diff --git a/src/base/collection/collection.js b/src/base/collection/collection.js
index 2b57f9de3..0cd227204 100644
--- a/src/base/collection/collection.js
+++ b/src/base/collection/collection.js
@@ -5,8 +5,7 @@
  * @class BI.CollectionView
  * @extends BI.Widget
  */
-import { Widget, shortcut, extend, emptyFn, debounce, _lazyCreateWidget, isFunction, SectionManager,
-    isNull, each, clamp, toArray, invert, min, max, nextTick } from "../../core";
+import { Widget, shortcut, extend, emptyFn, debounce, _lazyCreateWidget, isFunction, SectionManager, isNull, each, clamp, toArray, invert, min, max, nextTick } from "../../core";
 @shortcut()
 export class CollectionView extends Widget {
     _defaultConfig() {
diff --git a/src/base/grid/grid.js b/src/base/grid/grid.js
index 150723808..6e65a52e0 100644
--- a/src/base/grid/grid.js
+++ b/src/base/grid/grid.js
@@ -5,8 +5,7 @@
  * @class BI.GridView
  * @extends BI.Widget
  */
-import { Widget, shortcut, extend, emptyFn, debounce, _lazyCreateWidget,
-    isFunction, each, isNumber, ScalingCellSizeAndPositionManager, clamp, isEmpty, nextTick } from "../../core";
+import { Widget, shortcut, extend, emptyFn, debounce, _lazyCreateWidget, isFunction, each, isNumber, ScalingCellSizeAndPositionManager, clamp, isEmpty, nextTick } from "../../core";
 @shortcut()
 export class GridView extends Widget {
     _defaultConfig() {
diff --git a/src/base/tree/customtree.js b/src/base/tree/customtree.js
index 606e789ed..2e231cd4a 100644
--- a/src/base/tree/customtree.js
+++ b/src/base/tree/customtree.js
@@ -6,8 +6,7 @@
  * @class BI.CustomTree
  * @extends BI.Single
  */
-import { Widget, shortcut, extend, emptyFn, Tree, each, isNotEmptyArray, deepClone, stripEL, isWidget,
-    clone, isNotNull, isNull, createWidget, Controller } from "../../core";
+import { Widget, shortcut, extend, emptyFn, Tree, each, isNotEmptyArray, deepClone, stripEL, isWidget, clone, isNotNull, isNull, createWidget, Controller } from "../../core";
 @shortcut()
 export class CustomTree extends Widget {
     static xtype = "bi.custom_tree";