diff --git a/benchmark/bench_http_reader.cpp b/benchmark/bench_http_reader.cpp
index 2afe2d73..07526fdc 100644
--- a/benchmark/bench_http_reader.cpp
+++ b/benchmark/bench_http_reader.cpp
@@ -46,7 +46,6 @@ class HttpReaderBench : public td::Benchmark {
   td::HttpReader http_reader_;
 
   void start_up() override {
-    writer_ = td::ChainBufferWriter::create_empty();
     reader_ = writer_.extract_reader();
     http_reader_.init(&reader_, 10000, 0);
   }
@@ -74,7 +73,6 @@ class BufferBench : public td::Benchmark {
   td::HttpReader http_reader_;
 
   void start_up() override {
-    writer_ = td::ChainBufferWriter::create_empty();
     reader_ = writer_.extract_reader();
   }
 };
@@ -105,7 +103,6 @@ class FindBoundaryBench : public td::Benchmark {
   td::HttpReader http_reader_;
 
   void start_up() override {
-    writer_ = td::ChainBufferWriter::create_empty();
     reader_ = writer_.extract_reader();
   }
 };
diff --git a/tdutils/td/utils/Gzip.cpp b/tdutils/td/utils/Gzip.cpp
index d4e60d6e..53c2c04e 100644
--- a/tdutils/td/utils/Gzip.cpp
+++ b/tdutils/td/utils/Gzip.cpp
@@ -140,7 +140,7 @@ Gzip::~Gzip() {
 BufferSlice gzdecode(Slice s) {
   Gzip gzip;
   gzip.init_decode().ensure();
-  auto message = ChainBufferWriter::create_empty();
+  ChainBufferWriter message;
   gzip.set_input(s);
   gzip.close_input();
   double k = 2;
diff --git a/tdutils/td/utils/buffer.h b/tdutils/td/utils/buffer.h
index 3516a473..3c61089b 100644
--- a/tdutils/td/utils/buffer.h
+++ b/tdutils/td/utils/buffer.h
@@ -637,11 +637,6 @@ class ChainBufferWriter {
     init();
   }
 
-  // legacy
-  static ChainBufferWriter create_empty() {
-    return ChainBufferWriter();
-  }
-
   void init(size_t size = 0) {
     writer_ = BufferWriter(size);
     tail_ = ChainBufferNodeAllocator::create(writer_.as_buffer_slice(), true);
diff --git a/tdutils/test/gzip.cpp b/tdutils/test/gzip.cpp
index e4bd81eb..c6a9505a 100644
--- a/tdutils/test/gzip.cpp
+++ b/tdutils/test/gzip.cpp
@@ -39,7 +39,7 @@ TEST(Gzip, flow) {
   auto str = td::rand_string('a', 'z', 1000000);
   auto parts = td::rand_split(str);
 
-  auto input_writer = td::ChainBufferWriter::create_empty();
+  td::ChainBufferWriter input_writer;
   auto input = input_writer.extract_reader();
   td::ByteFlowSource source(&input);
   td::GzipByteFlow gzip_flow(td::Gzip::Encode);
@@ -89,7 +89,7 @@ TEST(Gzip, flow_error) {
 TEST(Gzip, encode_decode_flow) {
   auto str = td::rand_string('a', 'z', 1000000);
   auto parts = td::rand_split(str);
-  auto input_writer = td::ChainBufferWriter::create_empty();
+  td::ChainBufferWriter input_writer;
   auto input = input_writer.extract_reader();
   td::ByteFlowSource source(&input);
   td::GzipByteFlow gzip_encode_flow(td::Gzip::Encode);
diff --git a/test/http.cpp b/test/http.cpp
index ee57c6c7..90d37b58 100644
--- a/test/http.cpp
+++ b/test/http.cpp
@@ -133,7 +133,7 @@ TEST(Http, reader) {
   SET_VERBOSITY_LEVEL(VERBOSITY_NAME(ERROR));
   auto start_mem = BufferAllocator::get_buffer_mem();
   {
-    auto input_writer = ChainBufferWriter::create_empty();
+    td::ChainBufferWriter input_writer;
     auto input = input_writer.extract_reader();
     HttpReader reader;
     int max_post_size = 10000;
@@ -195,7 +195,7 @@ TEST(Http, gzip_bomb) {
 
   auto query = make_http_query("", false, true, 0.01, gzip_bomb_str);
   auto parts = rand_split(query);
-  auto input_writer = ChainBufferWriter::create_empty();
+  td::ChainBufferWriter input_writer;
   auto input = input_writer.extract_reader();
   HttpReader reader;
   HttpQuery q;
@@ -215,7 +215,7 @@ TEST(Http, gzip_bomb) {
 TEST(Http, aes_ctr_encode_decode_flow) {
   auto str = rand_string('a', 'z', 1000000);
   auto parts = rand_split(str);
-  auto input_writer = ChainBufferWriter::create_empty();
+  td::ChainBufferWriter input_writer;
   auto input = input_writer.extract_reader();
   ByteFlowSource source(&input);
   UInt256 key;
@@ -306,7 +306,7 @@ TEST(Http, aes_file_encryption) {
 TEST(Http, chunked_flow) {
   auto str = rand_string('a', 'z', 100);
   auto parts = rand_split(make_chunked(str));
-  auto input_writer = ChainBufferWriter::create_empty();
+  td::ChainBufferWriter input_writer;
   auto input = input_writer.extract_reader();
   ByteFlowSource source(&input);
   HttpChunkedByteFlow chunked_flow;
@@ -332,7 +332,7 @@ TEST(Http, chunked_flow_error) {
     auto new_str = make_chunked(str);
     new_str.resize(str.size() - d);
     auto parts = rand_split(new_str);
-    auto input_writer = ChainBufferWriter::create_empty();
+    td::ChainBufferWriter input_writer;
     auto input = input_writer.extract_reader();
     ByteFlowSource source(&input);
     HttpChunkedByteFlow chunked_flow;
@@ -354,7 +354,7 @@ TEST(Http, gzip_chunked_flow) {
   auto str = rand_string('a', 'z', 1000000);
   auto parts = rand_split(make_chunked(gzencode(str).as_slice().str()));
 
-  auto input_writer = ChainBufferWriter::create_empty();
+  td::ChainBufferWriter input_writer;
   auto input = input_writer.extract_reader();
   ByteFlowSource source(&input);
   HttpChunkedByteFlow chunked_flow;