diff --git a/sysdata/programs/render_example/src/examples/intouch.hb b/sysdata/programs/render_example/src/examples/intouch.hb
index 79ee022..2c0267d 100644
--- a/sysdata/programs/render_example/src/examples/intouch.hb
+++ b/sysdata/programs/render_example/src/examples/intouch.hb
@@ -5,7 +5,6 @@ stn := @use("stn")
 example := fn(): void {
 	screen := render.init(true)
 	mouse_pos := stn.math.Vec2(int).(0, 0)
-	prev_pos := mouse_pos
 	bg_colour := render.BLACK
 	pen_colour := render.WHITE
 	loop {
@@ -14,8 +13,6 @@ example := fn(): void {
 			mouse_pos.x = stn.math.clamp(int, mouse_pos.x + mouse.x_change, 10, @bitcast(screen.width) - 10)
 			mouse_pos.y = stn.math.clamp(int, mouse_pos.y - mouse.y_change, 10, @bitcast(screen.height) - 10)
 
-			prev_pos = mouse_pos
-
 			if mouse.left {
 				screen.put_filled_circle(@bitcast(mouse_pos), 10, pen_colour)
 			} else if mouse.right {