diff --git a/Lombiq.BaseTheme/Controllers/AdminController.cs b/Lombiq.BaseTheme/Controllers/AdminController.cs
index 45bcb12..195b256 100644
--- a/Lombiq.BaseTheme/Controllers/AdminController.cs
+++ b/Lombiq.BaseTheme/Controllers/AdminController.cs
@@ -16,7 +16,6 @@
 using System.Collections.Generic;
 using System.Text.Json;
 using System.Text.Json.Nodes;
-using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 
 namespace Lombiq.BaseTheme.Controllers;