diff --git a/iroh-net/src/relay/iroh_relay.rs b/iroh-net/src/relay/iroh_relay.rs
index 128a37ec10..b3b25a45ad 100644
--- a/iroh-net/src/relay/iroh_relay.rs
+++ b/iroh-net/src/relay/iroh_relay.rs
@@ -55,7 +55,7 @@ fn body_empty() -> BytesBody {
 }
 
 /// Configuration for the full Relay & STUN server.
-#[derive(Debug)]
+#[derive(Debug, Default)]
 pub struct ServerConfig<EC: fmt::Debug, EA: fmt::Debug = EC> {
     /// Configuration for the DERP server, disabled if `None`.
     pub relay: Option<RelayConfig<EC, EA>>,
@@ -66,35 +66,6 @@ pub struct ServerConfig<EC: fmt::Debug, EA: fmt::Debug = EC> {
     pub metrics_addr: Option<SocketAddr>,
 }
 
-impl<EC: fmt::Debug, EA: fmt::Debug> ServerConfig<EC, EA> {
-    /// Creates a new config.
-    pub fn new() -> Self {
-        Self {
-            relay: None,
-            stun: None,
-            metrics_addr: None,
-        }
-    }
-
-    /// Validates the config for internal consistency.
-    pub fn validate(&self) -> Result<()> {
-        // todo: check all bind addrs are different.  Though if done correctly the server
-        // will just fail to start and show an approriate error, so maybe we shouldn't be
-        // validating at all.
-        if self.relay.is_none() && self.stun.is_none() {
-            bail!("neither DERP nor STUN server configured");
-        }
-        if let Some(derp) = &self.relay {
-            if let Some(tls) = &derp.tls {
-                if derp.http_bind_addr == tls.https_bind_addr {
-                    bail!("derp port conflicts with captive portal port");
-                }
-            }
-        }
-        Ok(())
-    }
-}
-
 /// Configuration for the Relay HTTP and HTTPS server.
 ///
 /// This includes the HTTP services hosted by the Relay server, the Relay `/derp` HTTP
@@ -205,7 +176,6 @@ impl Server {
         EC: fmt::Debug + 'static,
         EA: fmt::Debug + 'static,
     {
-        config.validate()?;
         let mut tasks = JoinSet::new();
 
         #[cfg(feature = "metrics")]
diff --git a/iroh-net/src/test_utils.rs b/iroh-net/src/test_utils.rs
index 45b73d963c..3a2cd3c56f 100644
--- a/iroh-net/src/test_utils.rs
+++ b/iroh-net/src/test_utils.rs
@@ -58,7 +58,7 @@ pub async fn run_relay_server() -> Result<(RelayMap, RelayUrl, crate::relay::iro
     let server = crate::relay::iroh_relay::Server::spawn(config)
         .await
         .unwrap();
-    let url: RelayUrl = format!("https://localhost:{}", server.https_addr().unwrap())
+    let url: RelayUrl = format!("https://localhost:{}", server.https_addr().unwrap().port())
         .parse()
         .unwrap();
     let m = RelayMap::from_nodes([RelayNode {