diff --git a/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db-autoscaling/start.py b/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db-autoscaling/start.py
index d1c6e6c..b810f5d 100644
--- a/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db-autoscaling/start.py
+++ b/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db-autoscaling/start.py
@@ -154,7 +154,6 @@ print("Running new DB instance...")
 print("------------------------------------")
 
 userDataDB = ('#!/bin/bash\n'
-              '#!/bin/bash\n'
               '# extra repo for RedHat rpms\n'
               'yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm\n'
               '# essential tools\n'
@@ -214,7 +213,6 @@ userDataWebServer = ('#!/bin/bash\n'
                      'yum install -y httpd php php-mysql\n'
                      '\n'
                      'service httpd start\n'
-                     'service httpd start\n'
                      '\n'
                      # 'wget http://mmnet.informatik.hs-fulda.de/cloudcomp/tug-of-war-in-the-clouds.tar.gz\n'
                      # 'cp tug-of-war-in-the-clouds.tar.gz /var/www/html/\n'
diff --git a/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start-and-add-new-target.py b/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start-and-add-new-target.py
index 8364043..a8d4dfe 100644
--- a/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start-and-add-new-target.py
+++ b/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start-and-add-new-target.py
@@ -59,7 +59,6 @@ userDataWebServer = ('#!/bin/bash\n'
                      'yum install -y httpd php php-mysql\n'
                      '\n'
                      'service httpd start\n'
-                     'service httpd start\n'
                      '\n'
                      # 'wget http://mmnet.informatik.hs-fulda.de/cloudcomp/tug-of-war-in-the-clouds.tar.gz\n'
                      # 'cp tug-of-war-in-the-clouds.tar.gz /var/www/html/\n'
diff --git a/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start.py b/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start.py
index 3a2ae04..f95de7a 100644
--- a/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start.py
+++ b/example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start.py
@@ -98,7 +98,6 @@ except ClientError as e:
 
 
 userDataDB = ('#!/bin/bash\n'
-              '#!/bin/bash\n'
               '# extra repo for RedHat rpms\n'
               'yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm\n'
               '# essential tools\n'
@@ -161,7 +160,6 @@ userDataWebServer = ('#!/bin/bash\n'
                      'yum install -y httpd php php-mysql\n'
                      '\n'
                      'service httpd start\n'
-                     'service httpd start\n'
                      '\n'
                      # 'wget http://mmnet.informatik.hs-fulda.de/cloudcomp/tug-of-war-in-the-clouds.tar.gz\n'
                      # 'cp tug-of-war-in-the-clouds.tar.gz /var/www/html/\n'