diff --git a/app/src/main/java/org/secuso/privacyfriendlytodolist/model/ModelServices.kt b/app/src/main/java/org/secuso/privacyfriendlytodolist/model/ModelServices.kt
index 5f849945..db50f76e 100644
--- a/app/src/main/java/org/secuso/privacyfriendlytodolist/model/ModelServices.kt
+++ b/app/src/main/java/org/secuso/privacyfriendlytodolist/model/ModelServices.kt
@@ -139,6 +139,15 @@ class ModelServices(
         }
     }
 
+    fun setAllDoneTasksInRecycleBin(deliveryOption: DeliveryOption = DeliveryOption.POST,
+                                    resultConsumer: ResultConsumer<Pair<Int, Int>>? = null): Job {
+        return coroutineScope.launch(Dispatchers.IO) {
+            val counter = services.setAllDoneTasksInRecycleBin()
+            dispatchResult(deliveryOption, resultConsumer, counter)
+            notifyDataChanged(0, counter.first, counter.second)
+        }
+    }
+
     fun setTaskAndSubtasksInRecycleBin(todoTask: TodoTask,
                                        inRecycleBin: Boolean,
                                        deliveryOption: DeliveryOption = DeliveryOption.POST,
diff --git a/app/src/main/java/org/secuso/privacyfriendlytodolist/model/database/dao/TodoTaskDao.kt b/app/src/main/java/org/secuso/privacyfriendlytodolist/model/database/dao/TodoTaskDao.kt
index b8390fe6..0dc2080c 100644
--- a/app/src/main/java/org/secuso/privacyfriendlytodolist/model/database/dao/TodoTaskDao.kt
+++ b/app/src/main/java/org/secuso/privacyfriendlytodolist/model/database/dao/TodoTaskDao.kt
@@ -72,6 +72,9 @@ interface TodoTaskDao {
             " ORDER BY todoLists.sortOrder ASC, todoTasks.sortOrder ASC")
     suspend fun getOverdueTasks(now: Long): Array<TodoTaskData>
 
+    @Query("SELECT * FROM todoTasks WHERE isInRecycleBin = 0 AND doneTime IS NOT NULL")
+    suspend fun getAllDoneNotInRecycleBin(): Array<TodoTaskData>
+
     @Query("SELECT todoTasks.* FROM todoTasks" +
             " LEFT JOIN todoLists" +
             " ON todoTasks.listId = todoLists.id" +
diff --git a/app/src/main/java/org/secuso/privacyfriendlytodolist/model/impl/ModelServicesImpl.kt b/app/src/main/java/org/secuso/privacyfriendlytodolist/model/impl/ModelServicesImpl.kt
index a288ec15..213f1935 100644
--- a/app/src/main/java/org/secuso/privacyfriendlytodolist/model/impl/ModelServicesImpl.kt
+++ b/app/src/main/java/org/secuso/privacyfriendlytodolist/model/impl/ModelServicesImpl.kt
@@ -126,6 +126,20 @@ class ModelServicesImpl(private val context: Context) {
         return counter
     }
 
+    suspend fun setAllDoneTasksInRecycleBin(): Pair<Int, Int> {
+        val dataArray = getDB().getTodoTaskDao().getAllDoneNotInRecycleBin()
+        val tasks = loadTasksSubtasks(false, *dataArray)
+        var counterTasks = 0
+        var counterSubtasks = 0
+        for (task in tasks) {
+            val counters = setTaskAndSubtasksInRecycleBin(task, true)
+            counterTasks += counters.first
+            counterSubtasks += counters.second
+        }
+        Log.i(TAG, "$counterTasks task and $counterSubtasks subtasks put into recycle bin.")
+        return Pair(counterTasks, counterSubtasks)
+    }
+
     suspend fun setTaskAndSubtasksInRecycleBin(todoTask: TodoTask, inRecycleBin: Boolean): Pair<Int, Int> {
         var counterSubtasks = 0
         for (subtask in todoTask.getSubtasks()) {
diff --git a/app/src/main/java/org/secuso/privacyfriendlytodolist/view/MainActivity.kt b/app/src/main/java/org/secuso/privacyfriendlytodolist/view/MainActivity.kt
index 9fe19eb1..f6dc259e 100644
--- a/app/src/main/java/org/secuso/privacyfriendlytodolist/view/MainActivity.kt
+++ b/app/src/main/java/org/secuso/privacyfriendlytodolist/view/MainActivity.kt
@@ -429,6 +429,17 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
         navigationView = findViewById(R.id.nav_view)
         navigationView!!.setNavigationItemSelectedListener(this)
 
+        val navMenu = navigationView!!.menu
+        val btnAllTasks = navMenu.findItem(R.id.menu_home)
+        btnAllTasks.setActionView(R.layout.nav_action_view)
+        val actionButton: ImageButton = btnAllTasks.actionView!!.findViewById(R.id.action_button)
+        actionButton.tag = ACT_BTN_ALL_TASKS
+        actionButton.setOnClickListener {
+            registerForContextMenu(actionButton)
+            openContextMenu(actionButton)
+            unregisterForContextMenu(actionButton)
+        }
+
         addTodoListsToNavigationMenu()
 
         var tasksGetDisplayed = false
@@ -539,7 +550,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
                         deleteAllDataBeforeImport = false
                         importTasksLauncher.launch(intent)
                     }
-                    setNeutralButton(R.string.abort) { _, _ ->
+                    setNeutralButton(R.string.cancel) { _, _ ->
                     }
                     show()
                 }
@@ -641,7 +652,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
                 val item = navMenu.add(R.id.menu_group_todo_lists, entry.key, 1, entry.value)
                 item.isCheckable = true
                 item.setIcon(R.drawable.ic_label_black_24dp)
-                item.setActionView(R.layout.list_action_view)
+                item.setActionView(R.layout.nav_action_view)
                 val actionButton: ImageButton = item.actionView!!.findViewById(R.id.action_button)
                 actionButton.tag = entry.key
                 actionButton.setOnClickListener {
@@ -794,6 +805,10 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
             if (pomodoroInstalled) {
                 menu.findItem(workItemId).setVisible(true)
             }
+        } else if (v.tag == ACT_BTN_ALL_TASKS) {
+            val menuHeader = Helper.getMenuHeader(layoutInflater, v.rootView, R.string.select_option)
+            menu.setHeaderView(menuHeader)
+            menuInflater.inflate(R.menu.all_tasks_context, menu)
         // Check for to-do lists in main menu.
         } else if (v.tag is Int) {
             selectedTodoListId = v.tag as Int
@@ -807,6 +822,26 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
 
     override fun onContextItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
+            R.id.remove_all_done_tasks -> {
+                MaterialAlertDialogBuilder(this).apply {
+                    setMessage(R.string.alert_done_tasks_remove)
+                    setCancelable(true)
+                    setPositiveButton(R.string.yes) { dialog, setId ->
+                        model!!.setAllDoneTasksInRecycleBin { counters ->
+                            val msg = getString(R.string.tasks_removed, counters.first, counters.second)
+                            Toast.makeText(baseContext, msg, Toast.LENGTH_SHORT).show()
+                            if (counters.first > 0) {
+                                showTasksOfListOrAllTasks(activeListId)
+                            }
+                        }
+                    }
+                    setNegativeButton(R.string.cancel) { dialog, id ->
+                        dialog.cancel()
+                    }
+                    show()
+                }
+            }
+
             R.id.move_up_list -> {
                 moveList(true)
             }
@@ -852,7 +887,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
                 }
             }
 
-            R.id.delete_task -> {
+            R.id.remove_task -> {
                 val todoTask = contextMenuTodoTask
                 if (null != todoTask) {
                     val snackBar = Snackbar.make(fabNewTodoTask!!, R.string.task_removed, Snackbar.LENGTH_LONG)
@@ -862,7 +897,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
                                 showTasksOfListOrAllTasks(activeListId)
                                 showHints()
                             } else {
-                                Log.w(TAG, "Task was not removed from the database.")
+                                Log.e(TAG, "Task was not restored from recycle bin.")
                             }
                         }
                     }
@@ -873,7 +908,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
                             showHints()
                             snackBar.show()
                         } else {
-                            Log.w(TAG, "Task was not removed from the database.")
+                            Log.e(TAG, "Task was not moved to recycle bin.")
                         }
                     }
                 }
@@ -991,7 +1026,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
             MaterialAlertDialogBuilder(this).apply {
                 setMessage(R.string.alert_list_delete)
                 setCancelable(true)
-                setPositiveButton(R.string.alert_delete_yes) { dialog, setId ->
+                setPositiveButton(R.string.yes) { dialog, setId ->
                     model!!.deleteTodoList(todoList.getId()) { counter ->
                         if (counter.first > 0) {
                             Log.i(TAG, "List '${todoList.getName()}' with ID ${todoList.getId()} deleted.")
@@ -1009,7 +1044,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
                         dialog.cancel()
                     }
                 }
-                setNegativeButton(R.string.alert_delete_no) { dialog, id ->
+                setNegativeButton(R.string.cancel) { dialog, id ->
                     dialog.cancel()
                 }
                 show()
@@ -1138,6 +1173,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
         const val COMMAND = "command"
         //const val COMMAND_RUN_TODO = 2
         const val COMMAND_UPDATE = 3
+        const val ACT_BTN_ALL_TASKS = "ACT_BTN_ALL_TASKS"
 
         // Keys
         private const val KEY_IS_UNLOCKED = "restore_is_unlocked_key_with_savedinstancestate"
diff --git a/app/src/main/res/layout/list_action_view.xml b/app/src/main/res/layout/nav_action_view.xml
similarity index 89%
rename from app/src/main/res/layout/list_action_view.xml
rename to app/src/main/res/layout/nav_action_view.xml
index 8512cae4..d62a2a27 100644
--- a/app/src/main/res/layout/list_action_view.xml
+++ b/app/src/main/res/layout/nav_action_view.xml
@@ -9,7 +9,6 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center_vertical"
-        android:contentDescription="@string/edit_todo_list"
         app:srcCompat="@drawable/ic_menu_black_24dp" />
 
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/all_tasks_context.xml b/app/src/main/res/menu/all_tasks_context.xml
new file mode 100644
index 00000000..1479d426
--- /dev/null
+++ b/app/src/main/res/menu/all_tasks_context.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/remove_all_done_tasks"
+        android:title="@string/remove_all_done_tasks" />
+</menu>
\ No newline at end of file
diff --git a/app/src/main/res/menu/todo_task_context.xml b/app/src/main/res/menu/todo_task_context.xml
index f691bc78..f713a47a 100644
--- a/app/src/main/res/menu/todo_task_context.xml
+++ b/app/src/main/res/menu/todo_task_context.xml
@@ -7,8 +7,8 @@
         android:id="@+id/share_task"
         android:title="@string/share_task" />
     <item
-        android:id="@+id/delete_task"
-        android:title="@string/delete_task" />
+        android:id="@+id/remove_task"
+        android:title="@string/remove_task" />
     <item
         android:id="@+id/work_task"
         android:title="@string/work_task"
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index a954954b..ded318c6 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -11,6 +11,7 @@
     <string name="todos">To-Do\'s</string>
     <string name="home">Alle Aufgaben</string>
     <string name="show_all_tasks">Alle Aufgaben</string>
+    <string name="remove_all_done_tasks">Alle erledigten Aufgaben entfernen</string>
     <string name="calendar_view">Kalenderansicht</string>
     <string name="settings">Einstellungen</string>
     <string name="share_all_tasks">Daten teilen</string>
@@ -27,7 +28,7 @@
     <string name="name">Name</string>
     <string name="description_hint">Beschreibung</string>
     <string name="ok">Okay</string>
-    <string name="delete">Löschen</string>
+    <string name="cancel">Abbrechen</string>
 
     <!-- Common model strings -->
     <string name="select_option">Auswählen</string>
@@ -111,8 +112,9 @@
     <string name="no_deadline">Kein Termin</string>
     <string name="edit_task">Aufgabe bearbeiten</string>
     <string name="share_task">Aufgabe teilen</string>
-    <string name="delete_task">Aufgabe löschen</string>
-    <string name="task_removed">Aufgabe ist im Papierkorb</string>
+    <string name="remove_task">Aufgabe entfernen</string>
+    <string name="task_removed">Aufgabe wurde entfernt</string>
+    <string name="tasks_removed">%d Aufgabe(n) und %d Unteraufgabe(n) entfernt.</string>
     <string name="deadline">Termin</string>
     <string name="recurrence_every">Wiederholung alle</string>
     <string name="recurrence_interval_hint">1..n</string>
@@ -285,13 +287,11 @@
     <string name="import_question_text">Sollen alle existierenden Daten (alle To-Do Listen, Aufgaben und Unteraufgaben) vor dem Import gelöscht werden?</string>
     <string name="delete_existing_data">Existierende Daten löschen</string>
     <string name="keep_existing_data">Existierende Daten beibehalten</string>
-    <string name="abort">Abbrechen</string>
 
     <!-- ### Delete AlertDialog ### -->
-    <string name="alert_list_delete">Wollen Sie die Liste wirklich löschen?</string>
+    <string name="alert_list_delete">Die Liste wirklich löschen?</string>
+    <string name="alert_done_tasks_remove">Die erledigten Aufgaben wirklich entfernen?</string>
     <string name="alert_clear">Wirklich leeren?</string>
-    <string name="alert_delete_yes">Löschen</string>
-    <string name="alert_delete_no">Abbrechen</string>
 
     <!-- ### WIDGET ### -->
     <string name="add_widget">Widget hinzufügen</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 2e874687..3d3d9f6e 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -78,7 +78,7 @@
     <string name="deadline_dd">Fecha límite:</string>
     <string name="no_deadline">No hay ninguna fecha límite</string>
     <string name="edit_task">Editar la tarea</string>
-    <string name="delete_task">Eliminar la tarea</string>
+    <string name="remove_task">Eliminar la tarea</string>
     <string name="task_removed">Tarea eliminada</string>
     <string name="deadline">Facha límite</string>
     <string name="reminder">Alarma</string>
@@ -161,7 +161,6 @@
     <string name="help_group_widget">Widget</string>
     <string name="recurrence_pattern_hint">Patrón de repetición</string>
     <string name="set_deadline_if_recurring">Una tarea que se repite necesita una fecha límite.</string>
-    <string name="delete">Borrar</string>
     <string name="help_data_backup">Puede utilizar la aplicación independiente Privacy Friendly Backup para realizar copias de seguridad y restaurar los datos y la configuración de esta aplicación. También se puede utilizar para transferir los datos a otro dispositivo.</string>
     <string name="help_widget">Además, esta aplicación proporciona un widget que puedes añadir a tu pantalla de inicio. El widget te presenta las tareas que pertenecen a una lista elegida. Al hacer clic en una tarea se accede a la vista principal de la aplicación. El botón de sincronización puede actualizar la lista de tareas mostradas.</string>
     <string name="edit_list">Editar la lista</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index a344c6be..aed0aa09 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -87,7 +87,7 @@
     <string name="deadline_dd">Date limite:</string>
     <string name="no_deadline">Aucune date limite</string>
     <string name="edit_task">Editer la tâche</string>
-    <string name="delete_task">Supprimer la tâche</string>
+    <string name="remove_task">Supprimer la tâche</string>
     <string name="task_removed">La tâche a été supprimée.</string>
     <string name="deadline">Date limite</string>
     <string name="reminder">Alarme</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 762d102a..5ad69914 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -87,7 +87,7 @@
     <string name="deadline_dd">期限:</string>
     <string name="no_deadline">期限なし</string>
     <string name="edit_task">タスクを編集</string>
-    <string name="delete_task">タスクを削除</string>
+    <string name="remove_task">タスクを削除</string>
     <string name="task_removed">タスクを削除しました。</string>
     <string name="deadline">期限</string>
     <string name="reminder">リマインダー</string>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index 4456632d..07cf273b 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -87,7 +87,7 @@
     <string name="deadline_dd">Deadline:</string>
     <string name="no_deadline">Geen Deadline</string>
     <string name="edit_task">Bewerk taak</string>
-    <string name="delete_task">Verwijder taak</string>
+    <string name="remove_task">Verwijder taak</string>
     <string name="task_removed">Taak is verwijderd.</string>
     <string name="deadline">Deadline</string>
     <string name="reminder">Herinnering</string>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 8fe999c3..17b9323d 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -87,7 +87,7 @@
     <string name="deadline_dd">Termin:</string>
     <string name="no_deadline">Brak terminu</string>
     <string name="edit_task">Edytuj zadanie</string>
-    <string name="delete_task">Usuń zadanie</string>
+    <string name="remove_task">Usuń zadanie</string>
     <string name="task_removed">Zadanie zostało usunięte.</string>
     <string name="deadline">Termin</string>
     <string name="reminder">Alarm</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1ce6359b..f40fe079 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -11,6 +11,7 @@
     <string name="todos">To-Do\'s</string>
     <string name="home">All tasks</string>
     <string name="show_all_tasks">Show all tasks</string>
+    <string name="remove_all_done_tasks">Remove all done tasks</string>
     <string name="calendar_view">Calendar</string>
     <string name="settings">Settings</string>
     <string name="share_all_tasks">Share data</string>
@@ -27,7 +28,7 @@
     <string name="name">Name</string>
     <string name="description_hint">Description</string>
     <string name="ok">Okay</string>
-    <string name="delete">Delete</string>
+    <string name="cancel">Cancel</string>
 
     <!-- Common model strings -->
     <string name="select_option">Select option</string>
@@ -115,8 +116,9 @@
     <string name="no_deadline">No Deadline</string>
     <string name="edit_task">Edit task</string>
     <string name="share_task">Share task</string>
-    <string name="delete_task">Delete task</string>
-    <string name="task_removed">Task put into recycle bin</string>
+    <string name="remove_task">Remove task</string>
+    <string name="task_removed">Task successfully removed.</string>
+    <string name="tasks_removed">%d task(s) and %d subtask(s) removed.</string>
     <string name="deadline">Deadline</string>
     <string name="recurrence_every">Recurrence every</string>
     <string name="recurrence_interval_hint">1..n</string>
@@ -309,13 +311,11 @@
     <string name="import_question_text">Delete all existing data (all To-Do lists, tasks and subtasks) before importing new data?</string>
     <string name="delete_existing_data">Delete existing data</string>
     <string name="keep_existing_data">Keep existing data</string>
-    <string name="abort">Abort</string>
 
     <!-- ### Delete AlertDialog ### -->
     <string name="alert_list_delete">Really delete this list?</string>
+    <string name="alert_done_tasks_remove">Really remove all done tasks?</string>
     <string name="alert_clear">Really clear?</string>
-    <string name="alert_delete_yes">Delete</string>
-    <string name="alert_delete_no">Cancel</string>
 
     <!-- ### WIDGET ### -->
     <string name="add_widget">Add widget</string>