6 files changed, 9 insertions, 11 deletions
diff --git a/src/gui/kernel/qplatformclipboard_qpa.cpp b/src/gui/kernel/qplatformclipboard_qpa.cpp
index 33d2afcd1b..302df683bd 100644
--- a/src/gui/kernel/qplatformclipboard_qpa.cpp
+++ b/src/gui/kernel/qplatformclipboard_qpa.cpp
@@ -83,7 +83,7 @@ QPlatformClipboard::~QPlatformClipboard()
 
 }
 
-const QMimeData *QPlatformClipboard::mimeData(QClipboard::Mode mode) const
+QMimeData *QPlatformClipboard::mimeData(QClipboard::Mode mode)
 {
     //we know its clipboard
     Q_UNUSED(mode);
diff --git a/src/gui/kernel/qplatformclipboard_qpa.h b/src/gui/kernel/qplatformclipboard_qpa.h
index 5444a1f206..e1be8aa22f 100644
--- a/src/gui/kernel/qplatformclipboard_qpa.h
+++ b/src/gui/kernel/qplatformclipboard_qpa.h
@@ -59,7 +59,7 @@ class Q_GUI_EXPORT QPlatformClipboard
 public:
     virtual ~QPlatformClipboard();
 
-    virtual const QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard ) const;
+    virtual QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard);
     virtual void setMimeData(QMimeData *data, QClipboard::Mode mode = QClipboard::Clipboard);
     virtual bool supportsMode(QClipboard::Mode mode) const;
     void emitChanged(QClipboard::Mode mode);
diff --git a/src/plugins/platforms/wayland/qwaylandclipboard.cpp b/src/plugins/platforms/wayland/qwaylandclipboard.cpp
index 9a363b5f8f..c1ac386cd6 100644
--- a/src/plugins/platforms/wayland/qwaylandclipboard.cpp
+++ b/src/plugins/platforms/wayland/qwaylandclipboard.cpp
@@ -217,7 +217,7 @@ QVariant QWaylandClipboard::retrieveData(const QString &mimeType, QVariant::Type
     return content;
 }
 
-const QMimeData *QWaylandClipboard::mimeData(QClipboard::Mode mode) const
+QMimeData *QWaylandClipboard::mimeData(QClipboard::Mode mode)
 {
     Q_ASSERT(mode == QClipboard::Clipboard);
     if (!mMimeDataIn)
diff --git a/src/plugins/platforms/wayland/qwaylandclipboard.h b/src/plugins/platforms/wayland/qwaylandclipboard.h
index b0d63949fb..6a02254cae 100644
--- a/src/plugins/platforms/wayland/qwaylandclipboard.h
+++ b/src/plugins/platforms/wayland/qwaylandclipboard.h
@@ -57,7 +57,7 @@ public:
     QWaylandClipboard(QWaylandDisplay *display);
     ~QWaylandClipboard();
 
-    const QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard) const;
+    QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard);
     void setMimeData(QMimeData *data, QClipboard::Mode mode = QClipboard::Clipboard);
     bool supportsMode(QClipboard::Mode mode) const;
 
@@ -81,7 +81,7 @@ private:
 
     QWaylandDisplay *mDisplay;
     QWaylandSelection *mSelection;
-    mutable QWaylandMimeData *mMimeDataIn;
+    QWaylandMimeData *mMimeDataIn;
     QList<QWaylandSelection *> mSelections;
     QStringList mOfferedMimeTypes;
     struct wl_selection_offer *mOffer;
diff --git a/src/plugins/platforms/xlib/qxlibclipboard.cpp b/src/plugins/platforms/xlib/qxlibclipboard.cpp
index dfaf552121..fef6e3ae12 100644
--- a/src/plugins/platforms/xlib/qxlibclipboard.cpp
+++ b/src/plugins/platforms/xlib/qxlibclipboard.cpp
@@ -161,12 +161,11 @@ QXlibClipboard::QXlibClipboard(QXlibScreen *screen)
 {
 }
 
-const QMimeData * QXlibClipboard::mimeData(QClipboard::Mode mode) const
+QMimeData * QXlibClipboard::mimeData(QClipboard::Mode mode)
 {
     if (mode == QClipboard::Clipboard) {
         if (!m_xClipboard) {
-            QXlibClipboard *that = const_cast<QXlibClipboard *>(this);
-            that->m_xClipboard = new QXlibClipboardMime(mode,that);
+            m_xClipboard = new QXlibClipboardMime(mode, this);
         }
         Window clipboardOwner = XGetSelectionOwner(screen()->display()->nativeDisplay(),QXlibStatic::atom(QXlibStatic::CLIPBOARD));
         if (clipboardOwner == owner()) {
@@ -176,8 +175,7 @@ const QMimeData * QXlibClipboard::mimeData(QClipboard::Mode mode) const
         }
     } else if (mode == QClipboard::Selection) {
         if (!m_xSelection) {
-            QXlibClipboard *that = const_cast<QXlibClipboard *>(this);
-            that->m_xSelection = new QXlibClipboardMime(mode,that);
+            m_xSelection = new QXlibClipboardMime(mode, this);
         }
         Window clipboardOwner = XGetSelectionOwner(screen()->display()->nativeDisplay(),XA_PRIMARY);
         if (clipboardOwner == owner()) {
diff --git a/src/plugins/platforms/xlib/qxlibclipboard.h b/src/plugins/platforms/xlib/qxlibclipboard.h
index 15901b0d2a..d61340dd1c 100644
--- a/src/plugins/platforms/xlib/qxlibclipboard.h
+++ b/src/plugins/platforms/xlib/qxlibclipboard.h
@@ -51,7 +51,7 @@ class QXlibClipboard : public QPlatformClipboard
 public:
     QXlibClipboard(QXlibScreen *screen);
 
-    const QMimeData *mimeData(QClipboard::Mode mode) const;
+    QMimeData *mimeData(QClipboard::Mode mode);
     void setMimeData(QMimeData *data, QClipboard::Mode mode);
 
     bool supportsMode(QClipboard::Mode mode) const;