diff --git a/clients/src/test/java/org/apache/kafka/test/MockSelector.java b/clients/src/test/java/org/apache/kafka/test/MockSelector.java
index 2d7c1517d82c7..3560c3535aa73 100644
--- a/clients/src/test/java/org/apache/kafka/test/MockSelector.java
+++ b/clients/src/test/java/org/apache/kafka/test/MockSelector.java
@@ -83,6 +83,7 @@ public void close(String id) {
 
         removeSendsForNode(id, completedSends);
         removeSendsForNode(id, initiatedSends);
+        ready.remove(id);
 
         for (int i = 0; i < this.connected.size(); i++) {
             if (this.connected.get(i).equals(id)) {