diff --git a/subxt/src/rpc/lightclient/background.rs b/subxt/src/rpc/lightclient/background.rs
index 725e6c58b6..47137dc51a 100644
--- a/subxt/src/rpc/lightclient/background.rs
+++ b/subxt/src/rpc/lightclient/background.rs
@@ -280,7 +280,7 @@ impl std::str::FromStr for RpcResponse {
         }
 
         // Check if the response can be mapped as an RPC method response.
-        let result: Result<Response, _> = serde_json::from_str(&response);
+        let result: Result<Response, _> = serde_json::from_str(response);
         if let Ok(response) = result {
             return Ok(RpcResponse::Method {
                 id: response.id,
@@ -288,7 +288,7 @@ impl std::str::FromStr for RpcResponse {
             });
         }
 
-        let notification: ResponseNotification = serde_json::from_str(&response)?;
+        let notification: ResponseNotification = serde_json::from_str(response)?;
         Ok(RpcResponse::Subscription {
             id: notification.params.subscription,
             method: notification.method,
diff --git a/subxt/src/rpc/lightclient/client.rs b/subxt/src/rpc/lightclient/client.rs
index 9f128bed33..b67bdd354b 100644
--- a/subxt/src/rpc/lightclient/client.rs
+++ b/subxt/src/rpc/lightclient/client.rs
@@ -282,7 +282,7 @@ impl RpcClientT for LightClient {
                 id, method, params
             );
             tracing::trace!(target: LOG_TARGET, "Submit request {:?}", request);
-            let chain_id = data.chain_id.clone();
+            let chain_id = data.chain_id;
 
             data.client
                 .json_rpc_request(request, chain_id)
@@ -338,7 +338,7 @@ impl RpcClientT for LightClient {
                 id, sub, params
             );
 
-            let chain_id = data.chain_id.clone();
+            let chain_id = data.chain_id;
             data.client
                 .json_rpc_request(request, chain_id)
                 .map_err(|err| {
@@ -368,7 +368,7 @@ impl RpcClientT for LightClient {
 
             let rpc_substription_stream: Pin<
                 Box<dyn Stream<Item = Result<Box<RawValue>, RpcError>> + Send + 'static>,
-            > = Box::pin(stream.map(|res| Ok(res)));
+            > = Box::pin(stream.map(Ok));
 
             let rpc_subscription: RpcSubscription = RpcSubscription {
                 stream: rpc_substription_stream,