diff --git a/Cargo.lock b/Cargo.lock
index 691bd338..72e9bb9f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2732,7 +2732,6 @@ dependencies = [
  "tokio",
  "trice",
  "url",
- "utf-8",
  "uuid",
 ]
 
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 0147c1b4..cf6ff94b 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -49,7 +49,6 @@ thiserror = "1.0.31"
 tikv = { version = "0.1.0", package = "tikv-client", optional = true }
 trice = "0.1.0"
 url = "2.2.2"
-utf-8 = "0.7.6"
 uuid = { version = "1.1.2", features = ["serde", "v4"] }
 
 [dev-dependencies]