Why eliminate perfectly healthy kana?

Finally found these forgotten kana
ゑ　ヱ ゐ　ヰ ヹヸヺヷ

Now I wonder why they were eliminated? They are still in the codepage but not accessible through IME as far as I can tell. If japanese used this there would be no more eating baikingu or calling someone bikutoria.

I wonder when they were killed off? After the occupation?

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Relevant Pages

  • Re: =?UTF-8?B?5LiL5Zyw?=
    ... Microsoft IME. ... So I convert kana to romaji, IME converts back and I get feedback about ... The kanji should match those in Kodansha. ...
    (sci.lang.japan)
  • =?utf-8?B?UmU6IOS4i+WcsA==?=
    ... Microsoft IME. ... So I convert kana to romaji, IME converts back and I get feedback about ... The kanji should match those in Kodansha. ...
    (sci.lang.japan)
  • =?utf-8?B?5LiL5Zyw?=
    ... Microsoft IME. ... So I convert kana to romaji, IME converts back and I get feedback about ... The kanji should match those in Kodansha. ...
    (sci.lang.japan)
  • Re: Why eliminate perfectly healthy kana?
    ... They are still in the codepage but not accessible through IME as far as I can tell. ... I doubt if they ever really came to life. ... They could only be used for transcribing foreign languages, and there are other ways to do that. ...
    (sci.lang.japan)
  • Re: Why eliminate perfectly healthy kana?
    ... They are still in the codepage but not accessible through IME as far as I can tell. ... Between ISPS, something went afoul. ...
    (sci.lang.japan)