diff --git a/.lintstagedrc.js b/.lintstagedrc.js
new file mode 100644
index 00000000000..3c64a9b658c
--- /dev/null
+++ b/.lintstagedrc.js
@@ -0,0 +1,9 @@
+module.exports = {
+  '*.{e2e,e2e-ee,spec}.{js,ts}': ['stop-only --file'],
+  '**/*.{ts,tsx,js,jsx,json}': (files) => {
+    const filtered = files.filter((file) => !file.includes('/internal-sdk/'));
+    if (filtered.length === 0) return [];
+
+    return [`biome check --write --no-errors-on-unmatched --diagnostic-level=error ${filtered.join(' ')}`];
+  },
+};
diff --git a/package.json b/package.json
index 1d8f5f3f7ed..2f89de832ab 100644
--- a/package.json
+++ b/package.json
@@ -144,14 +144,6 @@
       "pre-commit": "lint-staged"
     }
   },
-  "lint-staged": {
-    "*.{e2e,e2e-ee,spec}.{js,ts}": [
-      "stop-only --file"
-    ],
-    "**/*.{ts,tsx,js,jsx,json}": [
-      "biome check --write --no-errors-on-unmatched --diagnostic-level=error"
-    ]
-  },
   "engines": {
     "node": ">=22 <23",
     "pnpm": "^10.0.0"