diff --git a/4/scratchcards.py b/4/scratchcards.py
index 7737552..2ce13c7 100644
--- a/4/scratchcards.py
+++ b/4/scratchcards.py
@@ -1,8 +1,5 @@
 from aocd.models import Puzzle
 from aocd import submit
-from dataclasses import dataclass
-import math
-import re
 
 
 def get_winning_numbers(input_data: str) -> list: