diff --git a/core/mvcc/.github/workflows/smoke_test.yml b/core/mvcc/.github/workflows/smoke_test.yml
index 3b31f99b3..33c5f1948 100644
--- a/core/mvcc/.github/workflows/smoke_test.yml
+++ b/core/mvcc/.github/workflows/smoke_test.yml
@@ -44,7 +44,7 @@ jobs:
         uses: actions-rs/clippy-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          args: --all-targets --tests --all-features -- -D warnings
+          args: --all-targets --all-features -- -D warnings
   rust-fmt:
     runs-on: ubuntu-latest
     name: Run Rustfmt
diff --git a/core/mvcc/database/benches/my_benchmark.rs b/core/mvcc/database/benches/my_benchmark.rs
index 7f6f8ea50..6aead08e5 100644
--- a/core/mvcc/database/benches/my_benchmark.rs
+++ b/core/mvcc/database/benches/my_benchmark.rs
@@ -1,5 +1,6 @@
-use criterion::{black_box, criterion_group, criterion_main, Criterion};
-use mvcc_rs::database::{Database, LocalClock, Row};
+use criterion::{criterion_group, criterion_main, Criterion};
+use mvcc_rs::clock::LocalClock;
+use mvcc_rs::database::{Database, Row};
 use pprof::criterion::{Output, PProfProfiler};
 
 fn bench(c: &mut Criterion) {