Developer options in android phone.

Settings > about phone > tap 7 times on build number > now developer option is enabled.

Settings > apps > settings > storage > clear data > now developer option is disabled and hidden.

Go to settings

slide to about phone option at the end

tap seven times on build number

Now you have the privilege of developer 

Now you can see the developer option in the settings

Now you can set different options within developer option 

To disable and hide the option go to apps in the settings

go to storage

clear all the data, that means you reset the settings

One of my video on the activating- deactivating developer option in moto g 2, marshmallow