diff --git a/types/react-sortable-tree/index.d.ts b/types/react-sortable-tree/index.d.ts
index ed47df8460..0c0cc075e2 100644
--- a/types/react-sortable-tree/index.d.ts
+++ b/types/react-sortable-tree/index.d.ts
@@ -166,8 +166,8 @@ export interface TreeRendererProps {
 }
 
 interface ThemeTreeProps {
-    style?: React.CSSProperties
-    innerStyle?: React.CSSProperties
+    style?: React.CSSProperties;
+    innerStyle?: React.CSSProperties;
     reactVirtualizedListProps?: Partial<ListProps>;
     scaffoldBlockPxWidth?: number;
     slideRegionSize?: number;
diff --git a/types/react-sortable-tree/utils/tree-data-utils.d.ts b/types/react-sortable-tree/utils/tree-data-utils.d.ts
index 19b9dcf177..b80e82dd81 100644
--- a/types/react-sortable-tree/utils/tree-data-utils.d.ts
+++ b/types/react-sortable-tree/utils/tree-data-utils.d.ts
@@ -68,7 +68,7 @@ export function getFlatDataFromTree(
         getNodeKey: GetNodeKeyFunction,
         ignoreCollapsed?: boolean,
     },
-): Array<FlatDataItem>;
+): FlatDataItem[];
 export function getTreeFromFlatData(
     data: {
         flatData: FlattenedData,