diff --git a/src/ol/render/vector.js b/src/ol/render/vector.js
index a8e037b495..409a73f38a 100644
--- a/src/ol/render/vector.js
+++ b/src/ol/render/vector.js
@@ -43,9 +43,7 @@ ol.renderer.vector.renderFeature = function(
 ol.renderer.vector.renderGeometryCollectionGeometry_ =
     function(replayGroup, geometry, style, data) {
   goog.asserts.assertInstanceof(geometry, ol.geom.GeometryCollection);
-  var geometryCollectionGeometry = /** @type {ol.geom.GeometryCollection} */ (
-      geometry);
-  var geometries = geometryCollectionGeometry.getGeometriesArray();
+  var geometries = geometry.getGeometriesArray();
   var i, ii;
   for (i = 0, ii = geometries.length; i < ii; ++i) {
     var geometryRenderer =
@@ -70,11 +68,10 @@ ol.renderer.vector.renderLineStringGeometry_ =
     return;
   }
   goog.asserts.assertInstanceof(geometry, ol.geom.LineString);
-  var lineStringGeometry = /** @type {ol.geom.LineString} */ (geometry);
   var replay = replayGroup.getReplay(
       style.getZIndex(), ol.render.ReplayType.LINE_STRING);
   replay.setFillStrokeStyle(null, strokeStyle);
-  replay.drawLineStringGeometry(lineStringGeometry, data);
+  replay.drawLineStringGeometry(geometry, data);
 };
 
 
@@ -92,12 +89,10 @@ ol.renderer.vector.renderMultiLineStringGeometry_ =
     return;
   }
   goog.asserts.assertInstanceof(geometry, ol.geom.MultiLineString);
-  var multiLineStringGeometry = /** @type {ol.geom.MultiLineString} */
-      (geometry);
   var replay = replayGroup.getReplay(
       style.getZIndex(), ol.render.ReplayType.LINE_STRING);
   replay.setFillStrokeStyle(null, strokeStyle);
-  replay.drawMultiLineStringGeometry(multiLineStringGeometry, data);
+  replay.drawMultiLineStringGeometry(geometry, data);
 };
 
 
@@ -116,12 +111,10 @@ ol.renderer.vector.renderMultiPolygonGeometry_ =
     return;
   }
   goog.asserts.assertInstanceof(geometry, ol.geom.MultiPolygon);
-  var multiPolygonGeometry = /** @type {ol.geom.MultiPolygon} */
-      (geometry);
   var replay = replayGroup.getReplay(
       style.getZIndex(), ol.render.ReplayType.POLYGON);
   replay.setFillStrokeStyle(fillStyle, strokeStyle);
-  replay.drawMultiPolygonGeometry(multiPolygonGeometry, data);
+  replay.drawMultiPolygonGeometry(geometry, data);
 };
 
 
@@ -139,11 +132,10 @@ ol.renderer.vector.renderPointGeometry_ =
     return;
   }
   goog.asserts.assertInstanceof(geometry, ol.geom.Point);
-  var pointGeometry = /** @type {ol.geom.Point} */ (geometry);
   var replay = replayGroup.getReplay(
       style.getZIndex(), ol.render.ReplayType.IMAGE);
   replay.setImageStyle(imageStyle);
-  replay.drawPointGeometry(pointGeometry, data);
+  replay.drawPointGeometry(geometry, data);
 };
 
 
@@ -161,11 +153,10 @@ ol.renderer.vector.renderMultiPointGeometry_ =
     return;
   }
   goog.asserts.assertInstanceof(geometry, ol.geom.MultiPoint);
-  var multiPointGeometry = /** @type {ol.geom.MultiPoint} */ (geometry);
   var replay = replayGroup.getReplay(
       style.getZIndex(), ol.render.ReplayType.IMAGE);
   replay.setImageStyle(imageStyle);
-  replay.drawMultiPointGeometry(multiPointGeometry, data);
+  replay.drawMultiPointGeometry(geometry, data);
 };
 
 
@@ -184,11 +175,10 @@ ol.renderer.vector.renderPolygonGeometry_ =
     return;
   }
   goog.asserts.assertInstanceof(geometry, ol.geom.Polygon);
-  var polygonGeometry = /** @type {ol.geom.Polygon} */ (geometry);
   var replay = replayGroup.getReplay(
       style.getZIndex(), ol.render.ReplayType.POLYGON);
   replay.setFillStrokeStyle(fillStyle, strokeStyle);
-  replay.drawPolygonGeometry(polygonGeometry, data);
+  replay.drawPolygonGeometry(geometry, data);
 };