diff --git a/src/ol/proj/Projection.js b/src/ol/proj/Projection.js
index c5fc066a2f..ce4b2cb305 100644
--- a/src/ol/proj/Projection.js
+++ b/src/ol/proj/Projection.js
@@ -1,7 +1,7 @@
 /**
  * @module ol/proj/Projection
  */
-import {METERS_PER_UNIT} from '../proj/Units.js';
+import {METERS_PER_UNIT} from './Units.js';
 
 
 /**
diff --git a/src/ol/proj/epsg3857.js b/src/ol/proj/epsg3857.js
index 89deca11ef..28366ecdc9 100644
--- a/src/ol/proj/epsg3857.js
+++ b/src/ol/proj/epsg3857.js
@@ -2,8 +2,8 @@
  * @module ol/proj/epsg3857
  */
 import {cosh} from '../math.js';
-import Projection from '../proj/Projection.js';
-import Units from '../proj/Units.js';
+import Projection from './Projection.js';
+import Units from './Units.js';
 
 
 /**
diff --git a/src/ol/proj/epsg4326.js b/src/ol/proj/epsg4326.js
index 4d946e4d4b..a5e3b2652e 100644
--- a/src/ol/proj/epsg4326.js
+++ b/src/ol/proj/epsg4326.js
@@ -1,8 +1,8 @@
 /**
  * @module ol/proj/epsg4326
  */
-import Projection from '../proj/Projection.js';
-import Units from '../proj/Units.js';
+import Projection from './Projection.js';
+import Units from './Units.js';
 
 
 /**