diff --git a/2020/day03_toboggan.py b/2020/day03_toboggan.py
index 2a6b204..c860693 100644
--- a/2020/day03_toboggan.py
+++ b/2020/day03_toboggan.py
@@ -1,6 +1,5 @@
-from collections import Counter
 from math import prod
-from typing import List, Tuple
+from typing import List
 
 TREE = "#"
 
diff --git a/2020/day09_xmas.py b/2020/day09_xmas.py
index 98b7fb9..c81a130 100644
--- a/2020/day09_xmas.py
+++ b/2020/day09_xmas.py
@@ -1,4 +1,3 @@
-import copy
 import itertools
 from typing import List
 
diff --git a/2020/day10_adapter_array.py b/2020/day10_adapter_array.py
index a0ed0e5..04d08a0 100644
--- a/2020/day10_adapter_array.py
+++ b/2020/day10_adapter_array.py
@@ -1,4 +1,3 @@
-import copy
 import functools
 import itertools
 from typing import List, Tuple
diff --git a/2020/day11_seating.py b/2020/day11_seating.py
index 58f7247..9ae74e5 100644
--- a/2020/day11_seating.py
+++ b/2020/day11_seating.py
@@ -1,11 +1,6 @@
-import copy
 import functools
-import itertools
 from collections import Counter
-from pprint import pprint
-from typing import List, Tuple, Iterable, Dict, Optional
-
-import networkx as nx
+from typing import List, Tuple, Dict, Optional
 
 
 def main(filename: str, expected_part_1: int = None, expected_part_2: int = None):