You probably should use those pages for their intended purpose.
But, if you want to turn them off, I think what you're asking for can be found in Admin->Configuration->Define Pages status
Type: Posts; User: DrByte
You probably should use those pages for their intended purpose.
But, if you want to turn them off, I think what you're asking for can be found in Admin->Configuration->Define Pages status
Click remove. You can click Install later if you want the features available.
Admin->Modules->Order Total ... disable ot_coupon and ot_gv if you don't intend to offer those features. That will turn off their links everywhere else.