diff --git a/app/src/main/java/de/apps4ics/mountainnavigation/SeekBarPreference.java b/app/src/main/java/de/apps4ics/mountainnavigation/SeekBarPreference.java
index 916666e..66d1a94 100644
--- a/app/src/main/java/de/apps4ics/mountainnavigation/SeekBarPreference.java
+++ b/app/src/main/java/de/apps4ics/mountainnavigation/SeekBarPreference.java
@@ -36,7 +36,6 @@
     private int minValue;
     private int currentValue;
     private int defaultStart;
-    private String title;
     private String text;
 
     private SeekBar seekBar;
@@ -44,11 +43,7 @@
 
     private final static int DEFAULT_MAX_VALUE = 100;
     private final static int DEFAULT_MIN_VALUE = 0;
-    private final static String TEXT = "text";
-    private final static String MAX = "max";
-    private final static String MIN = "min";
     private final static String DEFAULT_VALUE = "defaultValue";
-    private final static String DIALOG_MESSAGE = "dialogMessage";
     private static final String AND_NAMESPACE = "http://schemas.android.com/apk/res/android";
 
     public SeekBarPreference(Context context) {