diff --git a/Cargo.toml b/Cargo.toml
index 4503b94..4e0db40 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,8 +13,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde_cbor = "0.11.2"
 rmp-serde = "1.1.1"
-async-channel = "1.9.0"
-async_channel_2 = { package = "async-channel", version = "2.3.1" }
+async-channel = "2.3.1"
 chrono = { version = "0.4.26", features = ["serde"] }
 url = { version = "2.5.3", default-features = false }
 regex = "1.9.1"
diff --git a/src/lib.rs b/src/lib.rs
index 2c1ff36..428def4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -340,18 +340,6 @@ impl From<async_channel::RecvError> for Error {
     }
 }
 
-impl<T> From<async_channel_2::SendError<T>> for Error {
-    fn from(k: async_channel_2::SendError<T>) -> Self {
-        Self::from_string(k)
-    }
-}
-
-impl From<async_channel_2::RecvError> for Error {
-    fn from(k: async_channel_2::RecvError) -> Self {
-        Self::from_string(k)
-    }
-}
-
 impl From<chrono::format::ParseError> for Error {
     fn from(k: chrono::format::ParseError) -> Self {
         Self::from_string(k)
@@ -562,7 +550,10 @@ mod test {
 
     #[test]
     fn error_handle_a_00() {
-        assert_eq!(format!("{}", SomeErrorEnumA::BadCase), "SomeErrorEnumA::BadCase");
+        assert_eq!(
+            format!("{}", SomeErrorEnumA::BadCase),
+            "SomeErrorEnumA::BadCase"
+        );
     }
 
     #[test]