diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 2bc3487..42d6d2d 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -50,3 +50,16 @@ jobs:
       - run: rustup component add rustfmt --toolchain nightly-x86_64-unknown-linux-gnu
       - name: fmt check
         run: cargo fmt --all -- --check
+
+  clippy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: Swatinem/rust-cache@v1.2.0
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          override: true
+      - run: rustup component add clippy
+      - name: Clippy check
+        run: cargo clippy -- -D warnings
diff --git a/src/error.rs b/src/error.rs
index ff8845e..5d13ba9 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,19 +1,18 @@
 use http_body_util::combinators::BoxBody;
 use http_body_util::BodyExt;
 use hyper::body::Bytes;
-use hyper::header::{HeaderValue, ACCESS_CONTROL_ALLOW_ORIGIN};
 use hyper::{Response, StatusCode};
 
 use crate::{empty, full};
 
 #[derive(Debug)]
+#[allow(clippy::enum_variant_names)]
 pub(crate) enum Error {
     BadGateway,
     MethodNotAllowed,
     UnsupportedMediaType,
     BadRequest(String),
     NotFound,
-    #[allow(clippy::enum_variant_names)]
     InternalServerError,
 }