Remove an unused using.

diff --git a/src/lib/player_video.cc b/src/lib/player_video.cc
index e473b8750474a975f53c3fdf6f1521ec2407e1b8..d3a2868293e8adac8ba74cfe058f8b9b7fb223ee 100644 (file)
--- a/src/lib/player_video.cc
+++ b/src/lib/player_video.cc
@@ -36,7 +36,6 @@ extern "C" {
 using std::cout;
 using std::dynamic_pointer_cast;
 using std::make_shared;
-using std::pair;
 using std::shared_ptr;
 using std::string;
 using std::weak_ptr;