Clue: Withdraw shilling ("Bob") from Dickens at Xmas – it's gone (7)
Answer: SCRATCH
Explanation: Withdraw shilling ("Bob") from Dickens at Xmas – it's gone (7)
**S** (shilling) + **CRATCH**(it) ("Bob from DIckens at Xmas", with IT *gone*) 
*Bob Cratchit was a clerk who worked for Scrooge in Dickens' *A Christmas Carol*.