diff --git a/simapp/app_config.go b/simapp/app_config.go
index d0ac7d7fbc..17b3ef7fa9 100644
--- a/simapp/app_config.go
+++ b/simapp/app_config.go
@@ -1,3 +1,4 @@
+//nolint:unused,nolintlint // ignore unused code linting and directive `//nolint:unused // ignore unused code linting` is unused for linter "unused"
 package simapp
 
 import (
diff --git a/store/storage/rocksdb/iterator.go b/store/storage/rocksdb/iterator.go
index e960b0277a..7427e90406 100644
--- a/store/storage/rocksdb/iterator.go
+++ b/store/storage/rocksdb/iterator.go
@@ -134,8 +134,6 @@ func (itr iterator) Next() {
 	} else {
 		itr.source.Next()
 	}
-
-	return
 }
 
 func (itr *iterator) Error() error {