Remove unneeded includes

src/collection/collectionquery.cpp

@@ -29,7 +29,6 @@
 #include <QVariant>
 #include <QString>
 #include <QStringList>
-#include <QRegularExpression>
 #include <QSqlDatabase>
 
 #include "core/sqlquery.h"

src/collection/collectionquery.h

@@ -24,7 +24,6 @@
 
 #include "config.h"
 
-#include <QMetaType>
 #include <QVariant>
 #include <QString>
 #include <QStringList>

src/collection/collectiontask.h

@@ -20,7 +20,7 @@
 #ifndef COLLECTIONTASK_H
 #define COLLECTIONTASK_H
 
-#include <QtGlobal>
+#include <QtClassHelperMacros>
 #include <QString>
 
 #include "core/shared_ptr.h"

src/collection/collectionview.cpp

@@ -25,7 +25,6 @@
 #include <memory>
 
 #include <QtGlobal>
-#include <QWidget>
 #include <QAbstractItemView>
 #include <QTreeView>
 #include <QItemSelectionModel>
@@ -46,7 +45,10 @@
 #include <QAction>
 #include <QMessageBox>
 #include <QSettings>
-#include <QtEvents>
+#include <QPaintEvent>
+#include <QMouseEvent>
+#include <QKeyEvent>
+#include <QContextMenuEvent>
 
 #include "core/application.h"
 #include "core/iconloader.h"

src/collection/collectionview.h

@@ -24,7 +24,6 @@
 
 #include "config.h"
 
-#include <QObject>
 #include <QAbstractItemModel>
 #include <QAbstractItemView>
 #include <QString>
@@ -35,7 +34,6 @@
 #include "core/song.h"
 #include "widgets/autoexpandingtreeview.h"
 
-class QWidget;
 class QMenu;
 class QAction;
 class QContextMenuEvent;

src/collection/collectionviewcontainer.cpp

@@ -21,9 +21,6 @@
 
 #include "config.h"
 
-#include <QWidget>
-#include <QKeyEvent>
-
 #include "collectionfilterwidget.h"
 #include "collectionview.h"
 #include "collectionviewcontainer.h"

src/collection/collectionviewcontainer.h

@@ -24,7 +24,6 @@
 
 #include "config.h"
 
-#include <QObject>
 #include <QWidget>
 
 class CollectionFilterWidget;