diff --git a/src/ds/tree/TreeTraverse.java b/src/ds/tree/TreeTraverse.java
index f50ec0b..9c8b516 100644
--- a/src/ds/tree/TreeTraverse.java
+++ b/src/ds/tree/TreeTraverse.java
@@ -1,6 +1,5 @@
 package ds.tree;
 
-import ds.linklist.Node;
 import leecode.tree.TreeNode;
 
 import java.util.Stack;