diff --git a/src/runtime2/messages.rs b/src/runtime2/messages.rs
index 8949314f4d03424c8098df0893a138866003ceb9..e0273ef5ad58790624546ec061fce56770775e6a 100644
--- a/src/runtime2/messages.rs
+++ b/src/runtime2/messages.rs
@@ -2,7 +2,6 @@ use std::collections::hash_map::Entry;
 use std::collections::HashMap;
 
 use crate::PortId;
-use crate::protocol::*;
 use crate::protocol::eval::*;
 
 /// A message residing in a connector's inbox (waiting to be put into some kind