diff --git a/components/calendar/CMakeLists.txt b/components/calendar/CMakeLists.txt
index 5c9bc8e57..53c61725d 100644
--- a/components/calendar/CMakeLists.txt
+++ b/components/calendar/CMakeLists.txt
@@ -3,7 +3,6 @@ add_library(calendarplugin SHARED)
 target_sources(calendarplugin PRIVATE
     calendarplugin.cpp
     calendar.cpp
-    calendardata.cpp
     daysmodel.cpp
     eventdatadecorator.cpp
     eventpluginsmanager.cpp
diff --git a/components/calendar/calendardata.cpp b/components/calendar/calendardata.cpp
deleted file mode 100644
index 51d0b8014..000000000
--- a/components/calendar/calendardata.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
-    SPDX-FileCopyrightText: 2013 Mark Gaiser <markg85@gmail.com>
-
-    SPDX-License-Identifier: GPL-2.0-or-later
-*/
-
-#include "calendardata.h"
-
-CalendarData::CalendarData(QObject *parent)
-    : QObject(parent)
-    , m_types(Holiday | Event | Todo | Journal)
-{
-    //   m_etmCalendar = new ETMCalendar();
-    //   m_etmCalendar->setParent(this); //TODO: hit sergio
-
-    // EntityTreeModel *model = m_etmCalendar->entityTreeModel();
-    // model->setCollectionFetchStrategy(EntityTreeModel::InvisibleCollectionFetch);
-
-    //  m_itemList = new EntityMimeTypeFilterModel(this);
-    //  m_itemList->setSourceModel(model);
-
-    // CalendarRoleProxyModel *roleModel = new CalendarRoleProxyModel(this);
-    //  roleModel->setSourceModel(m_itemList);
-
-    //  m_filteredList = new DateTimeRangeFilterModel(this);
-    //  m_filteredList->setSourceModel(roleModel);
-
-    //   updateTypes();
-}
-
-QDate CalendarData::startDate() const
-{
-    return m_startDate;
-}
-
-void CalendarData::setStartDate(const QDate &dateTime)
-{
-    if (m_startDate == dateTime) {
-        return;
-    }
-
-    m_startDate = dateTime;
-    //   m_filteredList->setStartDate(m_startDate);
-    Q_EMIT startDateChanged();
-}
-
-QDate CalendarData::endDate() const
-{
-    return m_endDate;
-}
-
-void CalendarData::setEndDate(const QDate &dateTime)
-{
-    if (m_endDate == dateTime) {
-        return;
-    }
-
-    m_endDate = dateTime;
-    //  m_filteredList->setEndDate(m_endDate);
-    Q_EMIT endDateChanged();
-}
-
-int CalendarData::types() const
-{
-    return m_types;
-}
-
-QString CalendarData::errorMessage() const
-{
-    return QString();
-}
-
-bool CalendarData::loading() const
-{
-    return false;
-}
diff --git a/components/calendar/calendardata.h b/components/calendar/calendardata.h
deleted file mode 100644
index 756c7e6e3..000000000
--- a/components/calendar/calendardata.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-    SPDX-FileCopyrightText: 2013 Mark Gaiser <markg85@gmail.com>
-
-    SPDX-License-Identifier: GPL-2.0-or-later
-*/
-
-#ifndef CALENDARDATA_H
-#define CALENDARDATA_H
-
-#include <QDate>
-#include <QFlags>
-#include <QObject>
-
-class QAbstractItemModel;
-
-class CalendarData : public QObject
-{
-    Q_OBJECT
-
-    Q_PROPERTY(QDate startDate READ startDate WRITE setStartDate NOTIFY startDateChanged)
-    Q_PROPERTY(QDate endDate READ endDate WRITE setEndDate NOTIFY endDateChanged)
-    //  Q_PROPERTY(int types READ types WRITE setTypes NOTIFY typesChanged)
-    Q_PROPERTY(QString errorMessage READ errorMessage NOTIFY errorMessageChanged)
-    Q_PROPERTY(bool loading READ loading NOTIFY loadingChanged)
-    //  Q_PROPERTY(QAbstractItemModel* model READ model CONSTANT)
-
-public:
-    enum Type {
-        Holiday = 1,
-        Event = 2,
-        Todo = 4,
-        Journal = 8,
-    };
-    Q_ENUM(Type)
-    Q_DECLARE_FLAGS(Types, Type)
-
-    explicit CalendarData(QObject *parent = nullptr);
-
-Q_SIGNALS:
-    void startDateChanged();
-    void endDateChanged();
-    void typesChanged();
-    void errorMessageChanged();
-    void loadingChanged();
-
-private:
-    QDate startDate() const;
-    void setStartDate(const QDate &dateTime);
-    QDate endDate() const;
-    void setEndDate(const QDate &dateTime);
-    int types() const;
-    // void setTypes(int types);
-    QString errorMessage() const;
-    bool loading() const;
-    //  QAbstractItemModel* model() const;
-
-    // void updateTypes();
-
-    QDate m_startDate;
-    QDate m_endDate;
-    Types m_types;
-
-    // Akonadi::ETMCalendar *m_etmCalendar;
-    // Akonadi::EntityMimeTypeFilterModel *m_itemList;
-    // DateTimeRangeFilterModel *m_filteredList;
-};
-
-#endif // CALENDARDATA_H
diff --git a/components/calendar/calendarplugin.cpp b/components/calendar/calendarplugin.cpp
index 1694b4f66..369199498 100644
--- a/components/calendar/calendarplugin.cpp
+++ b/components/calendar/calendarplugin.cpp
@@ -6,7 +6,6 @@
 
 #include "calendarplugin.h"
 #include "calendar.h"
-#include "calendardata.h"
 #include "eventdatadecorator.h"
 #include "eventpluginsmanager.h"
 
@@ -25,7 +24,6 @@ static QObject *event_plugins_manager_provider(QQmlEngine *engine, QJSEngine *sc
 void CalendarPlugin::registerTypes(const char *uri)
 {
     Q_ASSERT(uri == QByteArray("org.kde.plasma.workspace.calendar"));
-    qmlRegisterType<CalendarData>(uri, 2, 0, "CalendarData");
     qmlRegisterType<Calendar>(uri, 2, 0, "Calendar");
     qmlRegisterAnonymousType<QAbstractItemModel>(uri, 1);
     qmlRegisterAnonymousType<QAbstractListModel>(uri, 1);