diff --git a/osu.Framework/Extensions/ObjectExtensions/ObjectExtensions.cs b/osu.Framework/Extensions/ObjectExtensions/ObjectExtensions.cs
index 795abccfa0..3bf2f21cfa 100644
--- a/osu.Framework/Extensions/ObjectExtensions/ObjectExtensions.cs
+++ b/osu.Framework/Extensions/ObjectExtensions/ObjectExtensions.cs
@@ -19,11 +19,8 @@ public static class ObjectExtensions
         /// <param name="obj">The nullable object.</param>
         /// <typeparam name="T">The type of the object.</typeparam>
         /// <returns>The non-nullable object corresponding to <paramref name="obj"/>.</returns>
-        public static T AsNonNull<T>(this T? obj)
-            where T : class
-        {
-            return obj!;
-        }
+        [return: NotNullIfNotNull("obj")]
+        public static T AsNonNull<T>(this T? obj) => obj!;
 
         /// <summary>
         /// If the given object is null.