diff --git a/src/modules/vtol_att_control/tailsitter.cpp b/src/modules/vtol_att_control/tailsitter.cpp
index f9a19881ff..52e9792eab 100644
--- a/src/modules/vtol_att_control/tailsitter.cpp
+++ b/src/modules/vtol_att_control/tailsitter.cpp
@@ -42,8 +42,6 @@
 #include "tailsitter.h"
 #include "vtol_att_control_main.h"
 
-#define ARSP_YAW_CTRL_DISABLE 4.0f	// airspeed at which we stop controlling yaw during a front transition
-#define THROTTLE_TRANSITION_MAX 0.25f	// maximum added thrust above last value in transition
 #define PITCH_TRANSITION_FRONT_P1 -1.1f	// pitch angle to switch to TRANSITION_P2
 #define PITCH_TRANSITION_BACK -0.25f	// pitch angle to switch to MC
 
@@ -60,8 +58,6 @@ Tailsitter::Tailsitter(VtolAttitudeControl *attc) :
 	_mc_yaw_weight = 1.0f;
 
 	_flag_was_in_trans_mode = false;
-
-	_params_handles_tailsitter.front_trans_dur_p2 = param_find("VT_TRANS_P2_DUR");
 	_params_handles_tailsitter.fw_pitch_sp_offset = param_find("FW_PSP_OFF");
 }
 
@@ -70,10 +66,6 @@ Tailsitter::parameters_update()
 {
 	float v;
 
-	/* vtol front transition phase 2 duration */
-	param_get(_params_handles_tailsitter.front_trans_dur_p2, &v);
-	_params_tailsitter.front_trans_dur_p2 = v;
-
 	param_get(_params_handles_tailsitter.fw_pitch_sp_offset, &v);
 	_params_tailsitter.fw_pitch_sp_offset = math::radians(v);
 }
diff --git a/src/modules/vtol_att_control/tailsitter.h b/src/modules/vtol_att_control/tailsitter.h
index e718ee79b0..c91a82d97d 100644
--- a/src/modules/vtol_att_control/tailsitter.h
+++ b/src/modules/vtol_att_control/tailsitter.h
@@ -64,12 +64,10 @@ public:
 private:
 
 	struct {
-		float front_trans_dur_p2;
 		float fw_pitch_sp_offset;
 	} _params_tailsitter{};
 
 	struct {
-		param_t front_trans_dur_p2;
 		param_t fw_pitch_sp_offset;
 	} _params_handles_tailsitter{};