diff --git a/frc971/wpilib/wpilib_interface.h b/frc971/wpilib/wpilib_interface.h
index 1c55cc7..100c67e 100644
--- a/frc971/wpilib/wpilib_interface.h
+++ b/frc971/wpilib/wpilib_interface.h
@@ -3,22 +3,11 @@
 
 #include <stdint.h>
 
-#ifdef WPILIB2017
-namespace frc {
-class DriverStation;
-}  // namespace frc
-#else
-class DriverStation;
-namespace frc {
-using ::DriverStation;
-}  // namespace frc
-#endif
-
 namespace frc971 {
 namespace wpilib {
 
 // Sends out a message on ::aos::robot_state.
-void SendRobotState(int32_t my_pid, ::frc::DriverStation *ds);
+void SendRobotState(int32_t my_pid);
 
 }  // namespace wpilib
 }  // namespace frc971