diff --git a/extensions/smallrye-context-propagation/runtime/src/main/java/io/quarkus/smallrye/context/runtime/SmallRyeContextPropagationRecorder.java b/extensions/smallrye-context-propagation/runtime/src/main/java/io/quarkus/smallrye/context/runtime/SmallRyeContextPropagationRecorder.java
index 8451084b80fdc..2c541aceada9c 100644
--- a/extensions/smallrye-context-propagation/runtime/src/main/java/io/quarkus/smallrye/context/runtime/SmallRyeContextPropagationRecorder.java
+++ b/extensions/smallrye-context-propagation/runtime/src/main/java/io/quarkus/smallrye/context/runtime/SmallRyeContextPropagationRecorder.java
@@ -56,6 +56,8 @@ public void run() {
                 contextManagerProvider.releaseContextManager(contextManager);
             }
         });
+        //Avoid leaking the classloader:
+        this.builder = null;
     }
 
     public Supplier<Object> initializeManagedExecutor(ExecutorService executorService) {