diff --git a/src/server/host.rs b/src/server/host.rs
index 2144404..ebfa526 100644
--- a/src/server/host.rs
+++ b/src/server/host.rs
@@ -84,7 +84,6 @@ impl IntoResponse for SignKeyError {
 struct SignKeyRequest {
     hostname: String,
     pubkey: Vec<u8>,
-    aliases: Vec<String>,
 }
 
 pub(super) async fn sign_host_cert(
@@ -100,7 +99,6 @@ pub(super) async fn sign_host_cert(
             Some("pubkey") => {
                 body.pubkey = field.bytes().await?.into();
             }
-            Some("alias") => body.aliases.push(field.text().await?),
             Some("hostname") => body.hostname = field.text().await?,
             Some(n) => {
                 warn!("Client request included unsupported field {:?}", n);
@@ -111,7 +109,6 @@ pub(super) async fn sign_host_cert(
     if body.pubkey.is_empty() {
         return Err(SignKeyError::NoKey);
     }
-    let aliases: Vec<_> = body.aliases.iter().map(String::as_ref).collect();
 
     let config = &ctx.config;
     let duration = Duration::from_secs(config.ca.host.cert_duration);
@@ -140,7 +137,7 @@ pub(super) async fn sign_host_cert(
         hostname
     );
     let cert =
-        ca::sign_cert(&hostname, &pubkey, duration, &privkey, &aliases)?;
+        ca::sign_cert(&hostname, &pubkey, duration, &privkey, &[])?;
     info!(
         "Signed {} key for {}",
         pubkey.algorithm().as_str(),