diff --git a/Jenkinsfile b/Jenkinsfile
index 6fd7eef..933b188 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -8,12 +8,7 @@ pipeline {
         }
         stage('Checkout') {
             steps {
-                script {
-                    git credentialsId: 's444498', url: 'https://git.wmi.amu.edu.pl/s444498/ium_444498.git'
-                    sh "ls -lart ./*"
-                    sh "git branch -a"
-                    sh "git checkout master"
-                }
+                git 'https://git.wmi.amu.edu.pl/s444498/ium_444498.git'
             }
         }
     }