diff --git a/src/runtime/native.rs b/src/runtime/native.rs
index b92c59536f1423adb045fa1f53099ed75095c7b7..9f038926c3f5f85edd08381dc919b486c2b27d76 100644
--- a/src/runtime/native.rs
+++ b/src/runtime/native.rs
@@ -115,10 +115,10 @@ impl ConnectorApplication {
                 self.handle_new_data_message(ticket, comp_ctx)
             } else {
                 match comp_ctx.take_message_using_ticket(ticket) {
-                    Message::Data(message) => unreachable!(),
+                    Message::Data(_message) => unreachable!(),
                     Message::SyncComp(message) => self.handle_new_sync_comp_message(message, comp_ctx),
                     Message::SyncPort(message) => self.handle_new_sync_port_message(message, comp_ctx),
-                    Message::SyncControl(message) => todo!("implement"),
+                    Message::SyncControl(_message) => todo!("implement"),
                     Message::Control(_) => unreachable!("control message in native API component"),
                 }
             }
@@ -179,7 +179,7 @@ impl ConnectorApplication {
 
         let branch_id = branch_id.unwrap();
         let branch = &mut self.tree[branch_id];
-        let mut instruction_idx = self.branch_extra[branch_id.index as usize];
+        let instruction_idx = self.branch_extra[branch_id.index as usize];
 
         if instruction_idx >= self.sync_desc.len() {
             // Performed last instruction, so this branch is officially at the
@@ -274,7 +274,7 @@ impl ConnectorApplication {
 
                     return ConnectorScheduling::Later;
                 },
-                ApplicationJob::SyncRound(mut description) => {
+                ApplicationJob::SyncRound(description) => {
                     // Entering sync mode
                     comp_ctx.notify_sync_start();
                     self.sync_desc = description;