I have a similar issue,
Will make a post once I test everything else out.
My movement is direct and once player fully turns it's as if it resets the walk / run so your left turning for example might be walking / running straight at that point.
The way I'd do it, as purple shine stated select dependencies ( from project folder ) then when I export selected items ( I uncheck select dependencies )
This seems to ignore everything else not used into that scene.
Of course you'd want to have…