diff --git a/prototype/tango-prototype/src/corfurl_sequencer.erl b/prototype/tango-prototype/src/corfurl_sequencer.erl
index 2dd9054..085cdc1 100644
--- a/prototype/tango-prototype/src/corfurl_sequencer.erl
+++ b/prototype/tango-prototype/src/corfurl_sequencer.erl
@@ -123,17 +123,17 @@ handle_call({get, NumPages, LC}, _From,
 handle_call({get_tails, NumPages, StreamList, LC}, _From, MLP_tuple) ->
     Tab = element(1, MLP_tuple),
     MLP = element(2, MLP_tuple),
-    if NumPages > 0 ->
-            update_stream_tails(Tab, StreamList, MLP);
-       true ->
-            ok
-    end,
     Tails = [case (catch ets:lookup_element(Tab, Stream, 2)) of
                  {'EXIT', _} ->
                      [];
                  Res ->
                      Res
              end || Stream <- StreamList],
+    if NumPages > 0 ->
+            update_stream_tails(Tab, StreamList, MLP);
+       true ->
+            ok
+    end,
     NewLC = lclock_update(LC),
     {reply, {{ok, MLP, Tails}, NewLC},
      setelement(2, MLP_tuple, MLP + NumPages)};
diff --git a/prototype/tango-prototype/src/tango.erl b/prototype/tango-prototype/src/tango.erl
index 34e52c8..3ce586b 100644
--- a/prototype/tango-prototype/src/tango.erl
+++ b/prototype/tango-prototype/src/tango.erl
@@ -102,12 +102,8 @@ scan_backward2(_Proj, _Stream, LastLPN, StopAtLPN, _NumPages, _WithPagesP)
   when LastLPN =< StopAtLPN; LastLPN =< 0 ->
     [];
 scan_backward2(Proj, Stream, LastLPN, StopAtLPN, NumPages, WithPagesP) ->
-    ?D({scan, Stream, LastLPN}),
     case corfurl:read_page(Proj, LastLPN) of
         {ok, FullPage} ->
-            ?D({scan, LastLPN, ok}),
-            ?D({scan, Stream, unpack_v1(FullPage, stream_list)}),
-?D(proplists:get_value(Stream, unpack_v1(FullPage, stream_list))),
             case proplists:get_value(Stream, unpack_v1(FullPage, stream_list)) of
                 undefined ->
                     if NumPages == 0 ->
@@ -124,14 +120,11 @@ scan_backward2(Proj, Stream, LastLPN, StopAtLPN, NumPages, WithPagesP) ->
                     end;
                 [] ->
                     if WithPagesP ->
-?D(?LINE),
                             [{LastLPN, unpack_v1(FullPage, page)}];
                        true ->
-?D(?LINE),
                             [LastLPN]
                     end;
                 BackPs ->
-?D(?LINE),
                     if WithPagesP ->
                             %% ?D({bummer, BackPs}),
                             [{LastLPN, unpack_v1(FullPage, page)}|
diff --git a/prototype/tango-prototype/src/tango_oid.erl b/prototype/tango-prototype/src/tango_oid.erl
index 17ca599..e99e7a0 100644
--- a/prototype/tango-prototype/src/tango_oid.erl
+++ b/prototype/tango-prototype/src/tango_oid.erl
@@ -143,7 +143,6 @@ fetch_unread_pages(Proj, LastLPN, StopAtLPN)
     %% ?D({fetch_unread_pages, LastLPN, StopAtLPN}),
     LPNandPages = tango:scan_backward(Proj, ?OID_STREAM_NUMBER, LastLPN,
                                       StopAtLPN, true),
-?D(LPNandPages),
     {_LPNs, _Pages} = lists:unzip(LPNandPages).
 
 play_log_pages(Pages, SideEffectsP,
@@ -156,11 +155,8 @@ play_log_pages(Pages, I_State, CallbackMod, SideEffectsP) ->
 
 roll_log_forward(#state{seq=SequencerPid, proj=Proj, all_back_ps=BackPs,
                         last_fetch_lpn=StopAtLPN} = State) ->
-?D(StopAtLPN),
     LastLPN = find_last_lpn(SequencerPid),
-?D(LastLPN),
     {LPNs, Pages} = fetch_unread_pages(Proj, LastLPN, StopAtLPN),
-?D(LPNs),
     NewBPs = append_lpns(LPNs, BackPs),
     play_log_pages(Pages, true, State#state{all_back_ps=NewBPs}).
 
@@ -197,19 +193,15 @@ play_log_mutate_i_state(Pages, SideEffectsP, I_State) ->
                         {Res, O2} =
                             case ?DICTMOD:find(Key, Dict) of
                                 error ->
-?D(?LINE),
                                     Dict2 = ?DICTMOD:store(Key, Next, Dict),
                                     {{ok, Next},O#oid_map{map=Dict2,
                                                           next=Next + 1}};
                                 {ok, _} ->
-?D(?LINE),
                                     {already_exists, O}
                             end,
                         if SideEffectsP ->
-?D(?LINE),
                                 gen_server:reply(From, Res);
                            true ->
-?D(?LINE),
                                 ok
                         end,
                         O2
diff --git a/prototype/tango-prototype/test/tango_oid_test.erl b/prototype/tango-prototype/test/tango_oid_test.erl
index 8e8046e..9ce16f5 100644
--- a/prototype/tango-prototype/test/tango_oid_test.erl
+++ b/prototype/tango-prototype/test/tango_oid_test.erl
@@ -56,11 +56,8 @@ tango_oid_one_test_int(PageSize, Seq, Proj) ->
         OID_Num1 = 1,
         error = tango_oid:get(OID_Map, "does not exist"),
 
-?D(?LINE),
         {ok, OID_Num1} = tango_oid:new(OID_Map, K1),
-?D(?LINE),
         {ok, OID_Num1} = tango_oid:get(OID_Map, K1),
-?D(?LINE),
         already_exists = tango_oid:new(OID_Map, K1),
         %% The V2 put should *not* have clobbered the previous value
         {ok, OID_Num1} = tango_oid:get(OID_Map, K1),