Dickinson will be sidelined indefinitely due to an undisclosed injury, Jason Gregor of Sports 1440 Edmonton reports Friday.
Tralmaks was placed on waivers by the Oilers on Friday for the purpose of assignment to AHL Bakersfield.
Brown was placed on waivers by the Oilers on Friday for the purpose of assignment to AHL Bakersfield.
Stillman was waived by the Oilers on Friday.
Howard scored a goal on seven shots, dished an assist and went plus-2 in Thursday's 2-1 preseason win over the Canucks.
Jarry stopped 25 of 26 shots in Thursday's 2-1 preseason win over the Canucks.
Jarry will protect the road goal in Thursday's preseason game versus the Canucks, per the NHL media site.
Demidov (foot) was deemed day-to-day, but is not expected to miss the start of the regular season, per Stu Cowan of The Montreal Gazette.
Levi will patrol the road crease in Tuesday's preseason contest against the Jets.
Walman said Wednesday that he focused on his conditioning during the offseason, Jason Gregor of Sports 1440 Edmonton reports.
