Remove from a fixed position (8)
I believe the answer is:
dislodge
'remove from a fixed position' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for dislodge that I've seen before include "Knock out of a fixed position" , "Force from a fixed or position" , "Force from an established position" , "Glided so as to move from established position" , "Drive away" .)