diff --git a/src/lib/platform/XDGKeyUtil.h b/src/lib/platform/XDGKeyUtil.h
index d80495537..6cc5dfe31 100644
--- a/src/lib/platform/XDGKeyUtil.h
+++ b/src/lib/platform/XDGKeyUtil.h
@@ -12,14 +12,11 @@
 
 #include <cstdint>
 #include <map>
-#include <vector>
 
 //! XKB utility functions
 class XDGKeyUtil
 {
 public:
-  typedef std::vector<KeySym> KeySyms;
-
   //! Convert KeySym to KeyID
   /*!
   Converts a KeySym to the equivalent KeyID.  Returns kKeyNone if the