diff --git a/include/spdlog/sinks/dist_sink.h b/include/spdlog/sinks/dist_sink.h
index 0e7cfc1e..4c0e00f2 100644
--- a/include/spdlog/sinks/dist_sink.h
+++ b/include/spdlog/sinks/dist_sink.h
@@ -12,9 +12,10 @@
 
 #include <algorithm>
 #include <memory>
-#include <mutex>
 #include <vector>
 
+// Distribution sink (mux). Stores a vector of sinks which get called when log is called
+
 namespace spdlog
 {
 namespace sinks
@@ -29,40 +30,33 @@ public:
     virtual ~dist_sink() = default;
 
 protected:
+	std::vector<std::shared_ptr<sink>> _sinks;
+
     void _sink_it(const details::log_msg& msg) override
     {
-        for (auto iter = _sinks.begin(); iter != _sinks.end(); iter++)
-            (*iter)->log(msg);
+		for (auto &sink : _sinks)
+			sink->log(msg);		
     }
-
-    std::vector<std::shared_ptr<sink>> _sinks;
+    
 
 public:
     void flush() override
     {
-        std::lock_guard<Mutex> lock(base_sink<Mutex>::_mutex);
-        for (auto iter = _sinks.begin(); iter != _sinks.end(); iter++)
-            (*iter)->flush();
+        std::lock_guard<Mutex> lock(_mutex);
+		for (auto &sink : _sinks)
+			sink->flush();
     }
 
     void add_sink(std::shared_ptr<sink> sink)
-    {
-        std::lock_guard<Mutex> lock(base_sink<Mutex>::_mutex);
-        if (sink &&
-                _sinks.end() == std::find(_sinks.begin(), _sinks.end(), sink))
-        {
-            _sinks.push_back(sink);
-        }
+    {		
+        std::lock_guard<Mutex> lock(_mutex);        
+        _sinks.push_back(sink);        
     }
 
     void remove_sink(std::shared_ptr<sink> sink)
     {
-        std::lock_guard<Mutex> lock(base_sink<Mutex>::_mutex);
-        auto pos = std::find(_sinks.begin(), _sinks.end(), sink);
-        if (pos != _sinks.end())
-        {
-            _sinks.erase(pos);
-        }
+        std::lock_guard<Mutex> lock(_mutex);
+		_sinks.erase(std::remove(_sinks.begin(), _sinks.end(), sink), _sinks.end());        
     }
 };