diff --git a/Cargo.lock b/Cargo.lock
index 6c6f3dd..781e88a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -480,7 +480,6 @@ dependencies = [
  "miniz_oxide 0.7.1",
  "serde",
  "thiserror",
- "version-sync",
 ]
 
 [[package]]
@@ -536,12 +535,6 @@ dependencies = [
  "untrusted",
 ]
 
-[[package]]
-name = "semver"
-version = "1.0.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58bc9567378fc7690d6b2addae4e60ac2eeea07becb2c64b9f218b53865cba2a"
-
 [[package]]
 name = "serde"
 version = "1.0.152"
@@ -718,18 +711,6 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "version-sync"
-version = "0.9.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99d0801cec07737d88cb900e6419f6f68733867f90b3faaa837e84692e101bf0"
-dependencies = [
- "proc-macro2",
- "semver",
- "syn",
- "url",
-]
-
 [[package]]
 name = "wasi"
 version = "0.10.0+wasi-snapshot-preview1"
diff --git a/Cargo.toml b/Cargo.toml
index 068aeec..5a5cf58 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,6 @@ features = ["fast-gb-hanzi-encode"]
 [dev-dependencies]
 # backtrace 是在 cargo test 无法并行的情况下 用于产生 test name （从而产生 snapshot name ）
 insta = "1"
-version-sync = {version = "0.9", default-features = false, features = ["html_root_url_updated"]}
 csv = "1"
 
 [profile.bench]
diff --git a/src/lib.rs b/src/lib.rs
index d33799d..0cb8b31 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,4 @@
-#![doc(html_root_url = "https://docs.rs/rustdx/0.4.0")]
 #![feature(doc_auto_cfg)]
-// #![feature(test)]
-// extern crate test;
 
 pub mod bytes_helper;
 
diff --git a/tests/version-sync.rs b/tests/version-sync.rs
deleted file mode 100644
index 9f1d04a..0000000
--- a/tests/version-sync.rs
+++ /dev/null
@@ -1,4 +0,0 @@
-#[test]
-fn test_html_root_url() {
-    version_sync::assert_html_root_url_updated!("src/lib.rs");
-}