--- a/ipc/dbus/DBusUtils.cpp
+++ b/ipc/dbus/DBusUtils.cpp
@@ -625,32 +625,16 @@ int dbus_returns_int32(DBusMessage *repl
                              DBUS_TYPE_INT32, &ret,
                              DBUS_TYPE_INVALID)) {
     LOG_AND_FREE_DBUS_ERROR_WITH_MSG(&err, reply);
   }
 
   return ret;
 }
 
-int dbus_returns_uint32(DBusMessage *reply)
-{
-  DBusError err;
-  uint32_t ret = -1;
-
-  dbus_error_init(&err);
-  if (!dbus_message_get_args(reply, &err,
-                             DBUS_TYPE_UINT32, &ret,
-                             DBUS_TYPE_INVALID)) {
-    LOG_AND_FREE_DBUS_ERROR_WITH_MSG(&err, reply);
-  }
-
-  dbus_message_unref(reply);
-  return ret;
-}
-
 void DBusReplyHandler::Callback(DBusMessage* aReply, void* aData)
 {
   MOZ_ASSERT(aData);
 
   nsRefPtr<DBusReplyHandler> handler =
     already_AddRefed<DBusReplyHandler>(static_cast<DBusReplyHandler*>(aData));
 
   handler->Handle(aReply);

--- a/ipc/dbus/DBusUtils.h
+++ b/ipc/dbus/DBusUtils.h
@@ -158,15 +158,13 @@ DBusMessage*  dbus_func_args_timeout_val
                                             const char* path,
                                             const char* ifc,
                                             const char* func,
                                             int first_arg_type,
                                             va_list args);
 
 int dbus_returns_int32(DBusMessage *reply);
 
-int dbus_returns_uint32(DBusMessage *reply);
-
 }
 }
 
 #endif