When I say "remove," I mean "permanently remove, forever, for everybody." All I want is a plain vanilla text box to paste HTML into, which I am editing locally.
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):
问题:
回答1:
You may set the tinymce configuration parameter mode to none.
This means a special command is needed in order to initaialize the editor, thus your textarea will stay as it is.
回答2:
Nothing can be really be permanent as it's part of the core and updates will likely re-enable it at some point.
You can try adding add_filter ( 'user_can_richedit' , create_function ( '$a' , 'return false;' ) , 50 ); to your functions.php file.
