Remove unused using statement.

diff --git a/src/wx/content_panel.cc b/src/wx/content_panel.cc
index 5ec503720ca91ce0f8875bb7470ae611adbe9982..ceebd6e14282f846d8f174fd323abad7509c3a2c 100644 (file)
--- a/src/wx/content_panel.cc
+++ b/src/wx/content_panel.cc
@@ -58,7 +58,6 @@ using std::dynamic_pointer_cast;
 using std::exception;
 using std::list;
 using std::make_shared;
-using std::max;
 using std::shared_ptr;
 using std::string;
 using std::vector;