No line_to_* functions with IS_KINEMATIC

Marlin/Marlin_main.cpp

@@ -1446,6 +1446,8 @@ inline float get_homing_bump_feedrate(AxisEnum axis) {
   }
   return homing_feedrate_mm_s[axis] / hbd;
 }
+
+#if !IS_KINEMATIC
   //
   // line_to_current_position
   // Move the planner to the current position from wherever it last moved
@@ -1455,10 +1457,6 @@ inline void line_to_current_position() {
     planner.buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], feedrate_mm_s, active_extruder);
   }
 
-inline void line_to_z(float zPosition) {
-  planner.buffer_line(current_position[X_AXIS], current_position[Y_AXIS], zPosition, current_position[E_AXIS], feedrate_mm_s, active_extruder);
-}
-
   //
   // line_to_destination
   // Move the planner, not necessarily synced with current_position
@@ -1468,6 +1466,8 @@ inline void line_to_destination(float fr_mm_s) {
   }
   inline void line_to_destination() { line_to_destination(feedrate_mm_s); }
 
+#endif // !IS_KINEMATIC
+
 inline void set_current_to_destination() { memcpy(current_position, destination, sizeof(current_position)); }
 inline void set_destination_to_current() { memcpy(destination, current_position, sizeof(destination)); }
 
@@ -2785,8 +2785,7 @@ inline void gcode_G4() {
 
     // Move all carriages together linearly until an endstop is hit.
     current_position[X_AXIS] = current_position[Y_AXIS] = current_position[Z_AXIS] = (Z_MAX_LENGTH + 10);
-    feedrate_mm_s = homing_feedrate_mm_s[X_AXIS];
-    line_to_current_position();
+    planner.buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], homing_feedrate_mm_s[X_AXIS], active_extruder);
     stepper.synchronize();
     endstops.hit_on_purpose(); // clear endstop hit flags