diff --git a/benchmark/make-project/_template.js b/benchmark/make-project/_template.js
index 00ebdc4737..dd392138e9 100644
--- a/benchmark/make-project/_template.js
+++ b/benchmark/make-project/_template.js
@@ -3,4 +3,6 @@
  * previous artifacts here before generating files.
  * @param {URL} projectDir
  */
+// biome-ignore lint/correctness/noUnusedVariables: parameters here are template placeholders
+// biome-ignore lint/correctness/noUnusedFunctionParameters: (same as above)
 export async function run(projectDir) {}
diff --git a/packages/astro/src/core/build/static-build.ts b/packages/astro/src/core/build/static-build.ts
index ba0811c840..71046956c8 100644
--- a/packages/astro/src/core/build/static-build.ts
+++ b/packages/astro/src/core/build/static-build.ts
@@ -366,7 +366,8 @@ async function cleanServerOutput(
 			files.map(async (filename) => {
 				const url = new URL(filename, out);
 				const map = new URL(url + '.map');
-				await Promise.all([fs.promises.rm(url), fs.promises.rm(new URL(map)).catch((e) => {})]);
+				// Sourcemaps may not be generated, so ignore any errors if fail to remove it
+				await Promise.all([fs.promises.rm(url), fs.promises.rm(map).catch(() => {})]);
 			}),
 		);
 
diff --git a/scripts/cmd/build.js b/scripts/cmd/build.js
index d5a9336d85..2cc99b7d30 100644
--- a/scripts/cmd/build.js
+++ b/scripts/cmd/build.js
@@ -48,7 +48,6 @@ export default async function build(...args) {
 	const noClean = args.includes('--no-clean-dist');
 	const bundle = args.includes('--bundle');
 	const forceCJS = args.includes('--force-cjs');
-	const copyWASM = args.includes('--copy-wasm');
 
 	const { type = 'module', dependencies = {} } = await readPackageJSON('./package.json');