diff --git a/src/documents/__init__.py b/src/documents/__init__.py
index dd8c76d19..861c45185 100644
--- a/src/documents/__init__.py
+++ b/src/documents/__init__.py
@@ -1,5 +1,4 @@
 # this is here so that django finds the checks.
-from documents.checks import changed_password_check
 from documents.checks import parser_check
 
-__all__ = ["changed_password_check", "parser_check"]
+__all__ = ["parser_check"]
diff --git a/src/documents/migrations/1003_mime_types.py b/src/documents/migrations/1003_mime_types.py
index 4c7ddb492..10cf4f635 100644
--- a/src/documents/migrations/1003_mime_types.py
+++ b/src/documents/migrations/1003_mime_types.py
@@ -1,51 +1,8 @@
 # Generated by Django 3.1.3 on 2020-11-20 11:21
-from pathlib import Path
 
-import magic
-from django.conf import settings
 from django.db import migrations
 from django.db import models
 
-from paperless.db import GnuPG
-
-STORAGE_TYPE_UNENCRYPTED = "unencrypted"
-STORAGE_TYPE_GPG = "gpg"
-
-
-def source_path(self) -> Path:
-    if self.filename:
-        fname: str = str(self.filename)
-    else:
-        fname = f"{self.pk:07}.{self.file_type}"
-        if self.storage_type == STORAGE_TYPE_GPG:
-            fname += ".gpg"
-
-    return Path(settings.ORIGINALS_DIR) / fname
-
-
-def add_mime_types(apps, schema_editor):
-    Document = apps.get_model("documents", "Document")
-    documents = Document.objects.all()
-
-    for d in documents:
-        with Path(source_path(d)).open("rb") as f:
-            if d.storage_type == STORAGE_TYPE_GPG:
-                data = GnuPG.decrypted(f)
-            else:
-                data = f.read(1024)
-
-        d.mime_type = magic.from_buffer(data, mime=True)
-        d.save()
-
-
-def add_file_extensions(apps, schema_editor):
-    Document = apps.get_model("documents", "Document")
-    documents = Document.objects.all()
-
-    for d in documents:
-        d.file_type = Path(d.filename).suffix.lstrip(".")
-        d.save()
-
 
 class Migration(migrations.Migration):
     dependencies = [
@@ -59,7 +16,7 @@ class Migration(migrations.Migration):
             field=models.CharField(default="-", editable=False, max_length=256),
             preserve_default=False,
         ),
-        migrations.RunPython(add_mime_types, migrations.RunPython.noop),
+        migrations.RunPython(migrations.RunPython.noop, migrations.RunPython.noop),
         # This operation is here so that we can revert the entire migration:
         # By allowing this field to be blank and null, we can revert the
         # remove operation further down and the database won't complain about
@@ -84,7 +41,7 @@ class Migration(migrations.Migration):
                 blank=True,
             ),
         ),
-        migrations.RunPython(migrations.RunPython.noop, add_file_extensions),
+        migrations.RunPython(migrations.RunPython.noop, migrations.RunPython.noop),
         migrations.RemoveField(
             model_name="document",
             name="file_type",
diff --git a/src/documents/migrations/1077_remove_document_storage_type.py b/src/documents/migrations/1077_remove_document_storage_type.py
new file mode 100644
index 000000000..c74367e9f
--- /dev/null
+++ b/src/documents/migrations/1077_remove_document_storage_type.py
@@ -0,0 +1,16 @@
+# Generated by Django 5.2.9 on 2026-01-21 22:16
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("documents", "1076_alter_paperlesstask_task_name"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="document",
+            name="storage_type",
+        ),
+    ]