diff --git a/rtl_lib/gearbox.sby b/rtl_lib/gearbox.sby
index 6c6183db214e312024ae80ee8a3771a8f33b048c..f30921a007bdadd45da45ee69c6a9a226d7ac830 100644
--- a/rtl_lib/gearbox.sby
+++ b/rtl_lib/gearbox.sby
@@ -14,10 +14,6 @@ smtbmc
 read_ilang gearbox.il
 show -format dot -notitle
 prep -top top
-proc
-opt
-fsm
-flatten
 
 
 [files]