diff --git a/runtime/parachains/src/runtime_api_impl/v1.rs b/runtime/parachains/src/runtime_api_impl/v1.rs
index 994a720bc590..3c3651746b57 100644
--- a/runtime/parachains/src/runtime_api_impl/v1.rs
+++ b/runtime/parachains/src/runtime_api_impl/v1.rs
@@ -180,9 +180,8 @@ pub fn availability_cores<T: initializer::Config>() -> Vec<CoreState<T::Hash, T:
 fn current_relay_parent<T: frame_system::Config>(
 ) -> (<T as frame_system::Config>::BlockNumber, <T as frame_system::Config>::Hash) {
 	use parity_scale_codec::Decode as _;
-	let state_version = <frame_system::Pallet<T>>::runtime_version().state_version();
 	let relay_parent_number = <frame_system::Pallet<T>>::block_number();
-	let relay_parent_storage_root = T::Hash::decode(&mut &sp_io::storage::root(state_version)[..])
+	let relay_parent_storage_root = T::Hash::decode(&mut &sp_io::storage::root()[..])
 		.expect("storage root must decode to the Hash type; qed");
 	(relay_parent_number, relay_parent_storage_root)
 }