diff --git a/2021/d06/ex1/ex1.py b/2021/d06/ex1/ex1.py
deleted file mode 100755
index d6c0a79..0000000
--- a/2021/d06/ex1/ex1.py
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env python
-
-import itertools
-import sys
-from collections import Counter
-from dataclasses import dataclass
-from typing import Iterator, List, Tuple
-
-
-def nth(iterable: Iterator[int], n: int) -> int:
-    return next(itertools.islice(iterable, n, None))
-
-
-def solve(input: List[str]) -> int:
-    fish = [0] * 9
-    for n, count in Counter(map(int, input[0].split(","))).items():
-        fish[n] = count
-
-    def step(fish: List[int]) -> List[int]:
-        # Count how many clones happen
-        new_fish = fish[0]
-
-        # Do the next cycle
-        fish[0:-1] = fish[1:]
-        fish[6] += new_fish
-        fish[8] = new_fish  # Override number of new fish
-
-        return fish
-
-    def iter(fish: List[int]) -> Iterator[List[int]]:
-        while True:
-            yield (fish := step(fish))
-
-    return sum(nth(iter(fish), 80 - 1))
-
-
-def main() -> None:
-    input = [line.strip() for line in sys.stdin.readlines()]
-    print(solve(input))
-
-
-if __name__ == "__main__":
-    main()
diff --git a/2021/d06/ex1/input b/2021/d06/ex1/input
deleted file mode 100644
index 87141dd..0000000
--- a/2021/d06/ex1/input
+++ /dev/null
@@ -1 +0,0 @@
-3,1,4,2,1,1,1,1,1,1,1,4,1,4,1,2,1,1,2,1,3,4,5,1,1,4,1,3,3,1,1,1,1,3,3,1,3,3,1,5,5,1,1,3,1,1,2,1,1,1,3,1,4,3,2,1,4,3,3,1,1,1,1,5,1,4,1,1,1,4,1,4,4,1,5,1,1,4,5,1,1,2,1,1,1,4,1,2,1,1,1,1,1,1,5,1,3,1,1,4,4,1,1,5,1,2,1,1,1,1,5,1,3,1,1,1,2,2,1,4,1,3,1,4,1,2,1,1,1,1,1,3,2,5,4,4,1,3,2,1,4,1,3,1,1,1,2,1,1,5,1,2,1,1,1,2,1,4,3,1,1,1,4,1,1,1,1,1,2,2,1,1,5,1,1,3,1,2,5,5,1,4,1,1,1,1,1,2,1,1,1,1,4,5,1,1,1,1,1,1,1,1,1,3,4,4,1,1,4,1,3,4,1,5,4,2,5,1,2,1,1,1,1,1,1,4,3,2,1,1,3,2,5,2,5,5,1,3,1,2,1,1,1,1,1,1,1,1,1,3,1,1,1,3,1,4,1,4,2,1,3,4,1,1,1,2,3,1,1,1,4,1,2,5,1,2,1,5,1,1,2,1,2,1,1,1,1,4,3,4,1,5,5,4,1,1,5,2,1,3
diff --git a/2021/d06/ex2/ex2.py b/2021/d06/ex2/ex2.py
deleted file mode 100755
index f89cd44..0000000
--- a/2021/d06/ex2/ex2.py
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env python
-
-import itertools
-import sys
-from collections import Counter
-from dataclasses import dataclass
-from typing import Iterator, List, Tuple
-
-
-def nth(iterable: Iterator[int], n: int) -> int:
-    return next(itertools.islice(iterable, n, None))
-
-
-def solve(input: List[str]) -> int:
-    fish = [0] * 9
-    for n, count in Counter(map(int, input[0].split(","))).items():
-        fish[n] = count
-
-    def step(fish: List[int]) -> List[int]:
-        # Count how many clones happen
-        new_fish = fish[0]
-
-        # Do the next cycle
-        fish[0:-1] = fish[1:]
-        fish[6] += new_fish
-        fish[8] = new_fish  # Override number of new fish
-
-        return fish
-
-    def iter(fish: List[int]) -> Iterator[List[int]]:
-        while True:
-            yield (fish := step(fish))
-
-    return sum(nth(iter(fish), 256 - 1))
-
-
-def main() -> None:
-    input = [line.strip() for line in sys.stdin.readlines()]
-    print(solve(input))
-
-
-if __name__ == "__main__":
-    main()
diff --git a/2021/d06/ex2/input b/2021/d06/ex2/input
deleted file mode 100644
index 87141dd..0000000
--- a/2021/d06/ex2/input
+++ /dev/null
@@ -1 +0,0 @@
-3,1,4,2,1,1,1,1,1,1,1,4,1,4,1,2,1,1,2,1,3,4,5,1,1,4,1,3,3,1,1,1,1,3,3,1,3,3,1,5,5,1,1,3,1,1,2,1,1,1,3,1,4,3,2,1,4,3,3,1,1,1,1,5,1,4,1,1,1,4,1,4,4,1,5,1,1,4,5,1,1,2,1,1,1,4,1,2,1,1,1,1,1,1,5,1,3,1,1,4,4,1,1,5,1,2,1,1,1,1,5,1,3,1,1,1,2,2,1,4,1,3,1,4,1,2,1,1,1,1,1,3,2,5,4,4,1,3,2,1,4,1,3,1,1,1,2,1,1,5,1,2,1,1,1,2,1,4,3,1,1,1,4,1,1,1,1,1,2,2,1,1,5,1,1,3,1,2,5,5,1,4,1,1,1,1,1,2,1,1,1,1,4,5,1,1,1,1,1,1,1,1,1,3,4,4,1,1,4,1,3,4,1,5,4,2,5,1,2,1,1,1,1,1,1,4,3,2,1,1,3,2,5,2,5,5,1,3,1,2,1,1,1,1,1,1,1,1,1,3,1,1,1,3,1,4,1,4,2,1,3,4,1,1,1,2,3,1,1,1,4,1,2,5,1,2,1,5,1,1,2,1,2,1,1,1,1,4,3,4,1,5,5,4,1,1,5,2,1,3