diff --git a/README.md b/README.md
index 24d9bcb..5f5d6c7 100644
--- a/README.md
+++ b/README.md
@@ -117,12 +117,9 @@ Payload: 1kb
 ![Delete tps](docs/delete_tps.png?raw=true "Delete tps")
 
 ### TODO
- - [ ] db iterator for on startup init
- - [ ] test compaction
  - [ ] code coverage
  - [ ] docker 
  - [ ] range scan 
- - [ ] benchmark
 
 ## Licence
 Rocky is licensed under the [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0)
diff --git a/src/db.rs b/src/db.rs
index 9b7e2cd..997650f 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -128,7 +128,6 @@ impl DbManager {
     // will panic in main thread and prevent startup
     fn open_dbs(&self) {
         info!("Initializing dbs from root ...");
-        //TODO db iterator
         self.root_db
             .r_lock()
             .iterator(IteratorMode::Start)