diff --git a/examples/box-selection.js b/examples/box-selection.js
index 09db36e0b6..5a7941e126 100644
--- a/examples/box-selection.js
+++ b/examples/box-selection.js
@@ -1,7 +1,6 @@
 goog.require('ol.Map');
 goog.require('ol.View');
 goog.require('ol.events.condition');
-goog.require('ol.interaction');
 goog.require('ol.interaction.DragBox');
 goog.require('ol.interaction.Select');
 goog.require('ol.layer.Tile');
diff --git a/examples/draw-and-modify-features.js b/examples/draw-and-modify-features.js
index d6c1de8f74..ae9d56a018 100644
--- a/examples/draw-and-modify-features.js
+++ b/examples/draw-and-modify-features.js
@@ -2,7 +2,6 @@ goog.require('ol.FeatureOverlay');
 goog.require('ol.Map');
 goog.require('ol.View');
 goog.require('ol.events.condition');
-goog.require('ol.interaction');
 goog.require('ol.interaction.Draw');
 goog.require('ol.interaction.Modify');
 goog.require('ol.layer.Tile');
diff --git a/examples/draw-features.js b/examples/draw-features.js
index dc66e2c1f7..603cbfcfa5 100644
--- a/examples/draw-features.js
+++ b/examples/draw-features.js
@@ -1,6 +1,5 @@
 goog.require('ol.Map');
 goog.require('ol.View');
-goog.require('ol.interaction');
 goog.require('ol.interaction.Draw');
 goog.require('ol.layer.Tile');
 goog.require('ol.layer.Vector');
diff --git a/examples/measure.js b/examples/measure.js
index c437e778c2..2bd97db8d2 100644
--- a/examples/measure.js
+++ b/examples/measure.js
@@ -4,7 +4,6 @@ goog.require('ol.Sphere');
 goog.require('ol.View');
 goog.require('ol.geom.LineString');
 goog.require('ol.geom.Polygon');
-goog.require('ol.interaction');
 goog.require('ol.interaction.Draw');
 goog.require('ol.layer.Tile');
 goog.require('ol.layer.Vector');
diff --git a/examples/select-features.js b/examples/select-features.js
index 7adbdff529..15514d6f05 100644
--- a/examples/select-features.js
+++ b/examples/select-features.js
@@ -1,7 +1,6 @@
 goog.require('ol.Map');
 goog.require('ol.View');
 goog.require('ol.events.condition');
-goog.require('ol.interaction');
 goog.require('ol.interaction.Select');
 goog.require('ol.layer.Tile');
 goog.require('ol.layer.Vector');
diff --git a/externs/olx.js b/externs/olx.js
index 78df7efe8b..cb22551f9d 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -6060,7 +6060,7 @@ olx.style.IconOptions.prototype.rotateWithView;
 
 
 /**
- * Rotation.
+ * Rotation in radians (positive rotation clockwise). Default is `0`.
  * @type {number|undefined}
  * @api
  */
@@ -6305,7 +6305,7 @@ olx.style.TextOptions.prototype.scale;
 
 
 /**
- * Rotation.
+ * Rotation in radians (positive rotation clockwise). Default is `0`.
  * @type {number|undefined}
  * @api
  */