diff --git a/lib/erl/include/thrift_protocol.hrl b/lib/erl/include/thrift_protocol.hrl
index f85f455..f4e1901 100644
--- a/lib/erl/include/thrift_protocol.hrl
+++ b/lib/erl/include/thrift_protocol.hrl
@@ -18,7 +18,7 @@
 %%
 
 -ifndef(THRIFT_PROTOCOL_INCLUDED).
--define(THRIFT_PROTOCOL_INCLUDED, true).
+-define(THRIFT_PROTOCOL_INCLUDED, yea).
 
 -record(protocol_message_begin, {name, type, seqid}).
 -record(protocol_struct_begin, {name}).
@@ -27,40 +27,5 @@
 -record(protocol_list_begin, {etype, size}).
 -record(protocol_set_begin, {etype, size}).
 
--type tprot_header_val() :: #protocol_message_begin{}
-                          | #protocol_struct_begin{}
-                          | #protocol_field_begin{}
-                          | #protocol_map_begin{}
-                          | #protocol_list_begin{}
-                          | #protocol_set_begin{}
-                          .
--type tprot_empty_tag() :: message_end
-                         | struct_begin
-                         | struct_end
-                         | field_end
-                         | map_end
-                         | list_end
-                         | set_end
-                         .
--type tprot_header_tag() :: message_begin
-                          | field_begin
-                          | map_begin
-                          | list_begin
-                          | set_begin
-                          .
--type tprot_data_tag() :: ui32
-                        | bool
-                        | byte
-                        | i16
-                        | i32
-                        | i64
-                        | double
-                        | string
-                        .
--type tprot_cont_tag() :: {list, _Type}
-                        | {map, _KType, _VType}
-                        | {set, _Type}
-                        .
-
 
 -endif.
diff --git a/lib/erl/include/thrift_protocol_behaviour.hrl b/lib/erl/include/thrift_protocol_behaviour.hrl
deleted file mode 100644
index abe300b..0000000
--- a/lib/erl/include/thrift_protocol_behaviour.hrl
+++ /dev/null
@@ -1,37 +0,0 @@
-%%
-%% Licensed to the Apache Software Foundation (ASF) under one
-%% or more contributor license agreements. See the NOTICE file
-%% distributed with this work for additional information
-%% regarding copyright ownership. The ASF licenses this file
-%% to you under the Apache License, Version 2.0 (the
-%% "License"); you may not use this file except in compliance
-%% with the License. You may obtain a copy of the License at
-%%
-%%   http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing,
-%% software distributed under the License is distributed on an
-%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-%% KIND, either express or implied. See the License for the
-%% specific language governing permissions and limitations
-%% under the License.
-%%
-
-%% Signature specifications for protocol implementations.
-
--ifndef(THRIFT_PROTOCOL_BEHAVIOUR_INCLUDED).
--define(THRIFT_PROTOCOL_BEHAVIOUR_INCLUDED, true).
-
--spec flush_transport(state()) -> {state(), ok | {error, _Reason}}.
--spec close_transport(state()) -> {state(), ok | {error, _Reason}}.
-
--spec write(state(), any()) -> {state(), ok | {error, _Reason}}.
-
-%% NOTE: Keep this in sync with thrift_protocol:read and read_specific.
--spec read
-        (state(), tprot_empty_tag()) ->  {state(),  ok                | {error, _Reason}};
-        (state(), tprot_header_tag()) -> {state(), tprot_header_val() | {error, _Reason}};
-        (state(), tprot_data_tag()) ->   {state(), {ok, any()}        | {error, _Reason}}.
-
-
--endif.
diff --git a/lib/erl/include/thrift_transport_behaviour.hrl b/lib/erl/include/thrift_transport_behaviour.hrl
deleted file mode 100644
index dbc05aa..0000000
--- a/lib/erl/include/thrift_transport_behaviour.hrl
+++ /dev/null
@@ -1,31 +0,0 @@
-%%
-%% Licensed to the Apache Software Foundation (ASF) under one
-%% or more contributor license agreements. See the NOTICE file
-%% distributed with this work for additional information
-%% regarding copyright ownership. The ASF licenses this file
-%% to you under the Apache License, Version 2.0 (the
-%% "License"); you may not use this file except in compliance
-%% with the License. You may obtain a copy of the License at
-%%
-%%   http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing,
-%% software distributed under the License is distributed on an
-%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-%% KIND, either express or implied. See the License for the
-%% specific language governing permissions and limitations
-%% under the License.
-%%
-
-%% Signature specifications for transport implementations.
-
--ifndef(THRIFT_TRANSPORT_BEHAVIOUR_INCLUDED).
--define(THRIFT_TRANSPORT_BEHAVIOUR_INCLUDED, true).
-
--spec write(state(), iolist() | binary()) -> {state(), ok | {error, _Reason}}.
--spec read(state(), non_neg_integer()) -> {state(), {ok, binary()} | {error, _Reason}}.
--spec flush(state()) -> {state(), ok | {error, _Reason}}.
--spec close(state()) -> {state(), ok | {error, _Reason}}.
-
-
--endif.