diff --git a/tests/admin_inlines/admin.py b/tests/admin_inlines/admin.py
index 578142d192..3b018aa5d7 100644
--- a/tests/admin_inlines/admin.py
+++ b/tests/admin_inlines/admin.py
@@ -145,7 +145,6 @@ class PhotographerAdmin(admin.ModelAdmin):
         ),
     ]
     inlines = [
-        PhotoTabularInline,
         PhotoTabularInline,
         PhotoStackedExtra2Inline,
         PhotoStackedExtra3Inline,