diff --git a/bench/bench.cpp b/bench/bench.cpp
index b7d2fc73..f56f2136 100644
--- a/bench/bench.cpp
+++ b/bench/bench.cpp
@@ -14,11 +14,9 @@
 #include "spdlog/fmt/bundled/locale.h"
 
 #include "utils.h"
-#include <atomic>
-#include <cstdlib> // EXIT_FAILURE
-#include <memory>
-#include <string>
-#include <thread>
+//#include <cstdlib> // EXIT_FAILURE
+
+#include<bits/stdc++.h>
 
 void bench(int howmany, std::shared_ptr<spdlog::logger> log);
 void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, size_t thread_count);
@@ -238,4 +236,4 @@ void bench_c_string(int howmany, std::shared_ptr<spdlog::logger> log)
     spdlog::info("{:<30} Elapsed: {:0.2f} secs {:>16}/sec", log->name(), delta_d, int(howmany / delta_d));
 }
 
-*/
\ No newline at end of file
+*/