Index: obj_pstk_op.c
===================================================================
--- obj_pstk_op.c	(revision 13852)
+++ obj_pstk_op.c	(revision 13853)
@@ -91,7 +91,6 @@
 	pcb_pstk_invalidate_erase(ps);
 	pcb_pstk_move_(ps, ctx->move.dx, ctx->move.dy);
 	pcb_pstk_invalidate_draw(ps);
-	pcb_draw();
 	return ps;
 }