diff --git a/Cargo.lock b/Cargo.lock
index 479070e..9c283e0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -15,21 +15,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
-name = "async-trait"
-version = "0.1.74"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a66537f1bb974b254c98ed142ff995236e81b9d0fe4db0575f46612cb15eb0f9"
+name = "async_state"
+version = "0.1.0"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.38",
+ "ic-cdk",
+ "once_cell",
 ]
 
 [[package]]
 name = "async_trait"
 version = "0.1.0"
 dependencies = [
- "async-trait",
  "ic-cdk",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index e397ba5..4453b56 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,11 @@
 [workspace]
-members = ["unit_struct", "build_script", "stateful", "async_trait"]
+members = [
+    "unit_struct",
+    "build_script",
+    "stateful",
+    "async_trait",
+    "async_state",
+]
 resolver = "2"
 
 [workspace.dependencies]
diff --git a/README.md b/README.md
index d49cb49..1eea4a5 100644
--- a/README.md
+++ b/README.md
@@ -35,5 +35,3 @@ The struct has state and the trait required methods take `&self` or `&mut self`
 ### async_trait
 
 The approach can work well with async.
-
-**Note**: Depends on `async-trait` crate.
diff --git a/async_state/Cargo.toml b/async_state/Cargo.toml
new file mode 100644
index 0000000..1dd718e
--- /dev/null
+++ b/async_state/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "async_state"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+ic-cdk.workspace = true
+once_cell  = "1"
+[lib]
+crate-type = ["cdylib"]
diff --git a/async_state/src/lib.rs b/async_state/src/lib.rs
new file mode 100644
index 0000000..9fefceb
--- /dev/null
+++ b/async_state/src/lib.rs
@@ -0,0 +1,46 @@
+// ic_cdk::generate!({path: "../../counter.did", service : Canister, trait: Counter});
+
+// Expand Start
+trait Counter {
+    async fn inc(&mut self);
+    fn read(&self) -> u64;
+}
+
+#[export_name = "canister_update inc"]
+fn __canister_method_inc() {
+    ic_cdk::setup();
+    ic_cdk::spawn(async {
+        let _result = CANISTER.lock().unwrap().inc().await;
+        ic_cdk::api::call::reply(())
+    });
+}
+
+#[export_name = "canister_query read"]
+fn __canister_method_read() {
+    ic_cdk::setup();
+    ic_cdk::spawn(async {
+        let result = CANISTER.lock().unwrap().read();
+        ic_cdk::api::call::reply((result,))
+    });
+}
+
+use once_cell::sync::Lazy;
+use std::sync::Mutex;
+static CANISTER: Lazy<Mutex<Canister>> = Lazy::new(|| Mutex::new(Default::default()));
+
+// Expand End
+
+#[derive(Default)]
+struct Canister {
+    counter: u64,
+}
+
+impl Counter for Canister {
+    async fn inc(&mut self) {
+        self.counter += 1;
+    }
+
+    fn read(&self) -> u64 {
+        self.counter
+    }
+}
diff --git a/async_trait/Cargo.toml b/async_trait/Cargo.toml
index 41a6398..b82d2b2 100644
--- a/async_trait/Cargo.toml
+++ b/async_trait/Cargo.toml
@@ -7,7 +7,6 @@ edition = "2021"
 
 [dependencies]
 ic-cdk.workspace = true
-async-trait = "0.1"
 
 [lib]
 crate-type = ["cdylib"]
diff --git a/async_trait/src/lib.rs b/async_trait/src/lib.rs
index 1206361..eb645a8 100644
--- a/async_trait/src/lib.rs
+++ b/async_trait/src/lib.rs
@@ -1,7 +1,6 @@
 // ic_cdk::generate!({path: "../../counter.did", service : Canister, trait: Counter});
 
 // Expand Start
-#[async_trait::async_trait]
 trait Counter {
     async fn inc();
     async fn read() -> u64;
@@ -34,7 +33,6 @@ thread_local! {
 
 struct Canister;
 
-#[async_trait::async_trait]
 impl Counter for Canister {
     async fn inc() {
         COUNTER.set(COUNTER.get() + 1);
diff --git a/dfx.json b/dfx.json
index 6027d4c..c39d0f7 100644
--- a/dfx.json
+++ b/dfx.json
@@ -27,6 +27,13 @@
             "candid": "counter.did",
             "wasm": "target/wasm32-unknown-unknown/release/async_trait.wasm",
             "shrink": true
+        },
+        "async_state": {
+            "type": "custom",
+            "build": "sh build.sh async_state",
+            "candid": "counter.did",
+            "wasm": "target/wasm32-unknown-unknown/release/async_state.wasm",
+            "shrink": true
         }
     }
 }
\ No newline at end of file
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..367314e
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "beta"
+targets = ["wasm32-unknown-unknown"]