customize-group RET sieve RET}):
 
 @table @code
-@item sieve-manage-default-user
-@vindex sieve-manage-default-user
-\e$B%G%#%U%)%k%H$N%f!<%6!<L>$r@_Dj$7$^$9!#\e(B
-
 @item sieve-manage-default-port
 @vindex sieve-manage-default-port
 \e$B;EMM$9$k%G%#%U%)%k%H$N%]!<%H$r@_Dj$7$^$9!#Ds0F$5$l$F$$$k%]!<%HHV9f\e(B
 @findex sieve-manage-close
 \e$B%5!<%P!<$H$N@\B3$rJD$8$^$9!#\e(B
 
-@item sieve-manage-authenticate
-@findex sieve-manage-authenticate
-\e$B%5!<%P!<$rG'>Z$7$^$9!#\e(B
-
 @item sieve-manage-capability
 @findex sieve-manage-capability
 \e$B%5!<%P!<$,%5%]!<%H$7$F$$$k5!G=$N%j%9%H$rJV$7$^$9!#\e(B