diff --git a/src/lv_widgets/lv_rotary.c b/src/lv_widgets/lv_rotary.c
index 33a932377..149a41064 100644
--- a/src/lv_widgets/lv_rotary.c
+++ b/src/lv_widgets/lv_rotary.c
@@ -410,21 +410,14 @@ static lv_res_t lv_rotary_signal(lv_obj_t * rotary, lv_signal_t sign, void * par
         lv_indev_get_point(param, &p);
         lv_coord_t drag_diff;
         lv_coord_t drag_x_diff = p.x -ext->last_press_point.x;
-        lv_coord_t drag_y_diff = p.y -ext->last_press_point.y;
 
         if (LV_MATH_ABS(drag_x_diff) > ext->threshold) {
             if (drag_x_diff > 0) drag_x_diff = ext->threshold;
             else drag_x_diff = -ext->threshold;
         }
-        if (LV_MATH_ABS(drag_y_diff) > ext->threshold) {
-            if (drag_y_diff > 0) drag_x_diff = ext->threshold;
-            else drag_y_diff = -ext->threshold;
-        }
+        drag_diff = drag_x_diff;
         ext->last_press_point = p;
 
-        if (LV_MATH_ABS(drag_x_diff) > LV_MATH_ABS(drag_y_diff)) drag_diff = drag_x_diff;
-        else drag_diff = drag_y_diff;
-
         if (ext->knob_area.y1 < p.y && p.y < ext->knob_area.y2) {
             if (drag_diff > 0 && p.x < ext->knob_area.x2) {
                 if (lv_rotary_set_value(rotary, lv_rotary_get_value(rotary) + drag_diff * ext->sensitivity, LV_ANIM_ON)) {