diff --git a/examples/kusama_balance_transfer.rs b/examples/kusama_balance_transfer.rs
index 643129fffc..bb7e1ff1c5 100644
--- a/examples/kusama_balance_transfer.rs
+++ b/examples/kusama_balance_transfer.rs
@@ -18,7 +18,6 @@ use sp_keyring::AccountKeyring;
 use substrate_subxt::{
     balances,
     Error,
-    system::System,
     KusamaRuntime,
 };
 
diff --git a/src/lib.rs b/src/lib.rs
index a108513cfc..2cfcc32513 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -484,22 +484,14 @@ impl codec::Encode for Encoded {
 
 #[cfg(test)]
 mod tests {
-    use codec::Encode;
-    use frame_support::StorageMap;
-    use sp_core::storage::StorageKey;
     use sp_keyring::AccountKeyring;
 
     use super::*;
     use crate::{
-        frame::balances::Balances,
         DefaultNodeRuntime as Runtime,
         Error,
     };
 
-    type AccountId = <Runtime as System>::AccountId;
-    type Address = <Runtime as System>::Address;
-    type Balance = <Runtime as Balances>::Balance;
-
     pub(crate) async fn test_client() -> Client<Runtime> {
         ClientBuilder::<Runtime>::new()
             .build()