diff --git a/easytier/src/common/global_ctx.rs b/easytier/src/common/global_ctx.rs
index a3cf4e5a..6ec31632 100644
--- a/easytier/src/common/global_ctx.rs
+++ b/easytier/src/common/global_ctx.rs
@@ -712,7 +712,6 @@ impl DnsGlobalCtxExt for GlobalCtx {
                 .filter(|z| z.policy.export.as_ref().is_some_and(|f| !f.disabled)) // TODO: check policies of parent zones
                 .map(Into::into)
                 .collect(),
-            fqdn: self.config.get_dns().get_fqdn().to_string(),
         }
     }
 
diff --git a/easytier/src/dns/peer_mgr.rs b/easytier/src/dns/peer_mgr.rs
index 5a59394e..94930c51 100644
--- a/easytier/src/dns/peer_mgr.rs
+++ b/easytier/src/dns/peer_mgr.rs
@@ -235,7 +235,6 @@ mod tests {
     fn dns_peer_info_try_from_valid_config() {
         let cfg = DnsExportConfig {
             zones: vec![valid_zone_data("valid.peer.test", "10.0.0.10")],
-            fqdn: "valid.peer.test".to_string(),
         };
 
         let info = DnsPeerInfo::try_from(cfg).expect("valid export config should pass");
@@ -254,7 +253,6 @@ mod tests {
                 forwarders: vec![],
                 fallthrough: false,
             }],
-            fqdn: "invalid.peer.test".to_string(),
         };
 
         assert!(DnsPeerInfo::try_from(cfg).is_err());
diff --git a/easytier/src/proto/dns.proto b/easytier/src/proto/dns.proto
index a2dbcff7..213e8901 100644
--- a/easytier/src/proto/dns.proto
+++ b/easytier/src/proto/dns.proto
@@ -17,7 +17,6 @@ message GetExportConfigRequest {}
 
 message GetExportConfigResponse {
   repeated ZoneData zones = 1;
-  string fqdn = 2;
 }
 
 service DnsPeerMgrRpc {