diff --git a/Jenkinsfile b/Jenkinsfile
index a1dbcbc..41836a6 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,25 +1,21 @@
 pipeline {
     agent any
     
+    parameters {
+        string(
+            defaultValue: 'tomaszzitkiewicz',
+            description: 'Kaggle username',
+            name: 'KAGGLE_USERNAME',
+            trim: false
+        )
+        password(
+            defaultValue: '',
+            description: 'Kaggle token taken from kaggle.json file, as described in https://github.com/Kaggle/kaggle-api#api-credentials',
+            name: 'KAGGLE_KEY'
+        )
+    }
+    
     stages {
-        stage('Preparation') { 
-         properties([
-             parameters([
-                 string(
-                     defaultValue: 'tomaszzitkiewicz',
-                     description: 'Kaggle username',
-                     name: 'KAGGLE_USERNAME',
-                     trim: false
-                 ),
-                 password(
-                     defaultValue: '',
-                     description: 'Kaggle token taken from kaggle.json file, as described in https://github.com/Kaggle/kaggle-api#api-credentials',
-                     name: 'KAGGLE_KEY'
-                 )
-             ])
-         ])
-        }
-        
         stage('Clone Repository') {
             steps {
                 git 'https://git.wmi.amu.edu.pl/s464953/ium_464953.git'
@@ -38,4 +34,4 @@ pipeline {
             }
         }
     }
-}
\ No newline at end of file
+}