diff --git a/src/ol/dom/tilelayerrenderer.js b/src/ol/dom/tilelayerrenderer.js
index 2984db6757..c5e3d634bd 100644
--- a/src/ol/dom/tilelayerrenderer.js
+++ b/src/ol/dom/tilelayerrenderer.js
@@ -73,7 +73,6 @@ ol.dom.TileLayerRenderer.prototype.redraw = function() {
         newTiles = true;
       }
     }
-    return false;
   }, this);
 
   if (newTiles) {
diff --git a/src/ol/tilebounds.js b/src/ol/tilebounds.js
index 2caa10da29..57347567b0 100644
--- a/src/ol/tilebounds.js
+++ b/src/ol/tilebounds.js
@@ -51,7 +51,7 @@ ol.TileBounds.prototype.clone = function() {
 
 /**
  * @param {number} z Z.
- * @param {function(this: T, ol.TileCoord): boolean} f Callback.
+ * @param {function(this: T, ol.TileCoord)} f Callback.
  * @param {T=} opt_obj The object to be used for the value of 'this' within f.
  * @template T
  */
@@ -62,9 +62,7 @@ ol.TileBounds.prototype.forEachTileCoord = function(z, f, opt_obj) {
     tileCoord.x = x;
     for (y = this.minY; y <= this.maxY; ++y) {
       tileCoord.y = y;
-      if (f.call(opt_obj, tileCoord)) {
-        return;
-      }
+      f.call(opt_obj, tileCoord);
       goog.asserts.assert(tileCoord.z == z);
       goog.asserts.assert(tileCoord.x == x);
       goog.asserts.assert(tileCoord.y == y);
diff --git a/src/ol/webgl/tilelayerrenderer.js b/src/ol/webgl/tilelayerrenderer.js
index 4ef5af132c..e1141c86b5 100644
--- a/src/ol/webgl/tilelayerrenderer.js
+++ b/src/ol/webgl/tilelayerrenderer.js
@@ -339,7 +339,6 @@ ol.webgl.TileLayerRenderer.prototype.redraw = function() {
             goog.events.EventType.CHANGE, this.handleTileChange, false, this);
       }
     }
-    return false;
   }, this);
 
 };