diff --git a/crates/napi/src/bindgen_runtime/js_values/bigint.rs b/crates/napi/src/bindgen_runtime/js_values/bigint.rs
index 27100318..67256488 100644
--- a/crates/napi/src/bindgen_runtime/js_values/bigint.rs
+++ b/crates/napi/src/bindgen_runtime/js_values/bigint.rs
@@ -52,7 +52,7 @@ impl FromNapiValue for BigInt {
         ptr::null_mut(),
       )
     })?;
-    let mut words: Vec<u64> = Vec::with_capacity(word_count as usize);
+    let mut words: Vec<u64> = Vec::with_capacity(word_count);
     let mut sign_bit = 0;
 
     unsafe {
@@ -64,7 +64,7 @@ impl FromNapiValue for BigInt {
         words.as_mut_ptr(),
       ))?;
 
-      words.set_len(word_count as usize);
+      words.set_len(word_count);
     }
     if word_count == 0 {
       words = vec![0];
@@ -155,7 +155,7 @@ impl ToNapiValue for BigInt {
 impl ToNapiValue for i128 {
   unsafe fn to_napi_value(env: sys::napi_env, val: Self) -> crate::Result<sys::napi_value> {
     let mut raw_value = ptr::null_mut();
-    let sign_bit = if val > 0 { 0 } else { 1 };
+    let sign_bit = i32::from(val <= 0);
     let words = &val as *const i128 as *const u64;
     check_status!(unsafe {
       sys::napi_create_bigint_words(env, sign_bit, 2, words, &mut raw_value)
diff --git a/crates/napi/src/bindgen_runtime/js_values/value_ref.rs b/crates/napi/src/bindgen_runtime/js_values/value_ref.rs
index f12c9bee..4ee5627b 100644
--- a/crates/napi/src/bindgen_runtime/js_values/value_ref.rs
+++ b/crates/napi/src/bindgen_runtime/js_values/value_ref.rs
@@ -66,6 +66,7 @@ impl<T> Drop for Reference<T> {
 
 impl<T: 'static> Reference<T> {
   #[doc(hidden)]
+  #[allow(clippy::not_unsafe_ptr_arg_deref)]
   pub fn add_ref(env: crate::sys::napi_env, t: *mut c_void, value: RefInformation) {
     REFERENCE_MAP.borrow_mut(|map| {
       if let Some((_, previous_ref, previous_rc)) = map.insert(t, value) {
diff --git a/crates/napi/src/env.rs b/crates/napi/src/env.rs
index 20849d77..f9a9e3ec 100644
--- a/crates/napi/src/env.rs
+++ b/crates/napi/src/env.rs
@@ -115,7 +115,7 @@ impl Env {
   #[cfg(feature = "napi6")]
   pub fn create_bigint_from_i128(&self, value: i128) -> Result<JsBigInt> {
     let mut raw_value = ptr::null_mut();
-    let sign_bit = if value > 0 { 0 } else { 1 };
+    let sign_bit = i32::from(value <= 0);
     let words = &value as *const i128 as *const u64;
     check_status!(unsafe {
       sys::napi_create_bigint_words(self.0, sign_bit, 2, words, &mut raw_value)
diff --git a/crates/napi/src/js_values/bigint.rs b/crates/napi/src/js_values/bigint.rs
index 245cddb1..2725c7be 100644
--- a/crates/napi/src/js_values/bigint.rs
+++ b/crates/napi/src/js_values/bigint.rs
@@ -204,7 +204,7 @@ impl TryFrom<JsBigInt> for u64 {
 impl JsBigInt {
   /// <https://nodejs.org/api/n-api.html#n_api_napi_get_value_bigint_words>
   pub fn get_words(&mut self) -> Result<(bool, Vec<u64>)> {
-    let mut words: Vec<u64> = Vec::with_capacity(self.word_count as usize);
+    let mut words: Vec<u64> = Vec::with_capacity(self.word_count);
     let word_count = &mut self.word_count;
     let mut sign_bit = 0;
     check_status!(unsafe {
@@ -218,7 +218,7 @@ impl JsBigInt {
     })?;
 
     unsafe {
-      words.set_len(self.word_count as usize);
+      words.set_len(self.word_count);
     };
 
     Ok((sign_bit == 1, words))
diff --git a/crates/napi/src/js_values/string/mod.rs b/crates/napi/src/js_values/string/mod.rs
index 0e5eeff8..313e46b1 100644
--- a/crates/napi/src/js_values/string/mod.rs
+++ b/crates/napi/src/js_values/string/mod.rs
@@ -35,7 +35,7 @@ impl JsString {
     check_status!(unsafe {
       sys::napi_get_value_string_utf8(self.0.env, self.0.value, ptr::null_mut(), 0, &mut length)
     })?;
-    Ok(length as usize)
+    Ok(length)
   }
 
   pub fn utf16_len(&self) -> Result<usize> {
@@ -43,7 +43,7 @@ impl JsString {
     check_status!(unsafe {
       sys::napi_get_value_string_utf16(self.0.env, self.0.value, ptr::null_mut(), 0, &mut length)
     })?;
-    Ok(length as usize)
+    Ok(length)
   }
 
   pub fn latin1_len(&self) -> Result<usize> {
@@ -51,7 +51,7 @@ impl JsString {
     check_status!(unsafe {
       sys::napi_get_value_string_latin1(self.0.env, self.0.value, ptr::null_mut(), 0, &mut length)
     })?;
-    Ok(length as usize)
+    Ok(length)
   }
 
   pub fn into_utf8(self) -> Result<JsStringUtf8> {
diff --git a/examples/napi-compat-mode/src/object.rs b/examples/napi-compat-mode/src/object.rs
index a8f62ca6..bf5649d9 100644
--- a/examples/napi-compat-mode/src/object.rs
+++ b/examples/napi-compat-mode/src/object.rs
@@ -87,7 +87,7 @@ fn test_delete_named_property(ctx: CallContext) -> Result<JsBoolean> {
 fn test_get_property(ctx: CallContext) -> Result<JsUnknown> {
   let obj = ctx.get::<JsObject>(0)?;
   let key = ctx.get::<JsUnknown>(1)?;
-  obj.get_property(&key)
+  obj.get_property(key)
 }
 
 #[js_function(1)]
diff --git a/examples/napi/src/either.rs b/examples/napi/src/either.rs
index ab00955b..a316a603 100644
--- a/examples/napi/src/either.rs
+++ b/examples/napi/src/either.rs
@@ -22,13 +22,7 @@ fn either3(input: Either3<String, u32, bool>) -> u32 {
   match input {
     Either3::A(s) => s.len() as u32,
     Either3::B(n) => n,
-    Either3::C(b) => {
-      if b {
-        1
-      } else {
-        0
-      }
-    }
+    Either3::C(b) => u32::from(b),
   }
 }
 
@@ -42,13 +36,7 @@ fn either4(input: Either4<String, u32, bool, Obj>) -> u32 {
   match input {
     Either4::A(s) => s.len() as u32,
     Either4::B(n) => n,
-    Either4::C(b) => {
-      if b {
-        1
-      } else {
-        0
-      }
-    }
+    Either4::C(b) => u32::from(b),
     Either4::D(f) => match f.v {
       Either::A(s) => s.len() as u32,
       Either::B(n) => n,
diff --git a/examples/napi/src/typed_array.rs b/examples/napi/src/typed_array.rs
index 9cc5ae14..2d7caaef 100644
--- a/examples/napi/src/typed_array.rs
+++ b/examples/napi/src/typed_array.rs
@@ -69,5 +69,5 @@ impl Task for AsyncBuffer {
 
 #[napi]
 fn async_reduce_buffer(buf: Buffer) -> Result<AsyncTask<AsyncBuffer>> {
-  Ok(AsyncTask::new(AsyncBuffer { buf: buf.clone() }))
+  Ok(AsyncTask::new(AsyncBuffer { buf }))
 }
diff --git a/memory-testing/src/lib.rs b/memory-testing/src/lib.rs
index b41c1362..1b0c432d 100644
--- a/memory-testing/src/lib.rs
+++ b/memory-testing/src/lib.rs
@@ -75,7 +75,7 @@ pub fn test_async(env: Env) -> napi::Result<napi::JsObject> {
 
 #[napi]
 pub fn from_js(env: Env, input_object: Object) -> napi::Result<String> {
-  let a: Welcome = env.from_js_value(&input_object)?;
+  let a: Welcome = env.from_js_value(input_object)?;
   Ok(serde_json::to_string(&a)?)
 }