Actually Clapton isn't on the Lennon version of the Plastic Ono Band albums either. Only other personnel is Ringo Starr and Klaus Voorman on bass (I think...) and some piano by Phil Spector...
Clapton DOES play on Fly though, but surprisingly he's pretty tolerable there(!) Hard to believe since it's the same year the crappy Derek and the Dominoes set came out. (Yecch!!!!)