diff --git a/src/tpu.rs b/src/tpu.rs
index d42c3bcf13..0badedf3d5 100644
--- a/src/tpu.rs
+++ b/src/tpu.rs
@@ -42,30 +42,32 @@ impl Tpu {
         }
     }
 
-    fn update_entry<W: Write>(obj: &Tpu, writer: &Mutex<W>, entry: &Entry) {
+    fn update_entry<W: Write>(&self, writer: &Mutex<W>, entry: &Entry) {
         trace!("update_entry entry");
-        obj.accounting_stage.accountant.register_entry_id(&entry.id);
+        self.accounting_stage
+            .accountant
+            .register_entry_id(&entry.id);
         writeln!(
             writer.lock().unwrap(),
             "{}",
             serde_json::to_string(&entry).unwrap()
         ).unwrap();
-        obj.thin_client_service
+        self.thin_client_service
             .notify_entry_info_subscribers(&entry);
     }
 
-    fn receive_all<W: Write>(obj: &Tpu, writer: &Mutex<W>) -> Result<Vec<Entry>> {
+    fn receive_all<W: Write>(&self, writer: &Mutex<W>) -> Result<Vec<Entry>> {
         //TODO implement a serialize for channel that does this without allocations
         let mut l = vec![];
-        let entry = obj.accounting_stage
+        let entry = self.accounting_stage
             .output
             .lock()
             .unwrap()
             .recv_timeout(Duration::new(1, 0))?;
-        Self::update_entry(obj, writer, &entry);
+        self.update_entry(writer, &entry);
         l.push(entry);
-        while let Ok(entry) = obj.accounting_stage.output.lock().unwrap().try_recv() {
-            Self::update_entry(obj, writer, &entry);
+        while let Ok(entry) = self.accounting_stage.output.lock().unwrap().try_recv() {
+            self.update_entry(writer, &entry);
             l.push(entry);
         }
         Ok(l)
@@ -74,13 +76,13 @@ impl Tpu {
     /// Process any Entry items that have been published by the Historian.
     /// continuosly broadcast blobs of entries out
     fn run_sync<W: Write>(
-        obj: SharedTpu,
+        &self,
         broadcast: &streamer::BlobSender,
         blob_recycler: &packet::BlobRecycler,
         writer: &Mutex<W>,
     ) -> Result<()> {
         let mut q = VecDeque::new();
-        let list = Self::receive_all(&obj, writer)?;
+        let list = self.receive_all(writer)?;
         trace!("New blobs? {}", list.len());
         ledger::process_entry_list_into_blobs(&list, blob_recycler, &mut q);
         if !q.is_empty() {
@@ -97,7 +99,7 @@ impl Tpu {
         writer: Mutex<W>,
     ) -> JoinHandle<()> {
         spawn(move || loop {
-            let _ = Self::run_sync(obj.clone(), &broadcast, &blob_recycler, &writer);
+            let _ = obj.run_sync(&broadcast, &blob_recycler, &writer);
             if exit.load(Ordering::Relaxed) {
                 info!("sync_service exiting");
                 break;
@@ -107,14 +109,14 @@ impl Tpu {
 
     /// Process any Entry items that have been published by the Historian.
     /// continuosly broadcast blobs of entries out
-    fn run_sync_no_broadcast(obj: SharedTpu) -> Result<()> {
-        Self::receive_all(&obj, &Arc::new(Mutex::new(sink())))?;
+    fn run_sync_no_broadcast(&self) -> Result<()> {
+        self.receive_all(&Arc::new(Mutex::new(sink())))?;
         Ok(())
     }
 
     pub fn sync_no_broadcast_service(obj: SharedTpu, exit: Arc<AtomicBool>) -> JoinHandle<()> {
         spawn(move || loop {
-            let _ = Self::run_sync_no_broadcast(obj.clone());
+            let _ = obj.run_sync_no_broadcast();
             if exit.load(Ordering::Relaxed) {
                 info!("sync_no_broadcast_service exiting");
                 break;