diff --git a/client.h b/client.h
index d64c6972e..17c91a098 100644
--- a/client.h
+++ b/client.h
@@ -483,7 +483,7 @@ public:
     const QKeySequence &shortcut() const;
     void setShortcut(const QString& cut);
 
-    WindowOperation mouseButtonToWindowOperation(Qt::MouseButtons button);
+    Options::WindowOperation mouseButtonToWindowOperation(Qt::MouseButtons button);
     bool performMouseCommand(Options::MouseCommand, const QPoint& globalPos);
 
     QRect adjustedClientArea(const QRect& desktop, const QRect& area) const;
diff --git a/decorations/decoratedclient.cpp b/decorations/decoratedclient.cpp
index 3d7700f45..d67a8743f 100644
--- a/decorations/decoratedclient.cpp
+++ b/decorations/decoratedclient.cpp
@@ -142,7 +142,7 @@ DELEGATE(WId, decorationId, frameId)
 #define DELEGATE(name, op) \
     void DecoratedClientImpl::name() \
     { \
-        Workspace::self()->performWindowOperation(m_client, KDecorationDefines::op); \
+        Workspace::self()->performWindowOperation(m_client, Options::op); \
     }
 
 DELEGATE(requestToggleShade, ShadeOp)
diff --git a/options.cpp b/options.cpp
index 33d9d050a..c8cb62f4b 100644
--- a/options.cpp
+++ b/options.cpp
@@ -1155,7 +1155,7 @@ double Options::animationTimeFactor() const
     return factors[ animationSpeed ];
 }
 
-KDecorationDefines::WindowOperation Options::operationMaxButtonClick(Qt::MouseButtons button) const
+Options::WindowOperation Options::operationMaxButtonClick(Qt::MouseButtons button) const
 {
     return button == Qt::RightButton ? opMaxButtonRightClick :
            button == Qt::MidButton ?   opMaxButtonMiddleClick :
diff --git a/options.h b/options.h
index 9119bd51d..e4fb473a5 100644
--- a/options.h
+++ b/options.h
@@ -47,13 +47,14 @@ enum HiddenPreviews {
 
 class Settings;
 
-class Options : public QObject, public KDecorationDefines
+class Options : public QObject
 {
     Q_OBJECT
     Q_ENUMS(FocusPolicy)
     Q_ENUMS(GlSwapStrategy)
     Q_ENUMS(MouseCommand)
     Q_ENUMS(MouseWheelCommand)
+    Q_ENUMS(WindowOperation)
 
     Q_PROPERTY(FocusPolicy focusPolicy READ focusPolicy WRITE setFocusPolicy NOTIFY focusPolicyChanged)
     Q_PROPERTY(bool nextFocusPrefersMouse READ isNextFocusPrefersMouse WRITE setNextFocusPrefersMouse NOTIFY nextFocusPrefersMouseChanged)
@@ -347,6 +348,37 @@ public:
         return m_legacyFullscreenSupport;
     }
 
+    enum WindowOperation {
+        MaximizeOp = 5000,
+        RestoreOp,
+        MinimizeOp,
+        MoveOp,
+        UnrestrictedMoveOp,
+        ResizeOp,
+        UnrestrictedResizeOp,
+        CloseOp,
+        OnAllDesktopsOp,
+        ShadeOp,
+        KeepAboveOp,
+        KeepBelowOp,
+        OperationsOp,
+        WindowRulesOp,
+        ToggleStoreSettingsOp = WindowRulesOp, ///< @obsolete
+        HMaximizeOp,
+        VMaximizeOp,
+        LowerOp,
+        FullScreenOp,
+        NoBorderOp,
+        NoOp,
+        SetupWindowShortcutOp,
+        ApplicationRulesOp,
+        RemoveTabFromGroupOp, // Remove from group
+        CloseTabGroupOp, // Close the group
+        ActivateNextTabOp, // Move left in the group
+        ActivatePreviousTabOp, // Move right in the group
+        TabDragOp,
+    };
+
     WindowOperation operationTitlebarDblClick() const {
         return OpTitlebarDblClick;
     }
@@ -914,4 +946,6 @@ extern Options* options;
 
 } // namespace
 
+Q_DECLARE_METATYPE(KWin::Options::WindowOperation)
+
 #endif
diff --git a/useractions.cpp b/useractions.cpp
index 1343198d3..937af4c02 100644
--- a/useractions.cpp
+++ b/useractions.cpp
@@ -740,7 +740,7 @@ void UserActionsMenu::slotWindowOperation(QAction *action)
     QMetaObject::invokeMethod(workspace(), "performWindowOperation",
                               Qt::QueuedConnection,
                               Q_ARG(KWin::Client*, c.data()),
-                              Q_ARG(KDecorationDefines::WindowOperation, op));
+                              Q_ARG(Options::WindowOperation, op));
 }
 
 void UserActionsMenu::slotSendToDesktop(QAction *action)
diff --git a/workspace.h b/workspace.h
index baffc4dc3..3815498aa 100644
--- a/workspace.h
+++ b/workspace.h
@@ -26,6 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // kwin
 #include <kdecoration.h>
 #include "sm.h"
+#include "options.h"
 #include "utils.h"
 // Qt
 #include <QTimer>
@@ -330,7 +331,7 @@ public:
     void unregisterEventFilter(X11EventFilter *filter);
 
 public Q_SLOTS:
-    void performWindowOperation(KWin::Client* c, KDecorationDefines::WindowOperation op);
+    void performWindowOperation(KWin::Client* c, Options::WindowOperation op);
     // Keybindings
     //void slotSwitchToWindow( int );
     void slotWindowToDesktop();