diff --git a/rsocket-core/src/main/java/io/rsocket/core/ClientServerInputMultiplexer.java b/rsocket-core/src/main/java/io/rsocket/core/ClientServerInputMultiplexer.java
index 6ec5b8a8d..8f764000a 100644
--- a/rsocket-core/src/main/java/io/rsocket/core/ClientServerInputMultiplexer.java
+++ b/rsocket-core/src/main/java/io/rsocket/core/ClientServerInputMultiplexer.java
@@ -331,16 +331,7 @@ public double availability() {
 
     @Override
     public String toString() {
-      return "InternalDuplexConnection{"
-          + "clientServerInputMultiplexer="
-          + clientServerInputMultiplexer
-          + ", source="
-          + source
-          + ", state="
-          + state
-          + ", actual="
-          + actual
-          + '}';
+      return "InternalDuplexConnection{" + ", source=" + source + ", state=" + state + '}';
     }
   }
 }