diff --git a/bricktracker/rebrickable_set.py b/bricktracker/rebrickable_set.py
index d2878d6c..fbf10f1a 100644
--- a/bricktracker/rebrickable_set.py
+++ b/bricktracker/rebrickable_set.py
@@ -11,10 +11,10 @@ from .parser import parse_set
 from .rebrickable import Rebrickable
 from .rebrickable_image import RebrickableImage
 from .record import BrickRecord
-from .theme import BrickTheme
 from .theme_list import BrickThemeList
 if TYPE_CHECKING:
     from .socket import BrickSocket
+    from .theme import BrickTheme
 
 logger = logging.getLogger(__name__)
 
@@ -66,13 +66,7 @@ class RebrickableSet(BrickRecord):
         if not hasattr(self.fields, 'theme_id'):
             self.fields.theme_id = 0
 
-        if not hasattr(self.fields, 'theme_name'):
-            self.fields.theme_name = None
-
-        self.theme = BrickThemeList().get(
-            str(self.fields.theme_id),
-            name=self.fields.theme_name
-        )
+        self.theme = BrickThemeList().get(self.fields.theme_id)
 
         # Resolve instructions
         if self.resolve_instructions:
diff --git a/bricktracker/set.py b/bricktracker/set.py
index 893acc05..fa05b0b3 100644
--- a/bricktracker/set.py
+++ b/bricktracker/set.py
@@ -1,12 +1,11 @@
 import logging
-from sqlite3 import Row
 import traceback
 from typing import Any, Self, TYPE_CHECKING
 from uuid import uuid4
 
 from flask import current_app, url_for
 
-from .exceptions import DatabaseException, ErrorException, NotFoundException
+from .exceptions import DatabaseException, NotFoundException
 from .minifigure_list import BrickMinifigureList
 from .part_list import BrickPartList
 from .rebrickable_set import RebrickableSet
@@ -122,18 +121,6 @@ class BrickSet(RebrickableSet):
 
         return True
 
-    # Ingest a set
-    def ingest(self, record: Row | dict[str, Any], /):
-        # Super charge the record with theme override
-        if 'theme' in record.keys() and record['theme'] is not None:
-            if isinstance(record, Row):
-                record = dict(record)
-
-            record['theme_id'] = record['theme']
-            record['theme_name'] = record['theme']
-
-        super().ingest(record)
-
     # A identifier for HTML component
     def html_id(self, prefix: str | None = None, /) -> str:
         components: list[str] = []
@@ -209,36 +196,6 @@ class BrickSet(RebrickableSet):
                 id=self.fields.id,
             ))
 
-    # Update theme
-    def update_theme(self, json: Any | None, /) -> None:
-        theme: str | None = json.get('value', '')  # type: ignore
-
-        # We need a string
-        try:
-            theme = str(theme)
-            theme = theme.strip()
-        except Exception:
-            raise ErrorException('"{theme}" is not a valid string'.format(
-                theme=theme
-            ))
-
-        if theme == '':
-            theme = None
-
-        self.fields.theme = theme
-
-        # Update the status
-        rows, _ = BrickSQL().execute_and_commit(
-            'set/update/theme',
-            parameters=self.sql_parameters()
-        )
-
-        if rows != 1:
-            raise DatabaseException('Could not update the theme override for set {set} ({id})'.format(  # noqa: E501
-                set=self.fields.set,
-                id=self.fields.id,
-            ))
-
     # Self url
     def url(self, /) -> str:
         return url_for('set.details', id=self.fields.id)
@@ -271,10 +228,3 @@ class BrickSet(RebrickableSet):
             'set.refresh',
             id=self.fields.id,
         )
-
-    # Compute the url for the theme override
-    def url_for_theme(self, /) -> str:
-        return url_for(
-            'set.update_theme',
-            id=self.fields.id,
-        )
diff --git a/bricktracker/sql/migrations/0007.sql b/bricktracker/sql/migrations/0007.sql
index f955bb9d..89ef71f8 100644
--- a/bricktracker/sql/migrations/0007.sql
+++ b/bricktracker/sql/migrations/0007.sql
@@ -24,7 +24,6 @@ CREATE TABLE "bricktracker_sets" (
     "id" TEXT NOT NULL,
     "set" TEXT NOT NULL,
     "description" TEXT,
-    "theme" TEXT, -- Custom theme name
     "storage" TEXT, -- Storage bin location
     "purchase_date" INTEGER, -- Purchase data
     "purchase_location" TEXT, -- Purchase location
diff --git a/bricktracker/sql/set/base/base.sql b/bricktracker/sql/set/base/base.sql
index 7bc1bc37..8b1f4c88 100644
--- a/bricktracker/sql/set/base/base.sql
+++ b/bricktracker/sql/set/base/base.sql
@@ -1,6 +1,5 @@
 SELECT
     {% block id %}{% endblock %}
-    "bricktracker_sets"."theme",
     "rebrickable_sets"."set",
     "rebrickable_sets"."number",
     "rebrickable_sets"."version",
diff --git a/bricktracker/sql/set/update/theme.sql b/bricktracker/sql/set/update/theme.sql
deleted file mode 100644
index 1d884edf..00000000
--- a/bricktracker/sql/set/update/theme.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-UPDATE "bricktracker_sets"
-SET "theme" = :theme
-WHERE "bricktracker_sets"."id" IS NOT DISTINCT FROM :id
diff --git a/bricktracker/theme.py b/bricktracker/theme.py
index df677f4d..3ee1068b 100644
--- a/bricktracker/theme.py
+++ b/bricktracker/theme.py
@@ -1,14 +1,14 @@
 # Lego set theme
 class BrickTheme(object):
-    id: str
+    id: int
     name: str
-    parent: str | None
+    parent: int | None
 
-    def __init__(self, id: str, name: str, parent: str | None = None, /):
-        self.id = id
+    def __init__(self, id: str | int, name: str, parent: str | None = None, /):
+        self.id = int(id)
         self.name = name
 
         if parent is not None and parent != '':
-            self.parent = parent
+            self.parent = int(parent)
         else:
             self.parent = None
diff --git a/bricktracker/theme_list.py b/bricktracker/theme_list.py
index af1667ed..22cac8ee 100644
--- a/bricktracker/theme_list.py
+++ b/bricktracker/theme_list.py
@@ -17,7 +17,7 @@ logger = logging.getLogger(__name__)
 
 # Lego sets themes
 class BrickThemeList(object):
-    themes: dict[str, BrickTheme]
+    themes: dict[int, BrickTheme]
     mtime: datetime | None
     size: int | None
     exception: Exception | None
@@ -57,15 +57,12 @@ class BrickThemeList(object):
                 BrickThemeList.mtime = None
 
     # Get a theme
-    def get(self, id: str, /, *, name: str | None = None) -> BrickTheme:
+    def get(self, id: int, /) -> BrickTheme:
         # Seed a fake entry if missing
         if id not in self.themes:
-            if name is None:
-                name = 'Unknown ({id})'.format(id=id)
-
             BrickThemeList.themes[id] = BrickTheme(
                 id,
-                name,
+                'Unknown ({id})'.format(id=id)
             )
 
         return self.themes[id]
diff --git a/bricktracker/views/set.py b/bricktracker/views/set.py
index 59289ff0..809d46b4 100644
--- a/bricktracker/views/set.py
+++ b/bricktracker/views/set.py
@@ -167,22 +167,3 @@ def refresh(*, id: str) -> str:
         namespace=current_app.config['SOCKET_NAMESPACE'],
         messages=MESSAGES
     )
-
-
-# Change the theme override
-@set_page.route('/<id>/theme', methods=['POST'])
-@login_required
-@exception_handler(__file__, json=True)
-def update_theme(*, id: str) -> Response:
-    brickset = BrickSet().select_light(id)
-
-    brickset.update_theme(request.json)
-
-    # Info
-    logger.info('Set {set} ({id}): theme override changed to "{theme}"'.format(  # noqa: E501
-        set=brickset.fields.set,
-        id=brickset.fields.id,
-        theme=brickset.fields.theme,
-    ))
-
-    return jsonify({'value': brickset.fields.theme})
diff --git a/templates/set/management.html b/templates/set/management.html
index b2999728..38074808 100644
--- a/templates/set/management.html
+++ b/templates/set/management.html
@@ -1,10 +1,5 @@
 {% if g.login.is_authenticated() %}
 {{ accordion.header('Management', 'management', 'set-details', expanded=true, icon='settings-4-line') }}
-    <h5>Theme override</h5>
-    <p>
-      You can override the current theme ({{ badge.theme(item.theme.name, solo=solo, last=last) }}) with any string you want.
-      {{ form.input('Theme', item.fields.id, item.html_id('theme'), item.url_for_theme(), item.fields.theme, all=all, read_only=read_only) }}
-    </p>
     <h5 class="border-bottom">Data</h5>
     <a href="{{ item.url_for_refresh() }}" class="btn btn-primary" role="button"><i class="ri-refresh-line"></i> Refresh the set data</a>
 {{ accordion.footer() }}