diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9a0896d8234..c95b17da266 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -267,7 +267,7 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: clippy
-          args: --workspace --all-targets -- -D warnings
+          args: --workspace --all-targets --tests -- -D warnings
 
       - name: Run rustfmt
         uses: actions-rs/cargo@v1
diff --git a/crates/rspack_core/src/diagnostics.rs b/crates/rspack_core/src/diagnostics.rs
index 7e6ad787d78..b4588ec6c61 100644
--- a/crates/rspack_core/src/diagnostics.rs
+++ b/crates/rspack_core/src/diagnostics.rs
@@ -78,6 +78,7 @@ impl miette::Diagnostic for ModuleBuildError {
 }
 
 /// Represent any errors or warnings during module parse
+///
 /// This does NOT aligned with webpack as webpack does not have parse warning.
 /// However, rspack may create warning during parsing stage, taking CSS as an example.
 #[derive(Debug, Error)]
diff --git a/crates/rspack_core/src/options/filename.rs b/crates/rspack_core/src/options/filename.rs
index 3435d43f66f..002ffb3c6d8 100644
--- a/crates/rspack_core/src/options/filename.rs
+++ b/crates/rspack_core/src/options/filename.rs
@@ -127,10 +127,9 @@ impl LocalFilenameFn for NoFilenameFn {
 
 impl From<FilenameTemplate> for Filename {
   fn from(value: FilenameTemplate) -> Self {
-    Self(match value.0 {
-      FilenameKind::Template(template) => FilenameKind::Template(template),
-      FilenameKind::Fn(no_fn) => match no_fn.0 {},
-    })
+    let FilenameKind::Template(template) = value.0;
+
+    Self(FilenameKind::Template(template))
   }
 }
 
diff --git a/crates/rspack_regex/src/algo.rs b/crates/rspack_regex/src/algo.rs
index f3fc9c1f25c..62107985119 100644
--- a/crates/rspack_regex/src/algo.rs
+++ b/crates/rspack_regex/src/algo.rs
@@ -112,24 +112,6 @@ impl Algo {
   }
 }
 
-#[cfg(test)]
-impl Algo {
-  fn end_with_pats(&self) -> std::collections::HashSet<&str> {
-    match self {
-      Algo::EndWith { pats } => pats.iter().map(|s| s.as_str()).collect(),
-      Algo::Regress(_) => panic!("expect EndWith"),
-    }
-  }
-
-  fn is_end_with(&self) -> bool {
-    matches!(self, Self::EndWith { .. })
-  }
-
-  fn is_regress(&self) -> bool {
-    matches!(self, Self::Regress(..))
-  }
-}
-
 fn is_ends_with_regex(hir: &Hir) -> bool {
   if let HirKind::Concat(list) = hir.kind() {
     list[0].kind() != &HirKind::Look(Look::Start)
@@ -143,6 +125,23 @@ fn is_ends_with_regex(hir: &Hir) -> bool {
 mod test_algo {
   use super::*;
 
+  impl Algo {
+    fn end_with_pats(&self) -> std::collections::HashSet<&str> {
+      match self {
+        Algo::EndWith { pats } => pats.iter().map(|s| s.as_str()).collect(),
+        Algo::Regress(_) => panic!("expect EndWith"),
+      }
+    }
+
+    fn is_end_with(&self) -> bool {
+      matches!(self, Self::EndWith { .. })
+    }
+
+    fn is_regress(&self) -> bool {
+      matches!(self, Self::Regress(..))
+    }
+  }
+
   #[test]
   fn should_use_end_with_algo_with_i_flag() {
     assert!(Algo::new("\\.js$", "").unwrap().is_end_with());
diff --git a/crates/rspack_util/src/infallible.rs b/crates/rspack_util/src/infallible.rs
index 4589fe7896f..3224b1f0b8d 100644
--- a/crates/rspack_util/src/infallible.rs
+++ b/crates/rspack_util/src/infallible.rs
@@ -8,9 +8,7 @@ pub trait ResultInfallibleExt {
 impl<T> ResultInfallibleExt for Result<T, Infallible> {
   type Ok = T;
   fn always_ok(self) -> T {
-    match self {
-      Ok(ok) => ok,
-      Err(infallible) => match infallible {},
-    }
+    let Ok(ok) = self;
+    ok
   }
 }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index a9f7244565d..0ce1d9a0180 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -2,4 +2,4 @@
 profile = "default"
 # Use nightly for better access to the latest Rust features.
 # This date is aligned to stable release dates.
-channel = "nightly-2024-06-07" # v1.80.0
+channel = "nightly-2024-09-05" # v1.81.0