diff --git a/command/guid.hpp b/command/guid.hpp
index 60a76a5..3bd8597 100644
--- a/command/guid.hpp
+++ b/command/guid.hpp
@@ -20,19 +20,11 @@
  * @return If UUID is successfully read from the Chassis DBUS object, then the
  *         GUID is returned, else a canned GUID is returned
  */
-Guid getSystemGUID();
+const Guid& getSystemGUID();
 
 /**
  *  @brief Register the callback to update the cache when the GUID changes
  */
 void registerGUIDChangeCallback();
 
-void getUIDObjectInfo();
 } // namespace command
-
-namespace cache
-{
-
-extern command::Guid guid;
-
-} // namespace cache