diff --git a/src/drivers/px4fmu/fmu.cpp b/src/drivers/px4fmu/fmu.cpp
index e28837a5f2..e49714b24a 100644
--- a/src/drivers/px4fmu/fmu.cpp
+++ b/src/drivers/px4fmu/fmu.cpp
@@ -131,9 +131,6 @@ public:
 		MODE_4CAP,
 		MODE_5CAP,
 		MODE_6CAP,
-		MODE_4ONESHOT,
-		MODE_6ONESHOT,
-		MODE_8ONESHOT,
 	};
 	PX4FMU(bool run_as_task);
 	virtual ~PX4FMU();
@@ -614,18 +611,6 @@ PX4FMU::set_mode(Mode mode)
 		_pwm_initialized = false;
 		break;
 
-	case MODE_4ONESHOT:
-		DEVICE_DEBUG("MODE_4ONESHOT");
-
-		/* default output rates */
-		_pwm_default_rate = 0;
-		_pwm_alt_rate = 0;
-		_pwm_alt_rate_channels = 0;
-		_pwm_mask = 0xf;
-		_pwm_initialized = false;
-		mode =  MODE_4PWM;
-		break;
-
 	case MODE_4PWM: // v1 or v2 multi-port as 4 PWM outs
 		DEVICE_DEBUG("MODE_4PWM");
 
@@ -640,18 +625,6 @@ PX4FMU::set_mode(Mode mode)
 
 #if defined(BOARD_HAS_PWM) && BOARD_HAS_PWM >= 6
 
-	case MODE_6ONESHOT:
-		DEVICE_DEBUG("MODE_6ONESHOT");
-
-		/* default output rates */
-		_pwm_default_rate = 0;
-		_pwm_alt_rate = 0;
-		_pwm_alt_rate_channels = 0;
-		_pwm_mask = 0x3f;
-		_pwm_initialized = false;
-		mode =  MODE_6PWM;
-		break;
-
 	case MODE_6PWM:
 		DEVICE_DEBUG("MODE_6PWM");
 
@@ -667,18 +640,6 @@ PX4FMU::set_mode(Mode mode)
 
 #if defined(BOARD_HAS_PWM) && BOARD_HAS_PWM >= 8
 
-	case MODE_8ONESHOT:
-		DEVICE_DEBUG("MODE_8ONESHOT");
-
-		/* default output rates */
-		_pwm_default_rate = 0;
-		_pwm_alt_rate = 0;
-		_pwm_alt_rate_channels = 0;
-		_pwm_mask = 0xff;
-		_pwm_initialized = false;
-		mode =  MODE_8PWM;
-		break;
-
 	case MODE_8PWM: // AeroCore PWMs as 8 PWM outs
 		DEVICE_DEBUG("MODE_8PWM");
 		/* default output rates */
@@ -2999,7 +2960,6 @@ enum PortMode {
 	PORT_PWM3CAP1,
 	PORT_PWM2CAP2,
 	PORT_CAPTURE,
-	PORT_FULL_ONESHOT,
 };
 
 PortMode g_port_mode;
@@ -3019,19 +2979,6 @@ fmu_new_mode(PortMode new_mode)
 	case PORT_MODE_UNSET:
 		break;
 
-	case PORT_FULL_ONESHOT:
-#if defined(BOARD_HAS_PWM) && BOARD_HAS_PWM == 4
-		/* select 4-pin PWM mode */
-		servo_mode = PX4FMU::MODE_4ONESHOT;
-#endif
-#if defined(BOARD_HAS_PWM) && BOARD_HAS_PWM == 6
-		servo_mode = PX4FMU::MODE_6ONESHOT;
-#endif
-#if defined(BOARD_HAS_PWM) && BOARD_HAS_PWM == 8
-		servo_mode = PX4FMU::MODE_8ONESHOT;
-#endif
-		break;
-
 	case PORT_FULL_PWM:
 
 #if defined(BOARD_HAS_PWM) && BOARD_HAS_PWM == 4
@@ -3494,9 +3441,6 @@ fmu_main(int argc, char *argv[])
 	} else if (!strcmp(verb, "mode_rcin")) {
 		exit(0);
 
-	} else if (!strcmp(verb, "mode_oneshot")) {
-		new_mode = PORT_FULL_ONESHOT;
-
 	} else if (!strcmp(verb, "mode_pwm")) {
 		new_mode = PORT_FULL_PWM;