diff --git a/src/drivers/bmi055/bmi055_accel.cpp b/src/drivers/bmi055/bmi055_accel.cpp
index 319c2cafca..962f89b4de 100644
--- a/src/drivers/bmi055/bmi055_accel.cpp
+++ b/src/drivers/bmi055/bmi055_accel.cpp
@@ -471,13 +471,6 @@ BMI055_accel::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case ACCELIOCSELFTEST:
 		return accel_self_test();
 
-#ifdef ACCELIOCGHWLOWPASS
-
-	case ACCELIOCGHWLOWPASS:
-		return _dlpf_freq;
-#endif
-
-
 	default:
 		/* give it to the superclass */
 		return SPI::ioctl(filp, cmd, arg);
diff --git a/src/drivers/bmi160/bmi160.cpp b/src/drivers/bmi160/bmi160.cpp
index a1d4db34d6..d0e070246c 100644
--- a/src/drivers/bmi160/bmi160.cpp
+++ b/src/drivers/bmi160/bmi160.cpp
@@ -751,13 +751,6 @@ BMI160::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case ACCELIOCSELFTEST:
 		return accel_self_test();
 
-#ifdef ACCELIOCGHWLOWPASS
-
-	case ACCELIOCGHWLOWPASS:
-		return _dlpf_freq;
-#endif
-
-
 	default:
 		/* give it to the superclass */
 		return SPI::ioctl(filp, cmd, arg);
diff --git a/src/drivers/drv_accel.h b/src/drivers/drv_accel.h
index b835415e6a..43e566093a 100644
--- a/src/drivers/drv_accel.h
+++ b/src/drivers/drv_accel.h
@@ -97,9 +97,6 @@ struct accel_calibration_s {
 /** get the result of a sensor self-test */
 #define ACCELIOCSELFTEST	_ACCELIOC(9)
 
-/** get the hardware low-pass filter cut-off in Hz*/
-#define ACCELIOCGHWLOWPASS	_ACCELIOC(11)
-
 /** determine if hardware is external or onboard */
 #define ACCELIOCGEXTERNAL	_ACCELIOC(12)
 
diff --git a/src/drivers/mpu9250/mpu9250.cpp b/src/drivers/mpu9250/mpu9250.cpp
index 1fc394adc5..4922cfb106 100644
--- a/src/drivers/mpu9250/mpu9250.cpp
+++ b/src/drivers/mpu9250/mpu9250.cpp
@@ -926,12 +926,6 @@ MPU9250::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case ACCELIOCSELFTEST:
 		return accel_self_test();
 
-#ifdef ACCELIOCGHWLOWPASS
-
-	case ACCELIOCGHWLOWPASS:
-		return _dlpf_freq;
-#endif
-
 	default:
 		/* give it to the superclass */
 		return CDev::ioctl(filp, cmd, arg);