diff --git a/example/bench.cpp b/example/bench.cpp
index ebb70db0..64095378 100644
--- a/example/bench.cpp
+++ b/example/bench.cpp
@@ -45,7 +45,7 @@ int main(int argc, char *argv[])
             threads = atoi(argv[2]);
         if (argc > 3)
             queue_size = atoi(argv[3]);
-        
+
         cout << "*******************************************************************************\n";
         cout << "Single thread, " << format(howmany) << " iterations" << endl;
         cout << "*******************************************************************************\n";
diff --git a/example/example.cpp b/example/example.cpp
index 227eac75..1113431e 100644
--- a/example/example.cpp
+++ b/example/example.cpp
@@ -105,7 +105,7 @@ int main(int, char *[])
 
 void async_example()
 {
-    size_t q_size = 4096; 
+    size_t q_size = 4096;
     spdlog::set_async_mode(q_size);
     auto async_file = spd::daily_logger_st("async_file_logger", "logs/async_log.txt");
     for (int i = 0; i < 100; ++i)
diff --git a/tests/test_async.cpp b/tests/test_async.cpp
index 2bb2305b..0f5d84ea 100644
--- a/tests/test_async.cpp
+++ b/tests/test_async.cpp
@@ -39,7 +39,7 @@ TEST_CASE("discard policy ", "[async]")
     auto test_sink = std::make_shared<spdlog::sinks::test_sink_mt>();
     size_t queue_size = 2;
     size_t messages = 1024;
-	spdlog::drop("as");
+    spdlog::drop("as");
     auto logger = spdlog::create_async("as", test_sink, queue_size, spdlog::async_overflow_policy::discard_log_msg);
     for (size_t i = 0; i < messages; i++)
     {
@@ -53,28 +53,25 @@ TEST_CASE("discard policy ", "[async]")
     REQUIRE(test_sink->flushed_msg_counter() < messages);
 }
 
-
 TEST_CASE("flush", "[async]")
 {
     auto test_sink = std::make_shared<spdlog::sinks::test_sink_mt>();
     size_t queue_size = 256;
     size_t messages = 256;
-	spdlog::drop("as");
-	auto logger = std::make_shared<spdlog::async_logger>("as", test_sink, queue_size);     
+    spdlog::drop("as");
+    auto logger = std::make_shared<spdlog::async_logger>("as", test_sink, queue_size);
     for (size_t i = 0; i < messages; i++)
     {
         logger->info("Hello message #{}", i);
     }
 
     // the dtor wait for all messages in the queue to get processed
-	logger->flush();
-	std::this_thread::sleep_for(std::chrono::milliseconds(250));
+    logger->flush();
+    std::this_thread::sleep_for(std::chrono::milliseconds(250));
     REQUIRE(test_sink->msg_counter() == messages);
     REQUIRE(test_sink->flushed_msg_counter() == messages);
-	
-	
-	REQUIRE(test_sink->flushed_msg_counter() == messages);
-	
+
+    REQUIRE(test_sink->flushed_msg_counter() == messages);
 }
 
 TEST_CASE("multi threads", "[async]")
@@ -82,8 +79,8 @@ TEST_CASE("multi threads", "[async]")
     auto test_sink = std::make_shared<spdlog::sinks::test_sink_mt>();
     size_t queue_size = 128;
     size_t messages = 256;
-    size_t n_threads = 10;	
-	auto logger = std::make_shared<spdlog::async_logger>("as", test_sink, queue_size);    
+    size_t n_threads = 10;
+    auto logger = std::make_shared<spdlog::async_logger>("as", test_sink, queue_size);
 
     std::vector<std::thread> threads;
     for (size_t i = 0; i < n_threads; i++)
@@ -102,22 +99,21 @@ TEST_CASE("multi threads", "[async]")
     }
 
     // the dtor wait for all messages in the queue to get processed
-    logger.reset();    
+    logger.reset();
     REQUIRE(test_sink->msg_counter() == messages * n_threads);
     REQUIRE(test_sink->flushed_msg_counter() == messages * n_threads);
 }
 
-
 TEST_CASE("to_file", "[async]")
 {
-	
-	prepare_logdir();	
+
+    prepare_logdir();
     size_t queue_size = 512;
     size_t messages = 512;
-    size_t n_threads = 4;		
-	auto file_sink = std::make_shared<spdlog::sinks::simple_file_sink_mt>("logs/async_test.log", true);
-	auto logger = spdlog::create_async("as", file_sink, queue_size);
-	std::vector<std::thread> threads;
+    size_t n_threads = 4;
+    auto file_sink = std::make_shared<spdlog::sinks::simple_file_sink_mt>("logs/async_test.log", true);
+    auto logger = spdlog::create_async("as", file_sink, queue_size);
+    std::vector<std::thread> threads;
     for (size_t i = 0; i < n_threads; i++)
     {
         threads.emplace_back([logger, messages] {
@@ -132,9 +128,7 @@ TEST_CASE("to_file", "[async]")
     {
         t.join();
     }
-	logger.reset();
-	spdlog::drop("as");
-	REQUIRE(count_lines("logs/async_test.log") == messages * n_threads);	
+    logger.reset();
+    spdlog::drop("as");
+    REQUIRE(count_lines("logs/async_test.log") == messages * n_threads);
 }
-
-