../flat/reverse.js';
+import {coordinates as reverseCoordinates} from '../flat/reverse.js';
 const _ol_geom_flat_orient_ = {};
 
 
@@ -110,7 +110,7 @@ _ol_geom_flat_orient_.orientLinearRings = function(flatCoordinates, offset, ends
       (right && isClockwise) || (!right && !isClockwise) :
       (right && !isClockwise) || (!right && isClockwise);
     if (reverse) {
-      _ol_geom_flat_reverse_.coordinates(flatCoordinates, offset, end, stride);
+      reverseCoordinates(flatCoordinates, offset, end, stride);
     }
     offset = end;
   }
diff --git a/src/ol/geom/flat/reverse.js b/src/ol/geom/flat/reverse.js
index e04d450d3f..bdb1e0c041 100644
--- a/src/ol/geom/flat/reverse.js
+++ b/src/ol/geom/flat/reverse.js
@@ -1,7 +1,6 @@
 /**
  * @module ol/geom/flat/reverse
  */
-const _ol_geom_flat_reverse_ = {};
 
 
 /**
@@ -10,7 +9,7 @@ const _ol_geom_flat_reverse_ = {};
  * @param {number} end End.
  * @param {number} stride Stride.
  */
-_ol_geom_flat_reverse_.coordinates = function(flatCoordinates, offset, end, stride) {
+export function coordinates(flatCoordinates, offset, end, stride) {
   while (offset < end - stride) {
     for (let i = 0; i < stride; ++i) {
       const tmp = flatCoordinates[offset + i];
@@ -20,5 +19,4 @@ _ol_geom_flat_reverse_.coordinates = function(flatCoordinates, offset, end, stri
     offset += stride;
     end -= stride;
   }
-};
-export default _ol_geom_flat_reverse_;
+}
diff --git a/test/spec/ol/geom/flat/reverse.test.js b/test/spec/ol/geom/flat/reverse.test.js
index 9709358613..ba1d5d84e9 100644
--- a/test/spec/ol/geom/flat/reverse.test.js
+++ b/test/spec/ol/geom/flat/reverse.test.js
@@ -1,4 +1,4 @@
-import _ol_geom_flat_reverse_ from '../../../../../src/ol/geom/flat/reverse.js';
+import {coordinates as reverseCoordinates} from '../../../../../src/ol/geom/flat/reverse.js';
 
 
 describe('ol.geom.flat.reverse', function() {
@@ -9,36 +9,31 @@ describe('ol.geom.flat.reverse', function() {
 
       it('can reverse empty flat coordinates', function() {
         const flatCoordinates = [];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 2);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 2);
         expect(flatCoordinates).to.be.empty();
       });
 
       it('can reverse one flat coordinates', function() {
         const flatCoordinates = [1, 2];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 2);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 2);
         expect(flatCoordinates).to.eql([1, 2]);
       });
 
       it('can reverse two flat coordinates', function() {
         const flatCoordinates = [1, 2, 3, 4];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 2);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 2);
         expect(flatCoordinates).to.eql([3, 4, 1, 2]);
       });
 
       it('can reverse three flat coordinates', function() {
         const flatCoordinates = [1, 2, 3, 4, 5, 6];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 2);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 2);
         expect(flatCoordinates).to.eql([5, 6, 3, 4, 1, 2]);
       });
 
       it('can reverse four flat coordinates', function() {
         const flatCoordinates = [1, 2, 3, 4, 5, 6, 7, 8];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 2);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 2);
         expect(flatCoordinates).to.eql([7, 8, 5, 6, 3, 4, 1, 2]);
       });
 
@@ -48,36 +43,31 @@ describe('ol.geom.flat.reverse', function() {
 
       it('can reverse empty flat coordinates', function() {
         const flatCoordinates = [];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 3);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 3);
         expect(flatCoordinates).to.be.empty();
       });
 
       it('can reverse one flat coordinates', function() {
         const flatCoordinates = [1, 2, 3];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 3);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 3);
         expect(flatCoordinates).to.eql([1, 2, 3]);
       });
 
       it('can reverse two flat coordinates', function() {
         const flatCoordinates = [1, 2, 3, 4, 5, 6];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 3);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 3);
         expect(flatCoordinates).to.eql([4, 5, 6, 1, 2, 3]);
       });
 
       it('can reverse three flat coordinates', function() {
         const flatCoordinates = [1, 2, 3, 4, 5, 6, 7, 8, 9];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 3);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 3);
         expect(flatCoordinates).to.eql([7, 8, 9, 4, 5, 6, 1, 2, 3]);
       });
 
       it('can reverse four flat coordinates', function() {
         const flatCoordinates = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 3);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 3);
         expect(flatCoordinates).to.eql([10, 11, 12, 7, 8, 9, 4, 5, 6, 1, 2, 3]);
       });
 
@@ -87,37 +77,32 @@ describe('ol.geom.flat.reverse', function() {
 
       it('can reverse empty flat coordinates', function() {
         const flatCoordinates = [];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 4);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 4);
         expect(flatCoordinates).to.be.empty();
       });
 
       it('can reverse one flat coordinates', function() {
         const flatCoordinates = [1, 2, 3, 4];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 4);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 4);
         expect(flatCoordinates).to.eql([1, 2, 3, 4]);
       });
 
       it('can reverse two flat coordinates', function() {
         const flatCoordinates = [1, 2, 3, 4, 5, 6, 7, 8];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 4);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 4);
         expect(flatCoordinates).to.eql([5, 6, 7, 8, 1, 2, 3, 4]);
       });
 
       it('can reverse three flat coordinates', function() {
         const flatCoordinates = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 4);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 4);
         expect(flatCoordinates).to.eql([9, 10, 11, 12, 5, 6, 7, 8, 1, 2, 3, 4]);
       });
 
       it('can reverse four flat coordinates', function() {
         const flatCoordinates =
             [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16];
-        _ol_geom_flat_reverse_.coordinates(
-          flatCoordinates, 0, flatCoordinates.length, 4);
+        reverseCoordinates(flatCoordinates, 0, flatCoordinates.length, 4);
         expect(flatCoordinates).to.eql(
           [13, 14, 15, 16, 9, 10, 11, 12, 5, 6, 7, 8, 1, 2, 3, 4]);
       });