diff --git a/.prettierignore b/.prettierignore
index a4f7b82..84f0e31 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,9 +1,6 @@
 # Ignore everything
 *
 
-# But not .mjs files
-!*.mjs
-!*.js
-
-# In all subdirectories
-!*/
+# But not JavaScript files in the packages directory
+!packages/**/*.mjs
+!packages/**/*.js
diff --git a/Cargo.toml b/Cargo.toml
index 1db98be..3dfd387 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -47,6 +47,3 @@ wasm-bindgen-test = "0.3.13"
 [profile.release]
 # Tell `rustc` to optimize for small code size.
 opt-level = "s"
-
-[lints.rust]
-unexpected_cfgs = { level = "warn", check-cfg = ['cfg(wasm_bindgen_unstable_test_coverage)'] }