diff --git a/src/drivers/px4fmu/fmu.cpp b/src/drivers/px4fmu/fmu.cpp
index b47674dffb..8fd1fdb543 100644
--- a/src/drivers/px4fmu/fmu.cpp
+++ b/src/drivers/px4fmu/fmu.cpp
@@ -186,8 +186,6 @@ public:
 
 	virtual int	init();
 
-	void dsm_bind_ioctl();
-
 	int		set_mode(Mode mode);
 	Mode		get_mode() { return _mode; }
 
@@ -339,7 +337,7 @@ private:
 			uint16_t raw_rc_values_local[input_rc_s::RC_INPUT_MAX_CHANNELS],
 			hrt_abstime now, bool frame_drop, bool failsafe,
 			unsigned frame_drops, int rssi);
-	void dsm_bind_ioctl(int dsmMode);
+
 	void set_rc_scan_state(RC_SCAN _rc_scan_state);
 	void rc_io_invert();
 	void rc_io_invert(bool invert);
@@ -1488,9 +1486,27 @@ PX4FMU::cycle()
 
 			// Check for a DSM pairing command
 			if (((unsigned int)cmd.command == vehicle_command_s::VEHICLE_CMD_START_RX_PAIR) && ((int)cmd.param1 == 0)) {
-				dsm_bind_ioctl((int)cmd.param2);
-			}
+				if (!_armed.armed) {
+					int dsm_bind_mode = (int)cmd.param2;
 
+					int dsm_bind_pulses = 0;
+
+					if (dsm_bind_mode == 0) {
+						dsm_bind_pulses = DSM2_BIND_PULSES;
+
+					} else if (dsm_bind_mode == 1) {
+						dsm_bind_pulses = DSMX_BIND_PULSES;
+
+					} else {
+						dsm_bind_pulses = DSMX8_BIND_PULSES;
+					}
+
+					ioctl(nullptr, DSM_BIND_START, dsm_bind_pulses);
+
+				} else {
+					PX4_WARN("system armed, bind request rejected");
+				}
+			}
 		}
 
 #endif
@@ -1793,18 +1809,8 @@ void PX4FMU::update_params()
 	update_pwm_rev_mask();
 	update_pwm_trims();
 
-	int32_t dsm_bind_val;
 	param_t param_handle;
 
-	/* see if bind parameter has been set, and reset it to -1 */
-	param_get(param_handle = param_find("RC_DSM_BIND"), &dsm_bind_val);
-
-	if (dsm_bind_val > -1) {
-		dsm_bind_ioctl(dsm_bind_val);
-		dsm_bind_val = -1;
-		param_set(param_handle, &dsm_bind_val);
-	}
-
 	// maximum motor slew rate parameter
 	param_handle = param_find("MOT_SLEW_MAX");
 
@@ -2459,7 +2465,7 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg)
 
 	case DSM_BIND_START:
 		/* only allow DSM2, DSM-X and DSM-X with more than 7 channels */
-		PX4_INFO("pwm_ioctl: DSM_BIND_START, arg: %lu", arg);
+		PX4_INFO("DSM_BIND_START: DSM%s RX", (arg == 0) ? "2" : ((arg == 1) ? "-X" : "-X8"));
 
 		if (arg == DSM2_BIND_PULSES ||
 		    arg == DSMX_BIND_PULSES ||
@@ -2483,6 +2489,7 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg)
 			ret = OK;
 
 		} else {
+			PX4_ERR("DSM bind failed");
 			ret = -EINVAL;
 		}
 
@@ -2926,26 +2933,6 @@ PX4FMU::gpio_ioctl(struct file *filp, int cmd, unsigned long arg)
 	return ret;
 }
 
-void
-PX4FMU::dsm_bind_ioctl(int dsmMode)
-{
-	if (!_armed.armed) {
-//      mavlink_log_info(&_mavlink_log_pub, "[FMU] binding DSM%s RX", (dsmMode == 0) ? "2" : ((dsmMode == 1) ? "-X" : "-X8"));
-		PX4_INFO("[FMU] binding DSM%s RX", (dsmMode == 0) ? "2" : ((dsmMode == 1) ? "-X" : "-X8"));
-		int ret = ioctl(nullptr, DSM_BIND_START,
-				(dsmMode == 0) ? DSM2_BIND_PULSES : ((dsmMode == 1) ? DSMX_BIND_PULSES : DSMX8_BIND_PULSES));
-
-		if (ret) {
-//            mavlink_log_critical(&_mavlink_log_pub, "binding failed.");
-			PX4_ERR("binding failed.");
-		}
-
-	} else {
-//        mavlink_log_info(&_mavlink_log_pub, "[FMU] system armed, bind request rejected");
-		PX4_WARN("[FMU] system armed, bind request rejected");
-	}
-}
-
 int
 PX4FMU::fmu_new_mode(PortMode new_mode)
 {
@@ -3043,24 +3030,17 @@ namespace
 void
 bind_spektrum()
 {
-	int	 fd;
-
-	fd = open(PX4FMU_DEVICE_PATH, O_RDWR);
+	int fd = open(PX4FMU_DEVICE_PATH, O_RDWR);
 
 	if (fd < 0) {
 		PX4_ERR("open fail");
 		return;
 	}
 
-	PX4_INFO("bind_Spektrum RX");
-
 	/* specify 11ms DSMX. RX will automatically fall back to 22ms or DSM2 if necessary */
-	if (ioctl(fd, DSM_BIND_START, DSMX8_BIND_PULSES)) {
-		PX4_ERR("binding failed.");
-	}
+	ioctl(fd, DSM_BIND_START, DSMX8_BIND_PULSES);
 
 	close(fd);
-
 }
 
 int fmu_new_i2c_speed(unsigned bus, unsigned clock_hz)
diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index 0e15781041..4f240facff 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -1049,18 +1049,6 @@ PX4IO::task_main()
 				parameter_update_s pupdate;
 				orb_copy(ORB_ID(parameter_update), _t_param, &pupdate);
 
-				int32_t dsm_bind_val;
-				param_t dsm_bind_param;
-
-				/* see if bind parameter has been set, and reset it to -1 */
-				param_get(dsm_bind_param = param_find("RC_DSM_BIND"), &dsm_bind_val);
-
-				if (dsm_bind_val > -1) {
-					dsm_bind_ioctl(dsm_bind_val);
-					dsm_bind_val = -1;
-					param_set(dsm_bind_param, &dsm_bind_val);
-				}
-
 				if (!_rc_handling_disabled) {
 					/* re-upload RC input config as it may have changed */
 					io_set_rc_config();
diff --git a/src/modules/sensors/rc_params.c b/src/modules/sensors/rc_params.c
index 1e21734875..b4e2a587da 100644
--- a/src/modules/sensors/rc_params.c
+++ b/src/modules/sensors/rc_params.c
@@ -1096,18 +1096,6 @@ PARAM_DEFINE_FLOAT(RC18_DZ, 0.0f);
  */
 PARAM_DEFINE_INT32(RC_RL1_DSM_VCC, 0); /* Relay 1 controls DSM VCC */
 
-/**
- * DSM binding trigger.
- *
- * @value -1 Inactive
- * @value 0 Start DSM2 bind
- * @value 1 Start DSMX bind
- * @min -1
- * @max 1
- * @group Radio Calibration
- */
-PARAM_DEFINE_INT32(RC_DSM_BIND, -1);
-
 /**
  * RC channel count
  *