diff --git a/korgac/koalarmclient.cpp b/korgac/koalarmclient.cpp
index 0dabd82fcfae829af2358ebda4118a82d317c580..d868dfcc9eda1acaca8d9739835c9c0fc082448c 100644
--- a/korgac/koalarmclient.cpp
+++ b/korgac/koalarmclient.cpp
@@ -196,7 +196,7 @@ void KOAlarmClient::checkAlarms()
         return;
     }
 
-    QDateTime from = mLastChecked.addSecs(1);
+    const QDateTime from = mLastChecked.addSecs(1);
     mLastChecked = QDateTime::currentDateTime();
 
     qCDebug(KOALARMCLIENT_LOG) << "Check:" << from.toString() << " -" << mLastChecked.toString();
diff --git a/src/actionmanager.cpp b/src/actionmanager.cpp
index 91b6fe51a87a0fe27b0408c1929831577ffe0dd3..69c584022eadcff39221ef9b1dcb0c13d1d15cac 100644
--- a/src/actionmanager.cpp
+++ b/src/actionmanager.cpp
@@ -78,10 +78,6 @@ KOWindowList *ActionManager::mWindowList = nullptr;
 
 ActionManager::ActionManager(KXMLGUIClient *client, CalendarView *widget, QObject *parent, KOrg::MainWindow *mainWindow, bool isPart, QMenuBar *menuBar)
     : QObject(parent)
-    , mCollectionViewShowAction(nullptr)
-    , mCollectionView(nullptr)
-    , mCollectionViewStateSaver(nullptr)
-    , mCollectionSelectionModelStateSaver(nullptr)
 {
     new KOrgCalendarAdaptor(this);
     QDBusConnection::sessionBus().registerObject(QStringLiteral("/Calendar"), this);
@@ -90,7 +86,6 @@ ActionManager::ActionManager(KXMLGUIClient *client, CalendarView *widget, QObjec
     mACollection = mGUIClient->actionCollection();
     mCalendarView = widget;
     mIsPart = isPart;
-    mTempFile = nullptr;
     mMainWindow = mainWindow;
     mMenuBar = menuBar;
 }
diff --git a/src/calendarview.cpp b/src/calendarview.cpp
index 853deb767203d38063021096c7d5c2c345142d94..a6c995062669dc220ecba7c002c046071736d954 100644
--- a/src/calendarview.cpp
+++ b/src/calendarview.cpp
@@ -84,8 +84,6 @@
 
 CalendarView::CalendarView(QWidget *parent)
     : CalendarViewBase(parent)
-    , mCheckableProxyModel(nullptr)
-    , mETMCollectionView(nullptr)
     , mSearchCollectionHelper(this)
 {
     Akonadi::ControlGui::widgetNeedsAkonadi(this);
diff --git a/src/datechecker.cpp b/src/datechecker.cpp
index 4b3046f06c623daefc514ec2b3650f86e5947210..cc936f5714070bef58fa751edda9efc3e633461a 100644
--- a/src/datechecker.cpp
+++ b/src/datechecker.cpp
@@ -13,7 +13,6 @@
 
 DateChecker::DateChecker(QObject *parent)
     : QObject(parent)
-    , mUpdateTimer(nullptr)
 {
     enableRollover(FollowMonth);
 }
diff --git a/src/kodialogmanager.cpp b/src/kodialogmanager.cpp
index 74a6199c46b1cb5502542bb98dc61714604cfdf9..e96f6df5b89ece1166643fe319d8c0a3464b72a2 100644
--- a/src/kodialogmanager.cpp
+++ b/src/kodialogmanager.cpp
@@ -54,11 +54,6 @@ KODialogManager::KODialogManager(CalendarView *mainView)
     : QObject()
     , mMainView(mainView)
 {
-    mOptionsDialog = nullptr;
-    mSearchDialog = nullptr;
-    mArchiveDialog = nullptr;
-    mFilterEditDialog = nullptr;
-    mCategoryEditDialog = nullptr;
 }
 
 KODialogManager::~KODialogManager()
diff --git a/src/koeventview.cpp b/src/koeventview.cpp
index a4e3bce701c27941b37f6b3c290b7ef698585941..949d99c64b824040ec397d5085484c03ff569053 100644
--- a/src/koeventview.cpp
+++ b/src/koeventview.cpp
@@ -26,9 +26,6 @@
 KOEventView::KOEventView(QWidget *parent)
     : KOrg::BaseView(parent)
 {
-    mTypeAhead = false;
-    mTypeAheadReceiver = nullptr;
-
     //AKONADI_PORT review: the FocusLineEdit in the editor emits focusReceivedSignal(),
     //which triggered finishTypeAhead. But the global focus widget in QApplication is
     //changed later, thus subsequent keyevents still went to this view, triggering
diff --git a/src/koeventview.h b/src/koeventview.h
index 82f4051dac9579944104b949991f7d527c6ca6cd..a24292baa581e8d01f97aadd39d4923dea97acc2 100644
--- a/src/koeventview.h
+++ b/src/koeventview.h
@@ -152,7 +152,7 @@ private:
 
 private:
 
-    bool mTypeAhead;
+    bool mTypeAhead = false;
     QObject *mTypeAheadReceiver = nullptr;
     QList<QEvent *> mTypeAheadEvents;
 };
diff --git a/src/koviewmanager.cpp b/src/koviewmanager.cpp
index 654954736b381a5aacab7fd0d886aa5e96f5fb83..2f5078fbc9d250812c22e1af64cfeccb62061321 100644
--- a/src/koviewmanager.cpp
+++ b/src/koviewmanager.cpp
@@ -36,19 +36,6 @@ KOViewManager::KOViewManager(CalendarView *mainView)
     : QObject()
     , mMainView(mainView)
 {
-    mCurrentView = nullptr;
-    mLastEventView = nullptr;
-    mWhatsNextView = nullptr;
-    mTodoView = nullptr;
-    mAgendaView = nullptr;
-    mAgendaSideBySideView = nullptr;
-    mListView = nullptr;
-    mJournalView = nullptr;
-    mTimelineView = nullptr;
-    mAgendaViewTabs = nullptr;
-    mAgendaViewTabIndex = 0;
-    mMonthView = nullptr;
-    mRangeMode = NO_RANGE;
 }
 
 KOViewManager::~KOViewManager()
diff --git a/src/koviewmanager.h b/src/koviewmanager.h
index dbf0ac7f65e0b6549e30588d8476929f716c3e4a..03b01bb5ef4d2ce9681fd764c22aba2027fec5c6 100644
--- a/src/koviewmanager.h
+++ b/src/koviewmanager.h
@@ -183,9 +183,9 @@ private:
 
     KOrg::BaseView *mLastEventView = nullptr;
     QTabWidget *mAgendaViewTabs = nullptr;
-    int mAgendaViewTabIndex;
+    int mAgendaViewTabIndex = 0;
 
-    RangeMode mRangeMode;
+    RangeMode mRangeMode = NO_RANGE;
 };
 
 #endif