diff --git a/src/akonadi/akonadistoragesettings.h b/src/akonadi/akonadistoragesettings.h
--- a/src/akonadi/akonadistoragesettings.h
+++ b/src/akonadi/akonadistoragesettings.h
@@ -39,17 +39,14 @@
 public:
     static StorageSettings &instance();
     
-    Akonadi::Collection::List activeCollections();
     Akonadi::Collection defaultNoteCollection();
     Akonadi::Collection defaultTaskCollection();
 
 public slots:
-    void setActiveCollections(const Akonadi::Collection::List &collections);
     void setDefaultNoteCollection(const Akonadi::Collection &collection);
     void setDefaultTaskCollection(const Akonadi::Collection &collection);
 
 signals:
-    void activeCollectionsChanged(const Akonadi::Collection::List &collections);
     void defaultNoteCollectionChanged(const Akonadi::Collection &collection);
     void defaultTaskCollectionChanged(const Akonadi::Collection &collection);
 };
diff --git a/src/akonadi/akonadistoragesettings.cpp b/src/akonadi/akonadistoragesettings.cpp
--- a/src/akonadi/akonadistoragesettings.cpp
+++ b/src/akonadi/akonadistoragesettings.cpp
@@ -39,18 +39,6 @@
     return i;
 }
 
-Collection::List StorageSettings::activeCollections()
-{
-    KConfigGroup config(KSharedConfig::openConfig(), "General");
-    QList<Collection::Id> ids = config.readEntry("activeCollections", QList<Collection::Id>());
-    Collection::List list;
-    list.reserve(ids.size());
-    foreach (const auto &id, ids) {
-        list << Collection(id);
-    }
-    return list;
-}
-
 Collection StorageSettings::defaultNoteCollection()
 {
     KConfigGroup config(KSharedConfig::openConfig(), "General");
@@ -86,19 +74,3 @@
     config.sync();
     emit defaultTaskCollectionChanged(collection);
 }
-
-void StorageSettings::setActiveCollections(const Collection::List &collections)
-{
-    if (activeCollections() == collections)
-        return;
-
-    QList<Collection::Id> ids;
-    for (const auto &col : collections) {
-        ids << col.id();
-    }
-
-    KConfigGroup config(KSharedConfig::openConfig(), "General");
-    config.writeEntry("activeCollections", ids);
-    config.sync();
-    emit activeCollectionsChanged(collections);
-}
diff --git a/tests/units/akonadi/akonadistoragesettingstest.cpp b/tests/units/akonadi/akonadistoragesettingstest.cpp
--- a/tests/units/akonadi/akonadistoragesettingstest.cpp
+++ b/tests/units/akonadi/akonadistoragesettingstest.cpp
@@ -81,12 +81,10 @@
             // WHEN
             g.writeEntry("defaultCollection", i);
             g.writeEntry("defaultNoteCollection", i + 1);
-            g.writeEntry("activeCollections", idList(i + 2));
 
             // THEN
             QCOMPARE(StorageSettings::instance().defaultTaskCollection(), Collection(i));
             QCOMPARE(StorageSettings::instance().defaultNoteCollection(), Collection(i + 1));
-            QCOMPARE(StorageSettings::instance().activeCollections(), colList(i + 2));
         }
     }
 
@@ -100,12 +98,10 @@
             // WHEN
             StorageSettings::instance().setDefaultTaskCollection(Collection(i));
             StorageSettings::instance().setDefaultNoteCollection(Collection(i + 1));
-            StorageSettings::instance().setActiveCollections(colList(i + 2));
 
             // THEN
             QCOMPARE(g.readEntry("defaultCollection", -1), i);
             QCOMPARE(g.readEntry("defaultNoteCollection", -1), i + 1);
-            QCOMPARE(g.readEntry("activeCollections", QList<Akonadi::Collection::Id>()), idList(i + 2));
         }
     }
 
@@ -144,24 +140,6 @@
         settings.setDefaultNoteCollection(Collection(4));
         QCOMPARE(spy.count(), 0);
     }
-
-    void shouldNotifyActiveCollectionsChanges()
-    {
-        StorageSettings &settings = StorageSettings::instance();
-        QSignalSpy spy(&settings, &Akonadi::StorageSettings::activeCollectionsChanged);
-        settings.setActiveCollections(colList(2));
-        QCOMPARE(spy.count(), 1);
-        QCOMPARE(spy.first().first().value<Akonadi::Collection::List>(), colList(2));
-    }
-
-    void shouldNotNotifyIdenticalActiveCollectionsChanges()
-    {
-        StorageSettings &settings = StorageSettings::instance();
-        settings.setActiveCollections(colList(4));
-        QSignalSpy spy(&settings, &Akonadi::StorageSettings::activeCollectionsChanged);
-        settings.setActiveCollections(colList(4));
-        QCOMPARE(spy.count(), 0);
-    }
 };
 
 ZANSHIN_TEST_MAIN(AkonadiStorageSettingsTest)