diff --git a/wear/src/main/java/info/nightscout/androidaps/interaction/utils/VersionPreference.java b/wear/src/main/java/info/nightscout/androidaps/interaction/utils/VersionPreference.java
deleted file mode 100644
index a190b7e65a..0000000000
--- a/wear/src/main/java/info/nightscout/androidaps/interaction/utils/VersionPreference.java
+++ /dev/null
@@ -1,30 +0,0 @@
-package info.nightscout.androidaps.interaction.utils;
-
-import android.content.Context;
-
-import androidx.annotation.NonNull;
-import android.util.AttributeSet;
-import android.widget.Toast;
-
-import info.nightscout.androidaps.BuildConfig;
-import preference.WearListPreference;
-
-/**
- * Created by adrian on 07/08/17.
- */
-
-public class VersionPreference extends WearListPreference {
-    public VersionPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        entries = new CharSequence[]{BuildConfig.BUILDVERSION};
-        entryValues = new CharSequence[]{BuildConfig.BUILDVERSION};
-    }
-
-    @Override public CharSequence getSummary(@NonNull final Context context) {
-       return BuildConfig.BUILDVERSION;
-    }
-    @Override
-    public void onPreferenceClick(@NonNull Context context) {
-        Toast.makeText(context, "Build version:" + BuildConfig.BUILDVERSION, Toast.LENGTH_LONG).show();
-    }
-}
diff --git a/wear/src/main/java/info/nightscout/androidaps/interaction/utils/VersionPreference.kt b/wear/src/main/java/info/nightscout/androidaps/interaction/utils/VersionPreference.kt
new file mode 100644
index 0000000000..9f5ce4968c
--- /dev/null
+++ b/wear/src/main/java/info/nightscout/androidaps/interaction/utils/VersionPreference.kt
@@ -0,0 +1,26 @@
+package info.nightscout.androidaps.interaction.utils
+
+import android.content.Context
+import android.util.AttributeSet
+import preference.WearListPreference
+import android.widget.Toast
+import info.nightscout.androidaps.BuildConfig
+
+/**
+ * Created by adrian on 07/08/17.
+ */
+class VersionPreference(context: Context?, attrs: AttributeSet?) : WearListPreference(context, attrs) {
+
+    override fun getSummary(context: Context): CharSequence {
+        return BuildConfig.BUILDVERSION
+    }
+
+    override fun onPreferenceClick(context: Context) {
+        Toast.makeText(context, "Build version:" + BuildConfig.BUILDVERSION, Toast.LENGTH_LONG).show()
+    }
+
+    init {
+        entries = arrayOf<CharSequence>(BuildConfig.BUILDVERSION)
+        entryValues = arrayOf<CharSequence>(BuildConfig.BUILDVERSION)
+    }
+}
\ No newline at end of file