diff --git a/src/runtime2/component/component_context.rs b/src/runtime2/component/component_context.rs
index b2c3435d5606f217b687597005aec6e3b4e3a262..3a72bdffe37e35420b89c72d12824a8a517d5ea1 100644
--- a/src/runtime2/component/component_context.rs
+++ b/src/runtime2/component/component_context.rs
@@ -29,6 +29,7 @@ pub enum PortStateFlag {
     Closed = 0x01, // If not closed, then the port is open
     BlockedDueToPeerChange = 0x02, // busy changing peers, hence use of port is temporarily blocked
     BlockedDueToFullBuffers = 0x04,
+    Transmitted, // Transmitted, so cannot be used anymore
 }
 
 #[derive(Copy, Clone)]
@@ -307,11 +308,6 @@ impl CompCtx {
     // Local utilities
     // -------------------------------------------------------------------------
 
-    #[inline]
-    fn requires_peer_reference(port: &Port, self_id: CompId, required_if_closed: bool) -> bool {
-        return (!port.state.is_closed() || required_if_closed) && port.peer_comp_id != self_id;
-    }
-
     fn must_get_port_index(&self, handle: LocalPortHandle) -> usize {
         for (index, port) in self.ports.iter().enumerate() {
             if port.self_id == handle.0 {