diff --git a/v2rayN/ServiceLib/Models/CoreConfigs/V2rayConfig.cs b/v2rayN/ServiceLib/Models/CoreConfigs/V2rayConfig.cs
index 3c8541eb..b63eff76 100644
--- a/v2rayN/ServiceLib/Models/CoreConfigs/V2rayConfig.cs
+++ b/v2rayN/ServiceLib/Models/CoreConfigs/V2rayConfig.cs
@@ -286,7 +286,6 @@ public class BalancersItem4Ray
     public List<string>? selector { get; set; }
     public BalancersStrategy4Ray? strategy { get; set; }
     public string? tag { get; set; }
-    public string? fallbackTag { get; set; }
 }
 
 public class BalancersStrategy4Ray
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayBalancerService.cs b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayBalancerService.cs
index 8e64dd73..2fb2025d 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayBalancerService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayBalancerService.cs
@@ -109,7 +109,6 @@ public partial class CoreConfigV2rayService
                     : null,
             },
             tag = balancerTag,
-            fallbackTag = _coreConfig.outbounds?.FirstOrDefault(o => o.tag.StartsWith(selector))?.tag,
         };
         _coreConfig.routing.balancers ??= [];
         _coreConfig.routing.balancers.Add(balancer);