Remove unused using statement.

1 files changed, 0 insertions, 1 deletions

diff --git a/src/wx/content_panel.cc b/src/wx/content_panel.cc
index 5ec503720..ceebd6e14 100644
--- 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;