diff --git a/dialyzer.ignore-warnings b/dialyzer.ignore-warnings
index 599eed8..db73995 100644
--- a/dialyzer.ignore-warnings
+++ b/dialyzer.ignore-warnings
@@ -1 +1,14 @@
+### The auto-generated code of machi_pb.beam has some complaints, not fixed yet.
+machi_pb.erl:0:
+##################################################
+########  Specific types     #####################
+##################################################
+  basho_bench_config:get/2
+  machi_partition_simulator:get/1
+##################################################
+########  Specific messages  #####################
+##################################################
 machi_chain_manager1.erl:2473: The created fun has no local return
+machi_chain_manager1.erl:2102: The pattern <_P1, P2, Else = {'expected_author2', UPI1_tail, _}> can never match the type <#projection_v1{epoch_number::'undefined' | non_neg_integer(),epoch_csum::'undefined' | binary(),author_server::atom() | binary(),all_members::'undefined' | [atom() | binary()],witnesses::[atom() | binary()],creation_time::'undefined' | {non_neg_integer(),non_neg_integer(),non_neg_integer()},mode::'ap_mode' | 'cp_mode',upi::'undefined' | [atom() | binary()],repairing::'undefined' | [atom() | binary()],down::'undefined' | [atom() | binary()],dbg::'undefined' | [any()],dbg2::'undefined' | [any()],members_dict::'undefined' | [{_,_}]},#projection_v1{epoch_number::'undefined' | non_neg_integer(),epoch_csum::binary(),author_server::atom() | binary(),all_members::'undefined' | [atom() | binary()],witnesses::[atom() | binary()],creation_time::'undefined' | {non_neg_integer(),non_neg_integer(),non_neg_integer()},mode::'ap_mode' | 'cp_mode',upi::'undefined' | [atom() | binary()],repairing::'undefined' | [atom() | binary()],down::'undefined' | [atom() | binary()],dbg::'undefined' | [any()],dbg2::'undefined' | [any()],members_dict::'undefined' | [{_,_}]},'true'>
+machi_chain_manager1.erl:2151: The pattern <_P1 = {'projection_v1', _, _, _, _, _, _, 'cp_mode', UPI1, Repairing1, _, _, _, _}, _P2 = {'projection_v1', _, _, _, _, _, _, 'cp_mode', UPI2, Repairing2, _, _, _, _}, Else = {'epoch_not_si', EpochX, 'not_gt', EpochY}> can never match the type <#projection_v1{epoch_number::'undefined' | non_neg_integer(),epoch_csum::'undefined' | binary(),author_server::atom() | binary(),all_members::'undefined' | [atom() | binary()],witnesses::[atom() | binary()],creation_time::'undefined' | {non_neg_integer(),non_neg_integer(),non_neg_integer()},mode::'ap_mode' | 'cp_mode',upi::'undefined' | [atom() | binary()],repairing::'undefined' | [atom() | binary()],down::'undefined' | [atom() | binary()],dbg::'undefined' | [any()],dbg2::'undefined' | [any()],members_dict::'undefined' | [{_,_}]},#projection_v1{epoch_number::'undefined' | non_neg_integer(),epoch_csum::binary(),author_server::atom() | binary(),all_members::'undefined' | [atom() | binary()],witnesses::[atom() | binary()],creation_time::'undefined' | {non_neg_integer(),non_neg_integer(),non_neg_integer()},mode::'ap_mode' | 'cp_mode',upi::'undefined' | [atom() | binary()],repairing::'undefined' | [atom() | binary()],down::'undefined' | [atom() | binary()],dbg::'undefined' | [any()],dbg2::'undefined' | [any()],members_dict::'undefined' | [{_,_}]},'true'>
+machi_flu1.erl:246: The created fun has no local return
diff --git a/src/machi_flu1.erl b/src/machi_flu1.erl
index 88a3b6d..370271f 100644
--- a/src/machi_flu1.erl
+++ b/src/machi_flu1.erl
@@ -241,7 +241,7 @@ append_server_loop(FluPid, #state{wedged=Wedged_p,
         {seq_append, From, Prefix, Chunk, CSum, Extra, EpochID} ->
             %% Old is the one from our state, plain old 'EpochID' comes
             %% from the client.
-            case OldEpochId == EpochID of
+            _ = case OldEpochId == EpochID of
                 true ->
                     spawn(fun() -> 
                         append_server_dispatch(From, Prefix, Chunk, CSum, Extra, FluName, EpochID) 
@@ -381,7 +381,7 @@ do_pb_ll_request2(EpochID, CMD, S) ->
                true ->
                     %% We're at same epoch # but different checksum, or
                     %% we're at a newer/bigger epoch #.
-                    wedge_myself(S#state.flu_name, CurrentEpochID),
+                    _ = wedge_myself(S#state.flu_name, CurrentEpochID),
                     ok
             end,
             {{error, bad_epoch}, S#state{epoch_id=CurrentEpochID}};
diff --git a/src/machi_yessir_client.erl b/src/machi_yessir_client.erl
index a7cb75d..f37b618 100644
--- a/src/machi_yessir_client.erl
+++ b/src/machi_yessir_client.erl
@@ -450,18 +450,18 @@ connect(#p_srvr{name=Name, props=Props})->
                    chunk_size=ChunkSize
                   },
     %% Add fake dict entries for these files
-    [begin
-         Prefix = list_to_binary(io_lib:format("fake~w", [X])),
-         {ok, _} = append_chunk_extra(Sock, {1,<<"unused">>}, Prefix, <<>>, FileSize)
-     end || X <- lists:seq(1, NumFiles)],
+    _ = [begin
+             Prefix = list_to_binary(io_lib:format("fake~w", [X])),
+             {ok, _} = append_chunk_extra(Sock, {1,<<"unused">>}, Prefix, <<>>, FileSize)
+         end || X <- lists:seq(1, NumFiles)],
 
     Sock.
 
 disconnect(#yessir{name=Name}) ->
-    [erase(K) || {{N,offset,_}=K, _V} <- get(), N == Name],
-    [erase(K) || {{N,chunk,_}=K, _V} <- get(), N == Name],
-    [erase(K) || {{N,csum,_}=K, _V} <- get(), N == Name],
-    [erase(K) || {{N,proj,_,_}=K, _V} <- get(), N == Name],
+    _ = [erase(K) || {{N,offset,_}=K, _V} <- get(), N == Name],
+    _ = [erase(K) || {{N,chunk,_}=K, _V} <- get(), N == Name],
+    _ = [erase(K) || {{N,csum,_}=K, _V} <- get(), N == Name],
+    _ = [erase(K) || {{N,proj,_,_}=K, _V} <- get(), N == Name],
     ok.
 
 %% Example use: