2 files changed, 2 insertions, 4 deletions
diff --git a/src/client/views/collections/collectionGrid/CollectionGridView.tsx b/src/client/views/collections/collectionGrid/CollectionGridView.tsx
index 1e19964d7..3e75257e5 100644
--- a/src/client/views/collections/collectionGrid/CollectionGridView.tsx
+++ b/src/client/views/collections/collectionGrid/CollectionGridView.tsx
@@ -7,7 +7,6 @@ import { BoolCast, NumCast, ScriptCast, StrCast } from '../../../../fields/Types
 import { emptyFunction, returnFalse, returnZero, setupMoveUpEvents } from '../../../../Utils';
 import { Docs } from '../../../documents/Documents';
 import { DragManager } from '../../../util/DragManager';
-import { SnappingManager } from '../../../util/SnappingManager';
 import { Transform } from '../../../util/Transform';
 import { undoBatch } from '../../../util/UndoManager';
 import { ContextMenu } from '../../ContextMenu';
@@ -17,13 +16,12 @@ import { FormattedTextBox } from '../../nodes/formattedText/FormattedTextBox';
 import { CollectionSubView } from '../CollectionSubView';
 import './CollectionGridView.scss';
 import Grid, { Layout } from './Grid';
-
 @observer
 export class CollectionGridView extends CollectionSubView() {
     private _containerRef: React.RefObject<HTMLDivElement> = React.createRef();
     private _changeListenerDisposer: Opt<Lambda>; // listens for changes in this.childLayoutPairs
     private _resetListenerDisposer: Opt<Lambda>; // listens for when the reset button is clicked
-    @observable private _rowHeight: Opt<number>; // temporary store of row height to make change undoable
+    @observable private _rowHeight: Opt<number> = undefined; // temporary store of row height to make change undoable
     @observable private _scroll: number = 0; // required to make sure the decorations box container updates on scroll
     private dropLocation: object = {}; // sets the drop location for external drops
 
diff --git a/src/client/views/collections/collectionGrid/Grid.tsx b/src/client/views/collections/collectionGrid/Grid.tsx
index 3d1d87aa0..9145d7ef1 100644
--- a/src/client/views/collections/collectionGrid/Grid.tsx
+++ b/src/client/views/collections/collectionGrid/Grid.tsx
@@ -1,5 +1,5 @@
-import * as React from 'react';
 import { observer } from 'mobx-react';
+import * as React from 'react';
 
 import '../../../../../node_modules/react-grid-layout/css/styles.css';
 import '../../../../../node_modules/react-resizable/css/styles.css';