diff --git a/clients/client-sts/tsconfig.types.json b/clients/client-sts/tsconfig.types.json
index 4c3dfa7b3d25..8b7606a2c091 100644
--- a/clients/client-sts/tsconfig.types.json
+++ b/clients/client-sts/tsconfig.types.json
@@ -6,5 +6,5 @@
     "declarationDir": "dist-types",
     "emitDeclarationOnly": true
   },
-  "exclude": ["test/**/*", "dist-types/**/*"]
+  "exclude": ["test/**/*", "dist-types/**/*", "vitest.*.ts"]
 }