diff --git a/.prettierrc b/.prettierrc
index a7c0228bf8d4..0fd4cd0a2cc1 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -23,6 +23,8 @@
 				"**/CHANGELOG.md",
 				"**/vite.config.js.timestamp-*",
 				"**/.svelte-kit/**",
+				"**/.custom-out-dir/**",
+				"**/build/**",
 				"**/test-results/**",
 				"documentation/**/*.md",
 				"packages/package/test/fixtures/**/expected/**/*",
diff --git a/eslint.config.js b/eslint.config.js
index 8efec2c35168..082e3ada57fa 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -11,10 +11,10 @@ export default [
 	{
 		ignores: [
 			'**/.svelte-kit',
-			'packages/adapter-static/test/apps/*/build',
-			'packages/adapter-cloudflare/files',
-			'packages/adapter-netlify/files',
-			'packages/adapter-node/files'
+			'**/test-results',
+			'**/build',
+			'**/.custom-out-dir',
+			'packages/adapter-*/files'
 		]
 	},
 	{
diff --git a/packages/kit/.prettierignore b/packages/kit/.prettierignore
index c7b4cb017736..e0904af006f2 100644
--- a/packages/kit/.prettierignore
+++ b/packages/kit/.prettierignore
@@ -2,5 +2,7 @@ test/build-errors/apps/syntax-error/src/routes/+page.svelte
 /types
 src/runtime/components/svelte-5/layout.svelte
 .svelte-kit
+.custom-out-dir
+build
 test-results
 /test/apps/basics/test/errors.json