diff --git a/runtime/cere-dev/src/lib.rs b/runtime/cere-dev/src/lib.rs
index 9b27a9250..042059c49 100644
--- a/runtime/cere-dev/src/lib.rs
+++ b/runtime/cere-dev/src/lib.rs
@@ -1376,7 +1376,6 @@ pub type UncheckedExtrinsic =
 pub type SignedPayload = generic::SignedPayload<RuntimeCall, SignedExtra>;
 /// Extrinsic type that has already been checked.
 pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, RuntimeCall, SignedExtra>;
-const IDENTITY_MIGRATION_KEY_LIMIT: u64 = u64::MAX;
 
 /// Runtime migrations
 type Migrations = (