diff --git a/include/libtorrent/aux_/session_impl.hpp b/include/libtorrent/aux_/session_impl.hpp
index 9cdcb7706..55c2e94e4 100644
--- a/include/libtorrent/aux_/session_impl.hpp
+++ b/include/libtorrent/aux_/session_impl.hpp
@@ -100,7 +100,7 @@ namespace libtorrent
 	namespace dht
 	{
 		struct dht_tracker;
-	};
+	}
 
 	namespace aux
 	{
diff --git a/include/libtorrent/proxy_base.hpp b/include/libtorrent/proxy_base.hpp
index 40795db48..4cce119e7 100644
--- a/include/libtorrent/proxy_base.hpp
+++ b/include/libtorrent/proxy_base.hpp
@@ -166,7 +166,7 @@ public:
 	}
 #endif
 
-	endpoint_type remote_endpoint(error_code& ec) const
+	endpoint_type remote_endpoint(error_code& /*ec*/) const
 	{
 		return m_remote_endpoint;
 	}
diff --git a/include/libtorrent/tracker_manager.hpp b/include/libtorrent/tracker_manager.hpp
index 2940dc8f4..5f3fe9080 100644
--- a/include/libtorrent/tracker_manager.hpp
+++ b/include/libtorrent/tracker_manager.hpp
@@ -120,8 +120,8 @@ namespace libtorrent
 		virtual ~request_callback() {}
 		virtual void tracker_warning(tracker_request const& req
 			, std::string const& msg) = 0;
-		virtual void tracker_scrape_response(tracker_request const& req
-			, int complete, int incomplete, int downloads) {}
+		virtual void tracker_scrape_response(tracker_request const& /*req*/
+			, int /*complete*/, int /*incomplete*/, int /*downloads*/) {}
 		virtual void tracker_response(
 			tracker_request const& req
 			, address const& tracker_ip