diff --git a/theodolite-benchmarks/definitions/uc4-hazelcastjet/resources/uc4-hazelcastjet-deployment.yaml b/theodolite-benchmarks/definitions/uc4-hazelcastjet/resources/uc4-hazelcastjet-deployment.yaml
index 980ab44a2f5673d33e489efa4bf4c95a90981949..06fabde838022e17faceef6df30fe7bfd6198e66 100644
--- a/theodolite-benchmarks/definitions/uc4-hazelcastjet/resources/uc4-hazelcastjet-deployment.yaml
+++ b/theodolite-benchmarks/definitions/uc4-hazelcastjet/resources/uc4-hazelcastjet-deployment.yaml
@@ -21,8 +21,6 @@ spec:
               value: "theodolite-kafka-kafka-bootstrap:9092"
             - name: SCHEMA_REGISTRY_URL
               value: "http://theodolite-kafka-schema-registry:8081"
-            - name: WINDOW_SIZE
-              value: "5000"
             #- name: KUBERNETES_DNS_NAME
             #  value: "titan-ccp-aggregation"
             - name: KUBERNETES_NAMESPACE
diff --git a/theodolite-benchmarks/docker-test/uc4-hazelcastjet/docker-compose.yml b/theodolite-benchmarks/docker-test/uc4-hazelcastjet/docker-compose.yml
index ca6f3c85fe670e53bafd6a56e568cad9166ae501..ef95b07ee5dcaf47f0738d2a6e018c7347d944bb 100644
--- a/theodolite-benchmarks/docker-test/uc4-hazelcastjet/docker-compose.yml
+++ b/theodolite-benchmarks/docker-test/uc4-hazelcastjet/docker-compose.yml
@@ -50,7 +50,6 @@ services:
       BOOTSTRAP_SERVER: benchmark:5701
       KAFKA_BOOTSTRAP_SERVERS: kafka:9092
       SCHEMA_REGISTRY_URL: http://schema-registry:8081
-      WINDOW_SIZE_UC4: 5000
   load-generator: 
     image: ghcr.io/cau-se/theodolite-uc4-workload-generator:${THEODOLITE_TAG:-latest}
     depends_on: