diff --git a/src/TDB2.cpp b/src/TDB2.cpp
index d5b1c28c6..a54163e1e 100644
--- a/src/TDB2.cpp
+++ b/src/TDB2.cpp
@@ -531,10 +531,7 @@ void TDB2::set_location (const std::string& location)
   pending.target   (location + "/pending.data");
   completed.target (location + "/completed.data");
   undo.target      (location + "/undo.data");
-/*
   backlog.target   (location + "/backlog.data");
-  synch_key.target (location + "/synch.key");
-*/
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -565,10 +562,8 @@ void TDB2::add (Task& task)
   undo.add_line ("new " + task.composeF4 ());
   undo.add_line ("---\n");
 
-/*
   // Add task to backlog.
   backlog.add_task (task);
-*/
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -599,10 +594,8 @@ void TDB2::modify (Task& task)
     undo.add_line ("new " + task.composeF4 ());
     undo.add_line ("---\n");
 
-/*
     // Add modified task to backlog.
     backlog.add_task (task);
-*/
   }
 }
 
@@ -615,31 +608,11 @@ void TDB2::commit ()
   pending.commit ();
   completed.commit ();
   undo.commit ();
-/*
   backlog.commit ();
-  synch_key.commit ();
-*/
 
   context.timer_commit.stop ();
 }
 
-////////////////////////////////////////////////////////////////////////////////
-void TDB2::synch ()
-{
-  context.timer_synch.start ();
-
-  // TODO Get local synch_key.
-  // TODO Get backlog.
-  // TODO Compose synch ticket.
-  // TODO Issue synch ticket.
-  // TODO Receive synch response.
-  // TODO Extract remotes.
-  // TODO Apply remotes.
-  // TODO Store synch_key.
-
-  context.timer_synch.stop ();
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // Helper function for TDB::merge
 void readTaskmods (std::vector <std::string> &input,
@@ -1868,10 +1841,8 @@ bool TDB2::read_only ()
 {
   return pending._read_only   ||
          completed._read_only ||
-         undo._read_only      /*||
-         backlog._read_only   ||
-         synch_key._read_only
-*/
+         undo._read_only      ||
+         backlog._read_only
          ;
 }
 
@@ -1881,10 +1852,7 @@ void TDB2::clear ()
   pending.clear ();
   completed.clear ();
   undo.clear ();
-/*
   backlog.clear ();
-  synch_key.clear ();
-*/
 
   _location = "";
   _id = 1;
@@ -1898,10 +1866,7 @@ void TDB2::dump ()
     context.debug (pending.dump ());
     context.debug (completed.dump ());
     context.debug (undo.dump ());
-/*
     context.debug (backlog.dump ());
-    context.debug (synch_key.dump ());
-*/
     context.debug ("");
   }
 }
diff --git a/src/TDB2.h b/src/TDB2.h
index 26872a018..aaefcbba6 100644
--- a/src/TDB2.h
+++ b/src/TDB2.h
@@ -103,7 +103,6 @@ public:
   void add (Task&);
   void modify (Task&);
   void commit ();
-  void synch ();
   void merge (const std::string&);
   void revert ();
   int  gc ();
@@ -133,8 +132,7 @@ public:
   TF2 pending;
   TF2 completed;
   TF2 undo;
-//  TF2 backlog;
-//  TF2 synch_key;
+  TF2 backlog;
 
 private:
   std::string _location;