diff --git a/scripts/update-stubtest-allowlist.py b/scripts/update-stubtest-allowlist.py
deleted file mode 100755
index 0d9c44e6c..000000000
--- a/scripts/update-stubtest-allowlist.py
+++ /dev/null
@@ -1,59 +0,0 @@
-#!/usr/bin/env python3
-
-# This script removes lines from stubtest allowlists, according to
-# an input file. The input file has one entry to remove per line.
-# Each line consists of a allowlist filename and an entry, separated
-# by a colon.
-
-# This script is used by the workflow to remove unused allowlist entries.
-
-import sys
-from collections import defaultdict
-from typing import Dict, List, Set, Tuple
-
-
-def main() -> None:
-    if len(sys.argv) != 2:
-        print(f"Usage: {sys.argv[0]} FILENAME", file=sys.stderr)
-        sys.exit(1)
-
-    to_remove = parse_input_file(sys.argv[1])
-    for filename, entries in to_remove.items():
-        remove_entries_from_allowlist(filename, entries)
-
-
-def parse_input_file(input_file: str) -> Dict[str, Set[str]]:
-    to_remove = defaultdict(set)
-    with open(input_file) as f:
-        for filename, wl_entry in [parse_input_line(li) for li in f if li.strip()]:
-            to_remove[filename].add(wl_entry)
-    return to_remove
-
-
-# Returns a (filename, entry) tuple.
-def parse_input_line(line: str) -> Tuple[str, str]:
-    line = line.strip()
-    filename, entry = line.split(":", maxsplit=1)
-    return filename, entry
-
-
-def remove_entries_from_allowlist(filename: str, entries: Set[str]) -> None:
-    new_lines: List[str] = []
-    with open(filename) as f:
-        for line in f:
-            entry = line.split("#")[0].strip()
-            if entry in entries:
-                entries.remove(entry)
-            else:
-                new_lines.append(line)
-    if entries:
-        print(f"WARNING: The following entries were not found in '{filename}':", file=sys.stderr)
-        for entry in entries:
-            print(f"  * {entry}")
-    with open(filename, "w") as f:
-        for line in new_lines:
-            f.write(line)
-
-
-if __name__ == "__main__":
-    main()