diff --git a/core/src/avm1/debug.rs b/core/src/avm1/debug.rs
index f6401a635..09f9a8811 100644
--- a/core/src/avm1/debug.rs
+++ b/core/src/avm1/debug.rs
@@ -1,5 +1,6 @@
 use crate::avm1::activation::Activation;
 use crate::avm1::{AvmString, Object, ObjectPtr, TObject, Value};
+use std::fmt::Write;
 
 #[allow(dead_code)]
 pub struct VariableDumper<'a> {
@@ -174,7 +175,9 @@ impl<'a> VariableDumper<'a> {
         self.depth += 1;
 
         for key in keys.into_iter() {
-            self.output.push_str(&format!("{}.{}", name, key));
+            self.output.push_str(name);
+            self.output.push('.');
+            let _ = write!(self.output, "{}", key);
             self.output.push_str(" = ");
             self.print_property(object, key, activation);
             self.output.push('\n');
diff --git a/core/src/avm1/property_decl.rs b/core/src/avm1/property_decl.rs
index f8349883c..3f422de6f 100644
--- a/core/src/avm1/property_decl.rs
+++ b/core/src/avm1/property_decl.rs
@@ -114,7 +114,7 @@ impl Declaration {
 ///
 /// # Usage:
 ///
-/// ```rust,ignored
+/// ```rust,ignore
 /// const DECLS: &'static [Declaration] = declare_properties! {
 ///     "length" => property(get_length);
 ///     "filters" => property(get_filters, set_filters);
@@ -126,7 +126,7 @@ impl Declaration {
 ///     "scale" => float(0.85);
 ///     // all declarations can also specify attributes
 ///     "hidden" => string("shh!"; DONT_ENUM | DONT_DELETE | READ_ONLY);
-/// }
+/// };
 /// ```
 macro_rules! declare_properties {
     ( $($name:literal => $kind:ident($($args:tt)*);)* ) => {
diff --git a/render/canvas/src/lib.rs b/render/canvas/src/lib.rs
index 856d0fb55..41403b209 100644
--- a/render/canvas/src/lib.rs
+++ b/render/canvas/src/lib.rs
@@ -127,7 +127,7 @@ impl BitmapDataStorage {
             .dyn_into()
             .unwrap();
 
-        let _ = context.put_image_data(&data, 0.0, 0.0).unwrap();
+        context.put_image_data(&data, 0.0, 0.0).unwrap();
 
         BitmapDataStorage::CanvasElement(canvas, context)
     }
diff --git a/swf/src/string.rs b/swf/src/string.rs
index d9f12a885..2f1945520 100644
--- a/swf/src/string.rs
+++ b/swf/src/string.rs
@@ -248,7 +248,7 @@ impl<'a> From<&'a str> for &'a SwfStr {
     }
 }
 
-impl<'a, T: ?Sized + AsRef<str>> PartialEq<T> for SwfStr {
+impl<T: ?Sized + AsRef<str>> PartialEq<T> for SwfStr {
     fn eq(&self, other: &T) -> bool {
         &self.string == other.as_ref().as_bytes()
     }
diff --git a/web/src/audio.rs b/web/src/audio.rs
index 0c31e2c35..7d42092fe 100644
--- a/web/src/audio.rs
+++ b/web/src/audio.rs
@@ -122,7 +122,7 @@ struct SoundInstance {
 impl Drop for SoundInstance {
     fn drop(&mut self) {
         if let SoundInstanceType::AudioBuffer(instance) = &self.instance_type {
-            let _ = instance.buffer_source_node.set_onended(None);
+            instance.buffer_source_node.set_onended(None);
             let _ = instance.node.disconnect();
         }
     }
@@ -474,7 +474,7 @@ impl WebAudioBackend {
                 let closure = Closure::once_into_js(Box::new(ended_handler) as Box<dyn FnMut()>);
                 // Note that we add the ended event to the AudioBufferSourceNode; an audio envelope adds more nodes
                 // in the graph, but these nodes don't fire the ended event.
-                let _ = buffer_source_node.set_onended(Some(closure.as_ref().unchecked_ref()));
+                buffer_source_node.set_onended(Some(closure.as_ref().unchecked_ref()));
 
                 instance_handle
             }
diff --git a/wstr/src/pattern.rs b/wstr/src/pattern.rs
index e7344f44b..07ebdf2b5 100644
--- a/wstr/src/pattern.rs
+++ b/wstr/src/pattern.rs
@@ -263,7 +263,7 @@ impl<'a, T: Copy, U: Copy + Eq + TryFrom<T>> Predicate<T> for AnyOf<'a, U> {
 
 pub struct FnPred<F>(F);
 
-impl<'a, T: Into<u16>, F: Fn(u16) -> bool> Predicate<T> for FnPred<F> {
+impl<T: Into<u16>, F: Fn(u16) -> bool> Predicate<T> for FnPred<F> {
     fn is_match(&self, c: T) -> bool {
         (self.0)(c.into())
     }