Walker didn't take part in Wednesday's practice due to an illness, John Boyle of the Seahawks' official site reports.
Walker came down with an illness this past weekend that left him questionable for the Week 7 game. He ended up suiting up Sunday in Atlanta, and while his snap share of 47 percent was below his norm (between 60 and 70 percent) on the season, he still had 14 carries for 69 yards and one touchdown and gathered in both targets for 24 yards and another score. Meanwhile No. 2 back Zach Charbonnet earned a 55 percent snap share and tallied eight touches for just nine total yards. Because Walker remains under the weather at the beginning of Week 8 prep, he has plenty of time to put the ailment behind him ahead of Sunday's game against the Bills.