diff --git a/crates/loro-core/src/container/text/tracker/content_map.rs b/crates/loro-core/src/container/text/tracker/content_map.rs
index 8f1cc776..fd011c81 100644
--- a/crates/loro-core/src/container/text/tracker/content_map.rs
+++ b/crates/loro-core/src/container/text/tracker/content_map.rs
@@ -3,7 +3,7 @@ use crdt_list::crdt::ListCrdt;
 use std::ops::{Deref, DerefMut};
 
 use rle::{
-    rle_tree::{node::LeafNode, Position, SafeCursor, SafeCursorMut, UnsafeCursor},
+    rle_tree::{Position, SafeCursor, SafeCursorMut, UnsafeCursor},
     HasLength, RleTree,
 };