diff --git a/README.md b/README.md
index 30fae11..0586088 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Once the development environment is set up, build the node template. This comman
 [native](https://substrate.dev/docs/en/knowledgebase/advanced/executor#native-execution) code:
 
 ```bash
-cargo build --release
+WASM_BUILD_TOOLCHAIN=nightly-2020-10-05 cargo build --release
 ```
 
 ## Run
diff --git a/docker-compose.yml b/docker-compose.yml
index bc1922f..f7f4903 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,6 +9,7 @@ services:
       - "9944:9944"
     environment:
       - CARGO_HOME=/var/www/node-template/.cargo
+      - WASM_BUILD_TOOLCHAIN=nightly-2020-10-05
     volumes:
       - .:/var/www/node-template
       - type: bind
diff --git a/rust-toolchain b/rust-toolchain
deleted file mode 100644
index 65f2e79..0000000
--- a/rust-toolchain
+++ /dev/null
@@ -1,2 +0,0 @@
-stable-x86_64-unknown-linux-gnu
-nightly-2020-10-05