diff --git a/2022/d04/ex1/ex1.py b/2022/d04/ex1/ex1.py
deleted file mode 100755
index 8ec60f6..0000000
--- a/2022/d04/ex1/ex1.py
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/usr/bin/env python
-
-import sys
-
-
-def solve(input: list[str]) -> int:
-    def is_redundant(line: str) -> bool:
-        def assignment_to_set(elf: str) -> set[int]:
-            start, end = elf.split("-")
-            return set(range(int(start), int(end) + 1))
-
-        elf1, elf2 = map(assignment_to_set, line.split(","))
-        return elf1.issubset(elf2) or elf2.issubset(elf1)
-
-    return sum(map(is_redundant, input))
-
-
-def main() -> None:
-    input = sys.stdin.read().splitlines()
-    print(solve(input))
-
-
-if __name__ == "__main__":
-    main()
diff --git a/2022/d04/ex1/input b/2022/d04/ex1/input
deleted file mode 100644
index b52da37..0000000
--- a/2022/d04/ex1/input
+++ /dev/null
@@ -1,1000 +0,0 @@
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diff --git a/2022/d04/ex2/ex2.py b/2022/d04/ex2/ex2.py
deleted file mode 100755
index 1b0049c..0000000
--- a/2022/d04/ex2/ex2.py
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/usr/bin/env python
-
-import sys
-
-
-def solve(input: list[str]) -> int:
-    def is_overlapping(line: str) -> bool:
-        def assignment_to_set(elf: str) -> set[int]:
-            start, end = elf.split("-")
-            return set(range(int(start), int(end) + 1))
-
-        elf1, elf2 = map(assignment_to_set, line.split(","))
-        return bool(elf1 & elf2)
-
-    return sum(map(is_overlapping, input))
-
-
-def main() -> None:
-    input = sys.stdin.read().splitlines()
-    print(solve(input))
-
-
-if __name__ == "__main__":
-    main()
diff --git a/2022/d04/ex2/input b/2022/d04/ex2/input
deleted file mode 100644
index b52da37..0000000
--- a/2022/d04/ex2/input
+++ /dev/null
@@ -1,1000 +0,0 @@
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