diff --git a/web/src/audio.rs b/web/src/audio.rs
index 206fcd057a0f..39ac611e4874 100644
--- a/web/src/audio.rs
+++ b/web/src/audio.rs
@@ -12,7 +12,7 @@ use tracing_subscriber::layer::Layered;
 use tracing_subscriber::Registry;
 use tracing_wasm::WASMLayer;
 use wasm_bindgen::prelude::*;
-use web_sys::AudioContext;
+use web_sys::{AudioContext, AudioScheduledSourceNode};
 
 #[allow(dead_code)]
 pub struct WebAudioBackend {
@@ -230,7 +230,8 @@ impl Buffer {
         audio_node
             .connect_with_audio_node(&self.context.destination())
             .into_js_result()?;
-        audio_node.set_onended(Some(self.on_ended_handler.as_ref().unchecked_ref()));
+        let scheduled: &AudioScheduledSourceNode = &audio_node;
+        scheduled.set_onended(Some(self.on_ended_handler.as_ref().unchecked_ref()));
 
         // Sanity: ensure our player time is not in the past. This can happen due to underruns.
         self.time
@@ -250,7 +251,8 @@ impl Buffer {
 impl Drop for Buffer {
     fn drop(&mut self) {
         if let Some(audio_node) = self.audio_node.take() {
-            audio_node.set_onended(None);
+            let scheduled: &AudioScheduledSourceNode = &audio_node;
+            scheduled.set_onended(None);
         }
     }
 }
diff --git a/web/src/lib.rs b/web/src/lib.rs
index 55a8b3c63dfa..03b514a3239c 100644
--- a/web/src/lib.rs
+++ b/web/src/lib.rs
@@ -78,13 +78,14 @@ impl<E: FromWasmAbi + 'static> JsCallback<E> {
         let target = target.as_ref();
         let closure = Closure::new(closure);
 
+        let options = AddEventListenerOptions::new();
+        options.set_passive(false);
+        options.set_capture(is_capture);
         target
             .add_event_listener_with_callback_and_add_event_listener_options(
                 name,
                 closure.as_ref().unchecked_ref(),
-                AddEventListenerOptions::new()
-                    .passive(false)
-                    .capture(is_capture),
+                &options,
             )
             .warn_on_error();
 
diff --git a/web/src/navigator.rs b/web/src/navigator.rs
index f026f5909763..9d36ea425aa0 100644
--- a/web/src/navigator.rs
+++ b/web/src/navigator.rs
@@ -269,15 +269,17 @@ impl NavigatorBackend for WebNavigatorBackend {
         };
 
         Box::pin(async move {
-            let mut init = RequestInit::new();
+            let init = RequestInit::new();
 
-            init.method(&request.method().to_string());
-            init.credentials(credentials);
+            init.set_method(&request.method().to_string());
+            init.set_credentials(credentials);
 
             if let Some((data, mime)) = request.body() {
+                let options = BlobPropertyBag::new();
+                options.set_type(mime);
                 let blob = Blob::new_with_buffer_source_sequence_and_options(
                     &Array::from_iter([Uint8Array::from(data.as_slice()).buffer()]),
-                    BlobPropertyBag::new().type_(mime),
+                    &options,
                 )
                 .map_err(|_| ErrorResponse {
                     url: url.to_string(),
@@ -289,7 +291,7 @@ impl NavigatorBackend for WebNavigatorBackend {
                     error: Error::FetchError("Got JS error".to_string()),
                 })?;
 
-                init.body(Some(&blob));
+                init.set_body(&blob);
             }
 
             let web_request = match WebRequest::new_with_str_and_init(url.as_str(), &init) {