diff --git a/pom.xml b/pom.xml
index 8ee8415..f4d6377 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.rub.nds</groupId>
         <artifactId>protocol-toolkit-bom</artifactId>
-        <version>4.1.1</version>
+        <version>4.4.0</version>
     </parent>
 
     <artifactId>crawler-core</artifactId>
diff --git a/src/main/java/de/rub/nds/crawler/orchestration/RabbitMqOrchestrationProvider.java b/src/main/java/de/rub/nds/crawler/orchestration/RabbitMqOrchestrationProvider.java
index 03c3821..9f9e144 100644
--- a/src/main/java/de/rub/nds/crawler/orchestration/RabbitMqOrchestrationProvider.java
+++ b/src/main/java/de/rub/nds/crawler/orchestration/RabbitMqOrchestrationProvider.java
@@ -45,8 +45,6 @@ public class RabbitMqOrchestrationProvider implements IOrchestrationProvider {
 
     static {
         // set TTLs such that queues are deleted if no consumer is registered
-        // https://www.rabbitmq.com/ttl.html#queue-ttl
-        SCAN_JOB_QUEUE_PROPERTIES.put("x-expires", 1000 * 60 * 60);
         DONE_NOTIFY_QUEUE_PROPERTIES.put("x-expires", 1000 * 60 * 5);
     }