wrote in
nk.net:

When all else fails, check the NOTAMS:

FDC 5/1241 - FI/T WILLIAMSON COUNTY REGIONAL, MARION, IL. ILS RWY 20,
AMDT 11A... S-ILS MINIMUMS NA. DISTANCE FAF TO MAP 4.57 NM. DELETE ALL
REFERENCE TO MM. WIE UNTIL UFN

But that doesn't answer the OP's question - why?

--
Regards,

Stan

"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety." B. Franklin