diff --git a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/StreakList.java b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/StreakList.java
index fa8c4b741..66ae0da27 100644
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/StreakList.java
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/StreakList.java
@@ -30,18 +30,24 @@ import java.util.*;
  * <p>
  * This list is populated automatically from the list of repetitions.
  */
-public abstract class StreakList
+public class StreakList
 {
     protected Habit habit;
 
     protected ModelObservable observable = new ModelObservable();
 
+    ArrayList<Streak> list = new ArrayList<>();
+
     public void setHabit(Habit habit)
     {
         this.habit = habit;
     }
 
-    public abstract List<Streak> getAll();
+    public List<Streak> getAll()
+    {
+        rebuild();
+        return new LinkedList<>(list);
+    }
 
     @NonNull
     public List<Streak> getBest(int limit)
@@ -54,7 +60,17 @@ public abstract class StreakList
     }
 
     @Nullable
-    public abstract Streak getNewestComputed();
+    public Streak getNewestComputed()
+    {
+        Streak newest = null;
+
+        for (Streak s : list)
+            if (newest == null || s.getEnd().isNewerThan(newest.getEnd()))
+                newest = s;
+
+        return newest;
+
+    }
 
     @NonNull
     public ModelObservable getObservable()
@@ -62,7 +78,11 @@ public abstract class StreakList
         return observable;
     }
 
-    public abstract void recompute();
+    public void recompute()
+    {
+        list.clear();
+        observable.notifyListeners();
+    }
 
     public synchronized void rebuild()
     {
@@ -146,7 +166,18 @@ public abstract class StreakList
         return list;
     }
 
-    protected abstract void add(@NonNull List<Streak> streaks);
+    protected void add(@NonNull List<Streak> streaks)
+    {
+        list.addAll(streaks);
+        Collections.sort(list, (s1, s2) -> s2.compareNewer(s1));
+        observable.notifyListeners();
+
+    }
+
+    protected void removeNewestComputed()
+    {
+        Streak newest = getNewestComputed();
+        if (newest != null) list.remove(newest);
 
-    protected abstract void removeNewestComputed();
+    }
 }
diff --git a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryModelFactory.kt b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryModelFactory.kt
index 2bb27c489..f74fa95c9 100644
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryModelFactory.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryModelFactory.kt
@@ -25,7 +25,7 @@ class MemoryModelFactory : ModelFactory {
     override fun buildOriginalEntries() = EntryList()
     override fun buildHabitList() = MemoryHabitList()
     override fun buildScoreList() = ScoreList()
-    override fun buildStreakList() = MemoryStreakList()
+    override fun buildStreakList() = StreakList()
     override fun buildHabitListRepository() = throw NotImplementedError()
     override fun buildRepetitionListRepository() = throw NotImplementedError()
 }
\ No newline at end of file
diff --git a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryStreakList.java b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryStreakList.java
deleted file mode 100644
index fc3dede25..000000000
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/memory/MemoryStreakList.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
- *
- * This file is part of Loop Habit Tracker.
- *
- * Loop Habit Tracker is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
- *
- * Loop Habit Tracker is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.isoron.uhabits.core.models.memory;
-
-import androidx.annotation.*;
-
-import org.isoron.uhabits.core.models.*;
-
-import java.util.*;
-
-public class MemoryStreakList extends StreakList
-{
-    ArrayList<Streak> list = new ArrayList<>();
-
-    @Override
-    public Streak getNewestComputed()
-    {
-        Streak newest = null;
-
-        for (Streak s : list)
-            if (newest == null || s.getEnd().isNewerThan(newest.getEnd()))
-                newest = s;
-
-        return newest;
-    }
-
-    @Override
-    public void recompute()
-    {
-        list.clear();
-        observable.notifyListeners();
-    }
-
-    @Override
-    protected void add(@NonNull List<Streak> streaks)
-    {
-        list.addAll(streaks);
-        Collections.sort(list, (s1, s2) -> s2.compareNewer(s1));
-        observable.notifyListeners();
-    }
-
-    @Override
-    protected void removeNewestComputed()
-    {
-        Streak newest = getNewestComputed();
-        if (newest != null) list.remove(newest);
-    }
-
-    @Override
-    public List<Streak> getAll()
-    {
-        rebuild();
-        return new LinkedList<>(list);
-    }
-}
diff --git a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/sqlite/SQLModelFactory.kt b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/sqlite/SQLModelFactory.kt
index 537b6938a..3e8f94a64 100644
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/sqlite/SQLModelFactory.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/sqlite/SQLModelFactory.kt
@@ -22,7 +22,6 @@ package org.isoron.uhabits.core.models.sqlite
 
 import org.isoron.uhabits.core.database.*
 import org.isoron.uhabits.core.models.*
-import org.isoron.uhabits.core.models.memory.*
 import org.isoron.uhabits.core.models.sqlite.records.*
 import javax.inject.*
 
@@ -37,7 +36,7 @@ class SQLModelFactory
     override fun buildComputedEntries() = EntryList()
     override fun buildHabitList() = SQLiteHabitList(this)
     override fun buildScoreList() = ScoreList()
-    override fun buildStreakList() = MemoryStreakList()
+    override fun buildStreakList() = StreakList()
 
     override fun buildHabitListRepository() =
             Repository(HabitRecord::class.java, database)