diff --git a/autotests/mock_workspace.cpp b/autotests/mock_workspace.cpp
index adcb65d752..394975e1e1 100644
--- a/autotests/mock_workspace.cpp
+++ b/autotests/mock_workspace.cpp
@@ -58,6 +58,11 @@ bool MockWorkspace::showingDesktop() const
     return m_showingDesktop;
 }
 
+QRect MockWorkspace::geometry() const
+{
+    return QRect();
+}
+
 QRect MockWorkspace::clientArea(clientAreaOption, int screen, int desktop) const
 {
     Q_UNUSED(screen)
diff --git a/autotests/mock_workspace.h b/autotests/mock_workspace.h
index 11e183a39d..ed4e520fe1 100644
--- a/autotests/mock_workspace.h
+++ b/autotests/mock_workspace.h
@@ -32,6 +32,7 @@ public:
     AbstractClient *moveResizeClient() const;
     void setShowingDesktop(bool showing);
     bool showingDesktop() const;
+    QRect geometry() const;
     QRect clientArea(clientAreaOption, int screen, int desktop) const;
 
     void setActiveClient(AbstractClient *c);
diff --git a/src/screens.cpp b/src/screens.cpp
index c62f97df0e..847d572f46 100644
--- a/src/screens.cpp
+++ b/src/screens.cpp
@@ -122,11 +122,6 @@ int Screens::intersecting(const QRect &r) const
     return cnt;
 }
 
-QSize Screens::displaySize() const
-{
-    return size();
-}
-
 int Screens::number(const QPoint &pos) const
 {
     // TODO: Do something about testScreens and other tests that use MockScreens.
diff --git a/src/screens.h b/src/screens.h
index 2c1836f2f9..cdd70bbf73 100644
--- a/src/screens.h
+++ b/src/screens.h
@@ -66,18 +66,6 @@ public:
 
     int intersecting(const QRect &r) const;
 
-    /**
-     * The virtual bounding size of all screens combined.
-     * The default implementation returns the same as @ref size and that is the
-     * method which should be preferred.
-     *
-     * This method is only for cases where the platform specific implementation needs
-     * to support different virtual sizes like on X11 with XRandR panning.
-     *
-     * @see size
-     */
-    QSize displaySize() const;
-
 Q_SIGNALS:
     void countChanged(int previousCount, int newCount);
     /**
diff --git a/src/scripting/scriptedeffect.cpp b/src/scripting/scriptedeffect.cpp
index 379a03ef27..d7e14fce18 100644
--- a/src/scripting/scriptedeffect.cpp
+++ b/src/scripting/scriptedeffect.cpp
@@ -15,7 +15,7 @@
 
 #include "input.h"
 #include "screenedge.h"
-#include "screens.h"
+#include "workspace.h"
 // KDE
 #include <KConfigGroup>
 #include <kconfigloader.h>
@@ -605,12 +605,12 @@ QJSValue ScriptedEffect::readConfig(const QString &key, const QJSValue &defaultV
 
 int ScriptedEffect::displayWidth() const
 {
-    return screens()->displaySize().width();
+    return workspace()->geometry().width();
 }
 
 int ScriptedEffect::displayHeight() const
 {
-    return screens()->displaySize().height();
+    return workspace()->geometry().height();
 }
 
 int ScriptedEffect::animationTime(int defaultTime) const