Cryptic crossword No 3,156

Across

1. Purposeful tpg certain to scrap clues in the end (8)
2. First ever males accepting help (6)
3. Exhausted Rothko rebuffed the German salon's initial requests (6)
4. Free spirits drained Limoncello and Newcastle w/ pitted olive special (4,6)
5. Losing cocaine in sofa, Earl and Sierra yelped interjections (6)
6. Defiant fire destroyed property (11)
7. Returned bundle of letters found in old-school Soviet city (4)
8. Two-piece band's opening number follows head-scratching tiki islander's intro (6)
9. They carry soup in Portugal's heartland with revolutionary scorn (7)
10. Observe and put up with Eton eccentric (4,4)
11. Whistleblowers take walk to find a place far, far away (5,5)
12. Annoy with question in conversation (4)
13. Dreamer in Utah quietly cycling (7)

Down

1. Money raised for Goldfinger's home? (4)
2. Books openings for vasectomy or lobotomy - undecided - maybe either’s sufficient? (7)
3. Caught unawares, uncovered wasp, bled and wept (6)
4. Competition calls for two priests wearing glasses to sit on belly of lions (10)
5. Losing time, wanting third revised script? (11)
6. Sounds like you are going through boyfriend's desk (6)
7. Heard Billy, the one dancing with himself, is unemployed (4)
8. Vintage doll regularly wakened twerp's sister (6)
9. Three mines blowing up break into small fragments (10)
10. Bypassing channel, quickly left anonymous note on detective's train (4,4)
11. Altogether iconic sandwiches - heavenly! (7)
12. Superfan, concealing a slippery character, married Superman? (8)
13. Rubber head cut from Lynch film (6)