How to get rid of the Mac's own English input method

I believe that we have installed Sogou, QQ and so on input method, at the same time, these input methods are included in the English input method, each time switching to switch to a very troublesome, there is no way to bring the system from the English input method to remove it? In this, small series to introduce a small method, this may be a small bug, but very useful

First open the language and text options in System Preferences, open the input source

I believe everyone "American English" This option is gray, can not be checked, so we have a curve to the salvation. Turn to the bottom, tick the Vietnamese text input method, check the following options:

At this time, you go back to see the "American English" input into a blue, you can tick, remove that tick, and then go back to see the Vietnamese text input method can be checked, and then remove the Vietnamese text input method. OK, so it's done, the English input method is gone, enjoy the convenient input method ....