diff --git a/render-wasm/src/math/bools.rs b/render-wasm/src/math/bools.rs
index 5e43764826..4ada56d8a5 100644
--- a/render-wasm/src/math/bools.rs
+++ b/render-wasm/src/math/bools.rs
@@ -300,7 +300,7 @@ impl Ord for BezierStart {
 
 type BM<'a> = BTreeMap<BezierStart, Vec<(BezierSource, Bezier)>>;
 
-fn init_bm(beziers: &[(BezierSource, Bezier)]) -> BM {
+fn init_bm(beziers: &[(BezierSource, Bezier)]) -> BM<'_> {
     let mut bm = BM::default();
     for entry @ (source, bezier) in beziers.iter() {
         let value = *entry;
diff --git a/render-wasm/src/render/text.rs b/render-wasm/src/render/text.rs
index 4f69d38926..5ce58ac533 100644
--- a/render-wasm/src/render/text.rs
+++ b/render-wasm/src/render/text.rs
@@ -83,8 +83,8 @@ fn get_text_stroke_paints(
             let shader = text_paint.shader();
             let mut is_opaque = true;
 
-            if shader.is_some() {
-                is_opaque = shader.unwrap().is_opaque();
+            if let Some(shader) = shader {
+                is_opaque = shader.is_opaque();
             }
 
             if is_opaque && count_inner_strokes == 1 {
diff --git a/render-wasm/src/shapes.rs b/render-wasm/src/shapes.rs
index c8c6c96b34..5b421ad3e6 100644
--- a/render-wasm/src/shapes.rs
+++ b/render-wasm/src/shapes.rs
@@ -504,7 +504,7 @@ impl Shape {
         (added, removed)
     }
 
-    pub fn fills(&self) -> std::slice::Iter<Fill> {
+    pub fn fills(&self) -> std::slice::Iter<'_, Fill> {
         self.fills.iter()
     }
 
diff --git a/render-wasm/src/shapes/bools.rs b/render-wasm/src/shapes/bools.rs
index 9fa6610887..644c4108d2 100644
--- a/render-wasm/src/shapes/bools.rs
+++ b/render-wasm/src/shapes/bools.rs
@@ -1,30 +1,16 @@
 use super::Path;
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Default, Clone, PartialEq)]
 pub struct Bool {
     pub bool_type: BoolType,
     pub path: Path,
 }
 
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Default, Clone, Copy, PartialEq)]
 pub enum BoolType {
+    #[default]
     Union,
     Difference,
     Intersection,
     Exclusion,
 }
-
-impl Default for Bool {
-    fn default() -> Self {
-        Bool {
-            bool_type: BoolType::Union,
-            path: Path::default(),
-        }
-    }
-}
-
-impl Default for BoolType {
-    fn default() -> Self {
-        Self::Union
-    }
-}
diff --git a/render-wasm/src/shapes/shadows.rs b/render-wasm/src/shapes/shadows.rs
index 28d940eddd..71e09a493c 100644
--- a/render-wasm/src/shapes/shadows.rs
+++ b/render-wasm/src/shapes/shadows.rs
@@ -3,18 +3,13 @@ use skia_safe::{self as skia, image_filters, ImageFilter, Paint};
 use super::Color;
 use crate::render::filters::compose_filters;
 
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Default, Clone, Copy, PartialEq)]
 pub enum ShadowStyle {
+    #[default]
     Drop,
     Inner,
 }
 
-impl Default for ShadowStyle {
-    fn default() -> Self {
-        Self::Drop
-    }
-}
-
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub struct Shadow {
     pub color: Color,
diff --git a/render-wasm/src/wasm/paths.rs b/render-wasm/src/wasm/paths.rs
index aa70cbe3a2..5fb9bc7c28 100644
--- a/render-wasm/src/wasm/paths.rs
+++ b/render-wasm/src/wasm/paths.rs
@@ -180,7 +180,7 @@ pub extern "C" fn set_shape_path_buffer() {
         let buffer = get_path_upload_buffer();
         let mut buffer = buffer.lock().unwrap();
         let chunk_size = size_of::<RawSegmentData>();
-        if buffer.len() % chunk_size != 0 {
+        if !buffer.len().is_multiple_of(chunk_size) {
             // FIXME
             println!("Warning: buffer length is not a multiple of chunk size!");
         }