diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/SleepChartFragment.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/SleepChartFragment.java
index 6da15864..0e10e82a 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/SleepChartFragment.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/SleepChartFragment.java
@@ -64,7 +64,6 @@ public class SleepChartFragment extends AbstractChartFragment {
         List<Integer> colors = new ArrayList<>();
         int index = 0;
         for (ActivityAmount amount : amounts.getAmounts()) {
-            long value = amount.getTotalSeconds();
             entries.add(new Entry(amount.getTotalSeconds(), index++));
             colors.add(getColorFor(amount.getActivityKind()));
             data.addXValue(amount.getName(getActivity()));
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/ActivityAmount.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/ActivityAmount.java
index 7726be44..b2be2d40 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/ActivityAmount.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/ActivityAmount.java
@@ -2,6 +2,8 @@ package nodomain.freeyourgadget.gadgetbridge.model;
 
 import android.content.Context;
 
+import nodomain.freeyourgadget.gadgetbridge.R;
+
 public class ActivityAmount {
     private int activityKind;
     private short percent;
@@ -34,10 +36,10 @@ public class ActivityAmount {
     public String getName(Context context) {
         switch (activityKind) {
             case ActivityKind.TYPE_DEEP_SLEEP:
-                return "Deep Sleep";
+                return context.getString(R.string.abstract_chart_fragment_kind_deep_sleep);
             case ActivityKind.TYPE_LIGHT_SLEEP:
-                return "Light Sleep";
+                return context.getString(R.string.abstract_chart_fragment_kind_light_sleep);
         }
-        return "Activity";
+        return context.getString(R.string.abstract_chart_fragment_kind_activity);
     }
 }