diff --git a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/ScoreList.java b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/ScoreList.java
index 02e32a813..1a1949207 100644
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/ScoreList.java
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/ScoreList.java
@@ -33,8 +33,6 @@ public abstract class ScoreList implements Iterable<Score>
 {
     protected Habit habit;
 
-    protected ModelObservable observable = new ModelObservable();
-
     public void setHabit(Habit habit)
     {
         this.habit = habit;
@@ -50,11 +48,6 @@ public abstract class ScoreList implements Iterable<Score>
      */
     public abstract void add(List<Score> scores);
 
-    public ModelObservable getObservable()
-    {
-        return observable;
-    }
-
     /**
      * Returns the value of the score for today.
      *
diff --git a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryScoreList.java b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryScoreList.java
index 688c6399e..0f7e5caca 100644
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryScoreList.java
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryScoreList.java
@@ -35,7 +35,6 @@ public class MemoryScoreList extends ScoreList
         list.addAll(scores);
         Collections.sort(list,
             (s1, s2) -> s2.getTimestamp().compareTo(s1.getTimestamp()));
-        getObservable().notifyListeners();
     }
 
     @NonNull
@@ -71,7 +70,6 @@ public class MemoryScoreList extends ScoreList
     public void recompute()
     {
         list.clear();
-        getObservable().notifyListeners();
     }
 
     @Override