The bathroom door lock knob on the door exterior has a small whole that allows a stiff rod to be inserted into pushing in on the rod will release the lock this is a safety feature.
How to disable a bedroom door lock.
Then the lock is on the outside of the door.
A word of caution.
With the right tools in hand and clear instructions removing a door knob is a home improvement task even your kids can help you with.
You could also bring the handle into a hardware store that cuts keys and get a set of keys made or you can get the lock re keyed to work with your front door key or another.
You can remove the handle take the lock apart and remove the pins.
If you are able to gain access to the interior of the room through a window or some other means this is usually the easiest way to remove the lock.
Another way to unlock a door without a key is to simply work on making the door and its accompanying door lock somewhat irrelevant.
If these doors are locked it can be difficult to remove the lock and replace it with a unit that works.
One of the most common ways to accomplish this is to kick the door down or ram it so that the lock is dislodged from the door jamb.
So what do you do if you accidentally lock yourself out of your bedroom or your kid locks the door not so accidentally.
If that knob is the only way to lock that door then its behavior might be a safety feature required by your local building codes.
How to remove a door lock at home.
The kind the original hack refers to are locked by pushing the entire doorknob in.
Whether you want to replace a lock altogether or you need to remove a lock to have it re keyed by a professional removing a residential door lock is something you can easily do yourself.
The ones more common are the type that have a small inner knob that you push in or turn or both to lock the door.
Unfortunately with a plethora of doorknobs available on the market you may not even know what kind you have.
My suggestion for either is to remove the doorknob entirely and reinstall it backwards.
Remove door knob without screws suddenly you are left with the task of removing your doorknob you rightfully infer it will be easy enough simply take out a few screws and take the knob right off.
A locking doorknob or lockset on your bedroom door is properly called a privacy lockset this means that you can lock the door from inside the room and in most cases you cannot unlock it with a key from the other side of the door as you can with an entry lockset.
If there s no obvious way to disable the lock i recommend just getting a new doorknob that works the way you want it to work.
Your knob has a keyhole and there s no deadbolt visible in your photo.