diff --git a/src/container/ReactFlow/index.tsx b/src/container/ReactFlow/index.tsx
index 66f34cca..34b57e31 100644
--- a/src/container/ReactFlow/index.tsx
+++ b/src/container/ReactFlow/index.tsx
@@ -1,4 +1,4 @@
-import React, { useMemo, forwardRef, FunctionComponent } from 'react';
+import React, { useMemo, forwardRef } from 'react';
 import cc from 'classcat';
 
 import GraphView from '../GraphView';