diff --git a/.cargo/config.toml b/.cargo/config.toml
deleted file mode 100644
index 489950ee0..000000000
--- a/.cargo/config.toml
+++ /dev/null
@@ -1,4 +0,0 @@
-[build]
-# As of wgpu 0.19.1, these are necessary to build for WebGPU.
-rustflags = ["--cfg=web_sys_unstable_apis"]
-rustdocflags = ["--cfg=web_sys_unstable_apis"]
diff --git a/tools/cross-compiler/src/main.rs b/tools/cross-compiler/src/main.rs
index 735a65c51..9f40dd67d 100644
--- a/tools/cross-compiler/src/main.rs
+++ b/tools/cross-compiler/src/main.rs
@@ -39,10 +39,7 @@ fn main() -> anyhow::Result<()> {
                 .arg("--all-features")
                 .args(["--target", target.triple])
                 .args(["-p", crate_])
-                // Wee need to recreate that `web_sys` cfg here. It's already
-                // specified in `.cargo/config`, but the use of `RUSTFLAGS` here
-                // overwrites that.
-                .env("RUSTFLAGS", "-D warnings --cfg=web_sys_unstable_apis");
+                .env("RUSTFLAGS", "-D warnings");
 
             println!("Running {command:?}");
             let status = command.status()?;