diff --git a/transaction_manager.cc b/transaction_manager.cc
index 85bc453..261ad31 100644
--- a/transaction_manager.cc
+++ b/transaction_manager.cc
@@ -19,14 +19,6 @@ transaction_manager::~transaction_manager()
 {
 }
 
-transaction_manager::write_ref
-transaction_manager::begin(block_address superblock)
-{
-	write_ref wr = bm_->superblock(superblock);
-	wipe_shadow_table();
-	return wr;
-}
-
 transaction_manager::write_ref
 transaction_manager::begin(block_address superblock, validator v)
 {
@@ -46,7 +38,6 @@ transaction_manager::new_block(validator v)
 	return wr;
 }
 
-// FIXME: duplicate code
 pair<transaction_manager::write_ref, bool>
 transaction_manager::shadow(block_address orig, validator v)
 {
diff --git a/transaction_manager.h b/transaction_manager.h
index b7d2236..b73f203 100644
--- a/transaction_manager.h
+++ b/transaction_manager.h
@@ -26,9 +26,7 @@ namespace persistent_data {
 		~transaction_manager();
 
 		// Drop the superblock reference to commit
-		write_ref begin(block_address superblock);
 		write_ref begin(block_address superblock, validator v);
-
 		write_ref new_block(validator v);
 
 		// shadowing returns a new write_ref, and a boolean which