diff --git a/web/core/normalize_subjects.py b/web/core/normalize_subjects.py
deleted file mode 100644
index 3fd2253..0000000
--- a/web/core/normalize_subjects.py
+++ /dev/null
@@ -1,47 +0,0 @@
-from django.core.management.base import BaseCommand
-from core.models import Entry
-
-class Command(BaseCommand):
-    help = "Normalize subjects (split by commas, unify delimiters like ; and -)"
-
-    def add_arguments(self, parser):
-        parser.add_argument(
-            "--dry-run",
-            action="store_true",
-            help="Preview changes without saving"
-        )
-
-    def handle(self, *args, **options):
-        dry_run = options["dry_run"]
-        changes = 0
-
-        for entry in Entry.objects.all():
-            subj = entry.subject or ""
-            normalized = self.normalize_subjects(subj)
-
-            if subj != normalized:
-                changes += 1
-                self.stdout.write(
-                    f"Would change: {subj} → {normalized}"
-                )
-                if not dry_run:
-                    entry.subject = normalized
-                    entry.save(update_fields=["subject"])
-
-        if dry_run:
-            self.stdout.write(self.style.WARNING(f"[DRY RUN] {changes} subjects would be changed."))
-        else:
-            self.stdout.write(self.style.SUCCESS(f"Updated {changes} subjects."))
-
-    def normalize_subjects(self, text: str) -> str:
-        if not text:
-            return ""
-
-        # Unify delimiters into commas
-        cleaned = text.replace(";", ",").replace("|", ",").replace("/", ",").replace(" - ", ",").replace("-", ",")
-
-        # Split, strip spaces, remove empties
-        parts = [p.strip() for p in cleaned.split(",") if p.strip()]
-
-        # Rejoin with a standard ", " separator
-        return ", ".join(parts)
\ No newline at end of file