diff --git a/crates/bevy_asset/Cargo.toml b/crates/bevy_asset/Cargo.toml
index 9f659b79c9ad2..eb5e2ce6a298a 100644
--- a/crates/bevy_asset/Cargo.toml
+++ b/crates/bevy_asset/Cargo.toml
@@ -38,7 +38,6 @@ parking_lot = { version = "0.12", features = ["arc_lock", "send_guard"] }
 ron = "0.8"
 serde = { version = "1", features = ["derive"] }
 thiserror = "1.0"
-notify-debouncer-full = { version = "0.3.1", optional = true }
 
 [target.'cfg(target_os = "android")'.dependencies]
 bevy_winit = { path = "../bevy_winit", version = "0.12.0" }
@@ -49,5 +48,8 @@ web-sys = { version = "0.3", features = ["Request", "Window", "Response"] }
 wasm-bindgen-futures = "0.4"
 js-sys = "0.3"
 
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+notify-debouncer-full = { version = "0.3.1", optional = true }
+
 [dev-dependencies]
 bevy_core = { path = "../bevy_core", version = "0.12.0" }
diff --git a/crates/bevy_asset/src/io/embedded/mod.rs b/crates/bevy_asset/src/io/embedded/mod.rs
index f6620b3e69cec..58ef0157b8b10 100644
--- a/crates/bevy_asset/src/io/embedded/mod.rs
+++ b/crates/bevy_asset/src/io/embedded/mod.rs
@@ -1,7 +1,7 @@
-#[cfg(feature = "embedded_watcher")]
+#[cfg(all(feature = "embedded_watcher", not(target_arch = "wasm32")))]
 mod embedded_watcher;
 
-#[cfg(feature = "embedded_watcher")]
+#[cfg(all(feature = "embedded_watcher", not(target_arch = "wasm32")))]
 pub use embedded_watcher::*;
 
 use crate::io::{
@@ -21,7 +21,7 @@ pub const EMBEDDED: &str = "embedded";
 #[derive(Resource, Default)]
 pub struct EmbeddedAssetRegistry {
     dir: Dir,
-    #[cfg(feature = "embedded_watcher")]
+    #[cfg(all(feature = "embedded_watcher", not(target_arch = "wasm32")))]
     root_paths: std::sync::Arc<
         parking_lot::RwLock<bevy_utils::HashMap<std::path::PathBuf, std::path::PathBuf>>,
     >,
@@ -34,7 +34,7 @@ impl EmbeddedAssetRegistry {
     /// or a [`Vec<u8>`].
     #[allow(unused)]
     pub fn insert_asset(&self, full_path: PathBuf, asset_path: &Path, value: impl Into<Value>) {
-        #[cfg(feature = "embedded_watcher")]
+        #[cfg(all(feature = "embedded_watcher", not(target_arch = "wasm32")))]
         self.root_paths
             .write()
             .insert(full_path.to_owned(), asset_path.to_owned());
@@ -47,7 +47,7 @@ impl EmbeddedAssetRegistry {
     /// or a [`Vec<u8>`].
     #[allow(unused)]
     pub fn insert_meta(&self, full_path: &Path, asset_path: &Path, value: impl Into<Value>) {
-        #[cfg(feature = "embedded_watcher")]
+        #[cfg(all(feature = "embedded_watcher", not(target_arch = "wasm32")))]
         self.root_paths
             .write()
             .insert(full_path.to_owned(), asset_path.to_owned());
@@ -68,7 +68,7 @@ impl EmbeddedAssetRegistry {
                 })
             });
 
-        #[cfg(feature = "embedded_watcher")]
+        #[cfg(all(feature = "embedded_watcher", not(target_arch = "wasm32")))]
         {
             let root_paths = self.root_paths.clone();
             let dir = self.dir.clone();
@@ -196,7 +196,7 @@ macro_rules! embedded_asset {
             .world
             .resource_mut::<$crate::io::embedded::EmbeddedAssetRegistry>();
         let path = $crate::embedded_path!($source_path, $path);
-        #[cfg(feature = "embedded_watcher")]
+        #[cfg(all(feature = "embedded_watcher", not(target_arch = "wasm32")))]
         let full_path = std::path::Path::new(file!()).parent().unwrap().join($path);
         #[cfg(not(feature = "embedded_watcher"))]
         let full_path = std::path::PathBuf::new();
diff --git a/crates/bevy_asset/src/io/file/mod.rs b/crates/bevy_asset/src/io/file/mod.rs
index aae016df3bf1d..b65873b710d33 100644
--- a/crates/bevy_asset/src/io/file/mod.rs
+++ b/crates/bevy_asset/src/io/file/mod.rs
@@ -1,4 +1,4 @@
-#[cfg(feature = "file_watcher")]
+#[cfg(all(feature = "file_watcher", not(target_arch = "wasm32")))]
 mod file_watcher;
 
 #[cfg(feature = "multi-threaded")]
@@ -6,7 +6,7 @@ mod file_asset;
 #[cfg(not(feature = "multi-threaded"))]
 mod sync_file_asset;
 
-#[cfg(feature = "file_watcher")]
+#[cfg(all(feature = "file_watcher", not(target_arch = "wasm32")))]
 pub use file_watcher::*;
 
 use std::{