diff --git a/lib/config/migrate-validate.ts b/lib/config/migrate-validate.ts
index 63568b5b9c0811805463fc74a9791a2e49cfe845..294a6856cf5af1ba33d35f0720f1fdddc73e2c52 100644
--- a/lib/config/migrate-validate.ts
+++ b/lib/config/migrate-validate.ts
@@ -38,7 +38,6 @@ export async function migrateAndValidate(
     }
     massagedConfig.errors = (config.errors || []).concat(errors);
     if (!config.repoIsOnboarded) {
-      // TODO #556 - enable warnings in real PRs
       massagedConfig.warnings = (config.warnings || []).concat(warnings);
     }
     return massagedConfig;