diff --git a/execution/run_uc1-new.sh b/execution/run_uc1-new.sh
index c827ba7a5b58e86c6fca813f72235e2e2f808a01..0edb75d002861393ce9a4b1b59c21e5871c651eb 100755
--- a/execution/run_uc1-new.sh
+++ b/execution/run_uc1-new.sh
@@ -21,8 +21,6 @@ echo "EXECUTION_MINUTES: $EXECUTION_MINUTES"
 # Create Topics
 #PARTITIONS=40
 #kubectl run temp-kafka --rm --attach --restart=Never --image=solsson/kafka --command -- bash -c "./bin/kafka-topics.sh --zookeeper my-confluent-cp-zookeeper:2181 --create --topic input --partitions $PARTITIONS --replication-factor 1; ./bin/kafka-topics.sh --zookeeper my-confluent-cp-zookeeper:2181 --create --topic configuration --partitions 1 --replication-factor 1; ./bin/kafka-topics.sh --zookeeper my-confluent-cp-zookeeper:2181 --create --topic output --partitions $PARTITIONS --replication-factor 1"
-echo "Print topics:"
-kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n '/^titan-.*/p;/^input$/p;/^output$/p;/^configuration$/p'
 PARTITIONS=$PARTITIONS
 kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --create --topic input --partitions $PARTITIONS --replication-factor 1; kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --create --topic configuration --partitions 1 --replication-factor 1; kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --create --topic output --partitions $PARTITIONS --replication-factor 1"
 
@@ -71,7 +69,7 @@ echo "Finished execution, print topics:"
 #kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p'
 while test $(kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p' | wc -l) -gt 0
 do
-    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input,output,configuration,titan-.*'"
+    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|titan-.*'"
     echo "Wait for topic deletion"
     sleep 5s
     #echo "Finished waiting, print topics:"
diff --git a/execution/run_uc2-new.sh b/execution/run_uc2-new.sh
index 2f7eeddbf076d7ec74d128633caa264da9ad9922..503c4ffa0d1f7f4d785eb0fb1743fc305fc0732f 100755
--- a/execution/run_uc2-new.sh
+++ b/execution/run_uc2-new.sh
@@ -62,7 +62,7 @@ echo "Finished execution, print topics:"
 #kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p'
 while test $(kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p' | wc -l) -gt 0
 do
-    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input,output,configuration,titan-.*'"
+    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|titan-.*'"
     echo "Wait for topic deletion"
     sleep 5s
     #echo "Finished waiting, print topics:"
diff --git a/execution/run_uc3-new.sh b/execution/run_uc3-new.sh
index e8c892aef52c8ef70ac738ea11850c2a18b2d867..b8c7c20a1600ecf9c78ef3743ae46fb47ae04c17 100755
--- a/execution/run_uc3-new.sh
+++ b/execution/run_uc3-new.sh
@@ -70,7 +70,7 @@ echo "Finished execution, print topics:"
 #kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p'
 while test $(kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p' | wc -l) -gt 0
 do
-    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input,output,configuration,titan-.*'"
+    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|titan-.*'"
     echo "Wait for topic deletion"
     sleep 5s
     #echo "Finished waiting, print topics:"
diff --git a/execution/run_uc4-new.sh b/execution/run_uc4-new.sh
index 24e03e58cccfd2134d8c25803e7e98ad197f9fcb..ee3aaae98f151ef22088608ee970d3f8d66989e1 100755
--- a/execution/run_uc4-new.sh
+++ b/execution/run_uc4-new.sh
@@ -65,7 +65,7 @@ echo "Finished execution, print topics:"
 #kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p'
 while test $(kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p' | wc -l) -gt 0
 do
-    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input,output,configuration,titan-.*'"
+    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|titan-.*'"
     echo "Wait for topic deletion"
     sleep 5s
     #echo "Finished waiting, print topics:"