diff --git a/Cargo.toml b/Cargo.toml
index d72d81e7..e4fcb0e4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ tokio = { version = "1", features = ["rt", "sync", "io-util", "macros", "time"],
 futures = { version = "0.3", optional = true }
 crossbeam = "0.8.0"
 
-[target.'cfg(windows)'.dependencies] 
+[target.'cfg(windows)'.dependencies]
 windows-sys = {version = "0.48", features = [ "Win32_Foundation", "Win32_Storage_FileSystem", "Win32_System_IO", "Win32_System_Pipes", "Win32_Security", "Win32_System_Threading"]}
 
 [target.'cfg(any(target_os = "linux", target_os = "android"))'.dependencies]
@@ -31,9 +31,6 @@ tokio-vsock = { version = "0.4.0", optional = true }
 [build-dependencies]
 protobuf-codegen = "3.1.0"
 
-[dev-dependencies]
-assert_cmd = "2.0.7"
-
 [features]
 default = ["sync"]
 async = ["async-trait", "tokio", "futures", "tokio-vsock"]
diff --git a/src/asynchronous/shutdown.rs b/src/asynchronous/shutdown.rs
index 9d1bb136..0bcf85c7 100644
--- a/src/asynchronous/shutdown.rs
+++ b/src/asynchronous/shutdown.rs
@@ -32,7 +32,7 @@ pub struct Waiter {
 
 /// Used to Notify all [`Waiter`s](Waiter) shutdown.
 ///
-/// No `Clone` is provided. If you want multiple instances, you can use Arc<Notifier>.
+/// No `Clone` is provided. If you want multiple instances, you can use `Arc<Notifier>`.
 /// Notifier will automatically call shutdown when dropping.
 #[derive(Debug)]
 pub struct Notifier {
diff --git a/src/lib.rs b/src/lib.rs
index cd4872a3..9742b7a0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -24,7 +24,6 @@
 //!
 //! - `async`: Enables async server and client.
 //! - `sync`: Enables traditional sync server and client (default enabled).
-//! - `protobuf-codec`: Includes rust-protobuf (default enabled).
 //!
 //! # Socket address
 //!