diff --git a/src/drivers/imu/mpu9250/mag.cpp b/src/drivers/imu/mpu9250/mag.cpp
index 12a294064c..0b5f4686de 100644
--- a/src/drivers/imu/mpu9250/mag.cpp
+++ b/src/drivers/imu/mpu9250/mag.cpp
@@ -384,18 +384,6 @@ MPU9250_mag::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case MAGIOCGRANGE:
 		return 48; // fixed full scale measurement range of +/- 4800 uT == 48 Gauss
 
-#ifdef MAGIOCSHWLOWPASS
-
-	case MAGIOCSHWLOWPASS:
-		return -EINVAL;
-#endif
-
-#ifdef MAGIOCGHWLOWPASS
-
-	case MAGIOCGHWLOWPASS:
-		return -EINVAL;
-#endif
-
 	default:
 		return (int)CDev::ioctl(filp, cmd, arg);
 	}