diff --git a/src/main.rs b/src/main.rs
index ff656a9..88376df 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -535,24 +535,8 @@ async fn run_client(mut args: std::env::Args) -> Result<()> {
     let conn_str = args.next().expect("USERNAME@HOST");
     let (username, host) = conn_str.split_once('@').expect("USERNAME@HOST");
 
-    let mut roots = rustls::RootCertStore::empty();
-    match std::fs::read("cert.der") {
-        Ok(cert) => {
-            roots.add(&rustls::Certificate(cert))?;
-        }
-        Err(ref e) if e.kind() == std::io::ErrorKind::NotFound => {
-            info!("local server certificate not found");
-        }
-        Err(e) => {
-            error!("failed to open local server certificate: {}", e);
-        }
-    }
-
-    info!("read roots");
-
     let mut client_crypto = rustls::ClientConfig::builder()
         .with_safe_defaults()
-        //.with_root_certificates(roots)
         .with_custom_certificate_verifier(Arc::new(InformedServerCertVerifier { cfg }) as _)
         .with_no_client_auth();