diff --git a/y2018/control_loops/drivetrain/drivetrain_base.h b/y2018/control_loops/drivetrain/drivetrain_base.h
index 0592a25..85e60e7 100644
--- a/y2018/control_loops/drivetrain/drivetrain_base.h
+++ b/y2018/control_loops/drivetrain/drivetrain_base.h
@@ -3,15 +3,11 @@
 
 #include "frc971/control_loops/drivetrain/drivetrain_config.h"
 
-namespace y2018 {
-namespace control_loops {
-namespace drivetrain {
+namespace y2018::control_loops::drivetrain {
 
 const ::frc971::control_loops::drivetrain::DrivetrainConfig<double> &
 GetDrivetrainConfig();
 
-}  // namespace drivetrain
-}  // namespace control_loops
-}  // namespace y2018
+}  // namespace y2018::control_loops::drivetrain
 
 #endif  // Y2018_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_