diff --git a/src/args/mod.rs b/src/args/mod.rs
index 2d4ef55..5f62d34 100644
--- a/src/args/mod.rs
+++ b/src/args/mod.rs
@@ -91,7 +91,6 @@ pub enum ConnType {
     H1ClearText,
     H1,
     H2,
-    H3,
 }
 
 impl From<ConnType> for ConnectionType {
@@ -100,7 +99,6 @@ impl From<ConnType> for ConnectionType {
             ConnType::H1ClearText => ConnectionType::H1 { use_tls: false },
             ConnType::H1 => ConnectionType::H1 { use_tls: true },
             ConnType::H2 => ConnectionType::H2,
-            ConnType::H3 => ConnectionType::H3,
         }
     }
 }
diff --git a/src/nq_core/connection/map.rs b/src/nq_core/connection/map.rs
index 6e6edb1..c537a43 100644
--- a/src/nq_core/connection/map.rs
+++ b/src/nq_core/connection/map.rs
@@ -47,7 +47,7 @@ impl ConnectionManager {
                 let stream = tls_connection(conn_type, &domain, &mut timing, io, time).await?;
                 start_h2_conn(remote_addr, domain, timing, stream, time, shutdown).await?
             }
-            ConnectionType::H3 => todo!(),
+            ConnectionType::H3 => todo!(), // add in ./src/args/mod.rs when implementing
         };
 
         let connection = Arc::new(RwLock::new(connection));