diff --git a/Lib/memory-holder.h b/Lib/memory-holder.h
index c30e15e835e68a475aa9fa0b1990534e5045778d..a0d191606d278494044cd79a5e34dadceaf78529 100644
--- a/Lib/memory-holder.h
+++ b/Lib/memory-holder.h
@@ -65,11 +65,6 @@ public:
 template<buf_choose_policy choose_type = buf_choose_policy::naiv>
 class memory_pipe: public memory_pipe_base 
 {
-// private:
-// #ifdef INCLUDE_CUDA
-//     using memory_pipe_base::gpu_buff;
-// #endif
-//     using memory_pipe_base::cpu_buff;
 public:
     memory_pipe(/* args */) : memory_pipe_base() {}
     ~memory_pipe() = default;
@@ -81,11 +76,6 @@ public:
 template<>
 class memory_pipe<buf_choose_policy::sorted_vec>: public memory_pipe_base 
 {
-// private:
-// #ifdef INCLUDE_CUDA
-//     using memory_pipe_base::gpu_buff;
-// #endif
-//     using memory_pipe_base::cpu_buff;
 public:
     memory_pipe(/* args */) : memory_pipe_base() {}
     ~memory_pipe() = default;
@@ -97,11 +87,6 @@ public:
 template<>
 class memory_pipe<buf_choose_policy::find_best_unsorted>: public memory_pipe_base 
 {
-// private:
-// #ifdef INCLUDE_CUDA
-//     using memory_pipe_base::gpu_buff;
-// #endif
-//     using memory_pipe_base::cpu_buff;
 public:
     memory_pipe(/* args */) : memory_pipe_base() {}
     ~memory_pipe() = default;