diff --git a/trie/trie.go b/trie/trie.go
index af8bb862a9..e1a9201108 100644
--- a/trie/trie.go
+++ b/trie/trie.go
@@ -53,7 +53,6 @@ type Trie struct {
 	reader *trieReader
 
 	// tracer is the tool to track the trie changes.
-	// It will be reset after each commit operation.
 	tracer *tracer
 }