diff --git a/src/pretix/helpers/templatetags/jsonfield.py b/src/pretix/helpers/templatetags/jsonfield.py
index bb04757ab..23ba60fe4 100644
--- a/src/pretix/helpers/templatetags/jsonfield.py
+++ b/src/pretix/helpers/templatetags/jsonfield.py
@@ -5,17 +5,6 @@
 from django.db import NotSupportedError
 from django.db.models import Expression, JSONField
 
-def mysql_compile_json_path(key_transforms):
-    path = ['$']
-    for key_transform in key_transforms:
-        try:
-            num = int(key_transform)
-            path.append('[{}]'.format(num))
-        except ValueError:  # non-integer
-            path.append('.')
-            path.append(key_transform)
-    return ''.join(path)
-
 def postgres_compile_json_path(key_transforms):
     return "{" + ','.join(key_transforms) + "}"
 
@@ -41,17 +30,9 @@ def as_sql(self, compiler, connection, function=None, template=None, arg_joiner=
             params.append(json_path)
             template = '{} #> %s'.format(arg_sql)
             return template, params
-        elif '.mysql' in connection.settings_dict['ENGINE']:
-            params = []
-            arg_sql, arg_params = compiler.compile(self.source_expression)
-            params.extend(arg_params)
-            json_path = mysql_compile_json_path(self.path)
-            params.append(json_path)
-            template = 'JSON_EXTRACT({}, %s)'.format(arg_sql)
-            return template, params
         else:
             raise NotSupportedError(
-                'Functions on JSONFields are only supported on PostgreSQL and MySQL at the moment.'
+                'Functions on JSONFields are only supported on PostgreSQL.'
             )
 
     def copy(self):
diff --git a/src/setup.py b/src/setup.py
index 074102ed2..579ff0ae4 100644
--- a/src/setup.py
+++ b/src/setup.py
@@ -108,7 +108,7 @@ def run(self):
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
-        'Framework :: Django :: 3.0'
+        'Framework :: Django :: 3.2'
     ],
 
     keywords='tickets web shop ecommerce',
@@ -125,8 +125,9 @@ def run(self):
         'django-hierarkey==1.0.*,>=1.0.4',
         'django-filter==2.4.*',
         'django-scopes==1.2.*',
+        'django-localflavor==3.0.*',
         'reportlab>=3.5.65',
-        'Pillow=8.*',
+        'Pillow==8.*',
         'PyPDF2==1.26.*',
         'django-libsass==0.8',
         'libsass==0.20.*',
@@ -158,7 +159,6 @@ def run(self):
         'mt-940==3.2',
         'django-i18nfield==1.9.*,>=1.9.1',
         'psycopg2-binary',
-        'django-mysql',
         'tqdm==4.*',
         'vobject==0.9.*',
         'pycountry',
diff --git a/src/tests/api/test_items.py b/src/tests/api/test_items.py
index 6851444f0..f8fac49fe 100644
--- a/src/tests/api/test_items.py
+++ b/src/tests/api/test_items.py
@@ -718,10 +718,7 @@ def test_item_create_with_addon(token_client, organizer, event, item, category,
         format='json'
     )
     assert resp.status_code == 400
-    assert resp.content.decode() in [
-        '{"addons":["The minimum count needs to be equal to or greater than zero."]}',
-        '{"addons":[{"min_count":["Ensure this value is greater than or equal to 0."]}]}',  # mysql
-    ]
+    assert resp.content.decode() == '{"addons":["The minimum count needs to be equal to or greater than zero."]}'
     with scopes_disabled():
         assert 2 == Item.objects.all().count()