diff --git a/src/Umbraco.Core/Models/ILanguage.cs b/src/Umbraco.Core/Models/ILanguage.cs
index eeacc86ef7..5af66089ca 100644
--- a/src/Umbraco.Core/Models/ILanguage.cs
+++ b/src/Umbraco.Core/Models/ILanguage.cs
@@ -55,7 +55,6 @@ public interface ILanguage : IEntity, IRememberBeingDirty
     ///         define fallback strategies when a value does not exist for a requested language.
     ///     </para>
     /// </remarks>
-    [Obsolete("This will be replaced by fallback language ISO code in V13.")]
     [DataMember]
     public string? FallbackIsoCode { get; set; }
 }