diff --git a/src/protocols/singbox/common/base.rs b/src/protocols/singbox/common/base.rs
index a4b9185..ad216ad 100644
--- a/src/protocols/singbox/common/base.rs
+++ b/src/protocols/singbox/common/base.rs
@@ -103,6 +103,12 @@ pub struct ListenParams {
     udp_fragment: Option<bool>,
     udp_timeout: Option<String>,
     detour: Option<String>,
+    // deprecated since 1.11.0 — kept for backward-compat deserialization of old configs
+    sniff: Option<bool>,
+    sniff_override_destination: Option<bool>,
+    sniff_timeout: Option<String>,
+    domain_strategy: Option<Strategy>,
+    udp_disable_domain_unmapping: Option<bool>,
 }
 
 #[skip_serializing_none]
diff --git a/src/protocols/singbox/default_template.rs b/src/protocols/singbox/default_template.rs
index 4924561..756bc53 100644
--- a/src/protocols/singbox/default_template.rs
+++ b/src/protocols/singbox/default_template.rs
@@ -35,10 +35,7 @@ pub fn generate() -> String {
                 "mtu": 9000,
                 "stack": "mixed",
                 "auto_route": true,
-                "strict_route": true,
-                "sniff": true,
-                "sniff_override_destination": true,
-                "endpoint_independent_nat": true
+                "strict_route": true
             }
         ],
         "outbounds": [