diff --git a/neqo-transport/src/connection/state.rs b/neqo-transport/src/connection/state.rs
index 9f8f2d4f5c..e76f937938 100644
--- a/neqo-transport/src/connection/state.rs
+++ b/neqo-transport/src/connection/state.rs
@@ -212,10 +212,6 @@ pub enum StateSignaling {
 impl StateSignaling {
     pub fn handshake_done(&mut self) {
         if !matches!(self, Self::Idle) {
-            debug_assert!(
-                false,
-                "StateSignaling must be in Idle state but is in {self:?} state.",
-            );
             return;
         }
         *self = Self::HandshakeDone;