diff --git a/src/runtime2/inbox.rs b/src/runtime2/inbox.rs
index 1c952c4c4c63f30f108ca3580e208026d69be1a1..d3d822a5121b0856daf4a64968aec3ec3b579487 100644
--- a/src/runtime2/inbox.rs
+++ b/src/runtime2/inbox.rs
@@ -6,7 +6,6 @@ use crate::runtime2::consensus::{ComponentPresence, SolutionCombiner};
 use crate::runtime2::port::ChannelId;
 
 use super::ConnectorId;
-use super::branch::BranchId;
 use super::consensus::{GlobalSolution, LocalSolution};
 use super::port::PortIdLocal;
 
@@ -232,4 +231,9 @@ impl PublicInbox {
         let lock = self.messages.lock().unwrap();
         return lock.is_empty();
     }
+
+    pub fn clear(&self) {
+        let mut lock = self.messages.lock().unwrap();
+        lock.clear();
+    }
 }
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