Telling your mind that rituals are meaningless?!?

Hello everyone; sorry for starting another new thread; but i want to self-help as much as possible; and to see if there are any successful techniques which can stop people from performing rituals.

How do you tell yourself that the ritual you want to perform; to stop something bad from happening; is meaniningless and is just an OCD obsession; and will have no effect on the 'bad thought' that you think is going to occur; if you do not perform the ritual?!?

If anyone has any successful strategies; that they found work;worked; really well; then please reply!?!

Thank you!?!