diff --git a/tdutils/td/utils/buffer.h b/tdutils/td/utils/buffer.h
index f65019606..0d81538e7 100644
--- a/tdutils/td/utils/buffer.h
+++ b/tdutils/td/utils/buffer.h
@@ -20,23 +20,22 @@
 namespace td {
 
 struct BufferRaw {
-  explicit BufferRaw(size_t size)
-      : data_size_(size), begin_(0), end_(0), ref_cnt_(1), has_writer_(true), was_reader_(false) {
+  explicit BufferRaw(size_t size) : data_size_(size) {
   }
   size_t data_size_;
 
   // Constant after first reader is created.
   // May be change by writer before it.
   // So writer may do prepends till there is no reader created.
-  size_t begin_;
+  size_t begin_ = 0;
 
   // Write by writer.
   // Read by reader.
-  std::atomic<size_t> end_;
+  std::atomic<size_t> end_{0};
 
-  mutable std::atomic<int32> ref_cnt_;
-  std::atomic<bool> has_writer_;
-  bool was_reader_;
+  mutable std::atomic<int32> ref_cnt_{1};
+  std::atomic<bool> has_writer_{true};
+  bool was_reader_{false};
 
   alignas(4) unsigned char data_[1];
 };
diff --git a/tdutils/td/utils/filesystem.h b/tdutils/td/utils/filesystem.h
index 6fff63f8d..ae6d6aef1 100644
--- a/tdutils/td/utils/filesystem.h
+++ b/tdutils/td/utils/filesystem.h
@@ -20,4 +20,5 @@ Status copy_file(CSlice from, CSlice to, int64 size = -1) TD_WARN_UNUSED_RESULT;
 Status write_file(CSlice to, Slice data) TD_WARN_UNUSED_RESULT;
 
 std::string clean_filename(CSlice name);
+
 }  // namespace td