diff --git a/geometry.cpp b/geometry.cpp
index bfc304bb2e..61f57db693 100644
--- a/geometry.cpp
+++ b/geometry.cpp
@@ -273,40 +273,16 @@ QRect Workspace::clientArea(clientAreaOption opt, int screen, int desktop) const
 
     switch(opt) {
     case MaximizeArea:
-        if (is_multihead)
-            return sarea;
-        else if (options->xineramaMaximizeEnabled)
-            return sarea;
-        else
-            return warea;
-    case MaximizeFullArea:
-        if (is_multihead)
-            return Kephal::ScreenUtils::screenGeometry(screen_number);
-        else if (options->xineramaMaximizeEnabled)
-            return Kephal::ScreenUtils::screenGeometry(screen);
-        else
-            return Kephal::ScreenUtils::desktopGeometry();
-    case FullScreenArea:
-        if (is_multihead)
-            return Kephal::ScreenUtils::screenGeometry(screen_number);
-        else if (options->xineramaFullscreenEnabled)
-            return Kephal::ScreenUtils::screenGeometry(screen);
-        else
-            return Kephal::ScreenUtils::desktopGeometry();
     case PlacementArea:
-        if (is_multihead)
             return sarea;
-        else if (options->xineramaPlacementEnabled)
-            return sarea;
-        else
-            return warea;
+    case MaximizeFullArea:
+    case FullScreenArea:
     case MovementArea:
+    case ScreenArea:
         if (is_multihead)
             return Kephal::ScreenUtils::screenGeometry(screen_number);
-        else if (options->xineramaMovementEnabled)
-            return Kephal::ScreenUtils::screenGeometry(screen);
         else
-            return Kephal::ScreenUtils::desktopGeometry();
+            return Kephal::ScreenUtils::screenGeometry(screen);
     case WorkArea:
         if (is_multihead)
             return sarea;
@@ -317,11 +293,6 @@ QRect Workspace::clientArea(clientAreaOption opt, int screen, int desktop) const
             return Kephal::ScreenUtils::screenGeometry(screen_number);
         else
             return Kephal::ScreenUtils::desktopGeometry();
-    case ScreenArea:
-        if (is_multihead)
-            return Kephal::ScreenUtils::screenGeometry(screen_number);
-        else
-            return Kephal::ScreenUtils::screenGeometry(screen);
     }
     abort();
 }
diff --git a/manage.cpp b/manage.cpp
index c551eac6a2..3867fc495f 100644
--- a/manage.cpp
+++ b/manage.cpp
@@ -225,13 +225,10 @@ bool Client::manage(Window w, bool isMapped)
     bool partial_keep_in_area = isMapped || session;
     if (isMapped || session)
         area = workspace()->clientArea(FullArea, geom.center(), desktop());
-    else if (options->xineramaPlacementEnabled) {
-        int screen = options->xineramaPlacementScreen;
-        if (screen == -1)   // Active screen
-            screen = asn_data.xinerama() == -1 ? workspace()->activeScreen() : asn_data.xinerama();
+    else {
+        int screen = asn_data.xinerama() == -1 ? workspace()->activeScreen() : asn_data.xinerama();
         area = workspace()->clientArea(PlacementArea, workspace()->screenGeometry(screen).center(), desktop());
-    } else
-        area = workspace()->clientArea(PlacementArea, cursorPos(), desktop());
+    }
 
     if (int type = checkFullScreenHack(geom)) {
         fullscreen_mode = FullScreenHack;
diff --git a/options.cpp b/options.cpp
index d496569468..45e8152e20 100644
--- a/options.cpp
+++ b/options.cpp
@@ -136,19 +136,11 @@ unsigned long Options::updateSettings()
     if (!focusPolicyIsReasonable())  // #48786, comments #7 and later
         focusStealingPreventionLevel = 0;
 
-    xineramaEnabled = config.readEntry("XineramaEnabled", true);
-    xineramaPlacementEnabled = config.readEntry("XineramaPlacementEnabled", true);
-    xineramaMovementEnabled = config.readEntry("XineramaMovementEnabled", true);
-    xineramaMaximizeEnabled = config.readEntry("XineramaMaximizeEnabled", true);
-    xineramaFullscreenEnabled = config.readEntry("XineramaFullscreenEnabled", true);
-
 #ifdef KWIN_BUILD_DECORATIONS
     placement = Placement::policyFromString(config.readEntry("Placement"), true);
 #else
     placement = Placement::Maximizing;
 #endif
-    xineramaPlacementScreen = qBound(-1, config.readEntry("XineramaPlacementScreen", -1),
-                                     Kephal::ScreenUtils::numScreens() - 1);
 
     if (focusPolicy == ClickToFocus) {
         autoRaise = false;
diff --git a/options.h b/options.h
index 9dc29cf679..d3d158bfb0 100644
--- a/options.h
+++ b/options.h
@@ -132,18 +132,6 @@ public:
     // whether active Xinerama screen is the one with mouse (or with the active window)
     bool activeMouseScreen;
 
-    /**
-     * Xinerama options
-     */
-    bool xineramaEnabled;
-    bool xineramaPlacementEnabled;
-    bool xineramaMovementEnabled;
-    bool xineramaMaximizeEnabled;
-    bool xineramaFullscreenEnabled;
-
-    // number, or -1 = active screen (Workspace::activeScreen())
-    int xineramaPlacementScreen;
-
     Placement::Policy placement;
 
     bool focusPolicyIsReasonable() {
diff --git a/tabbox/tabbox.cpp b/tabbox/tabbox.cpp
index 97575ce7a7..3f26397600 100644
--- a/tabbox/tabbox.cpp
+++ b/tabbox/tabbox.cpp
@@ -159,7 +159,7 @@ TabBoxClient* TabBoxHandlerImpl::clientToAddToList(TabBoxClient* client, int des
             }
         }
     }
-    if (options->separateScreenFocus && options->xineramaEnabled) {
+    if (options->separateScreenFocus) {
         if (current->screen() != workspace->activeScreen())
             ret = NULL;
     }
diff --git a/toplevel.cpp b/toplevel.cpp
index d9010160ca..4453396c61 100644
--- a/toplevel.cpp
+++ b/toplevel.cpp
@@ -352,8 +352,6 @@ void Toplevel::deleteEffectWindow()
 
 int Toplevel::screen() const
 {
-    if (!options->xineramaEnabled)
-        return 0;
     int s = workspace()->screenNumber(geometry().center());
     if (s < 0) {
         kDebug(1212) << "Invalid screen: Center" << geometry().center() << ", screen" << s;
@@ -364,8 +362,6 @@ int Toplevel::screen() const
 
 bool Toplevel::isOnScreen(int screen) const
 {
-    if (!options->xineramaEnabled)
-        return screen == 0;
     return workspace()->screenGeometry(screen).intersects(geometry());
 }
 
diff --git a/workspace.cpp b/workspace.cpp
index 69b4ecb31b..6c7465eb01 100644
--- a/workspace.cpp
+++ b/workspace.cpp
@@ -1686,15 +1686,11 @@ void Workspace::toggleClientOnActivity(Client* c, const QString &activity, bool
 
 int Workspace::numScreens() const
 {
-    if (!options->xineramaEnabled)
-        return 1;
     return Kephal::ScreenUtils::numScreens();
 }
 
 int Workspace::activeScreen() const
 {
-    if (!options->xineramaEnabled)
-        return 0;
     if (!options->activeMouseScreen) {
         if (activeClient() != NULL && !activeClient()->isOnScreen(active_screen))
             return activeClient()->screen();
@@ -1709,8 +1705,6 @@ int Workspace::activeScreen() const
  */
 void Workspace::checkActiveScreen(const Client* c)
 {
-    if (!options->xineramaEnabled)
-        return;
     if (!c->isActive())
         return;
     if (!c->isOnScreen(active_screen))
@@ -1723,22 +1717,16 @@ void Workspace::checkActiveScreen(const Client* c)
  */
 void Workspace::setActiveScreenMouse(const QPoint& mousepos)
 {
-    if (!options->xineramaEnabled)
-        return;
     active_screen = Kephal::ScreenUtils::screenId(mousepos);
 }
 
 QRect Workspace::screenGeometry(int screen) const
 {
-    if (!options->xineramaEnabled)
-        return Kephal::ScreenUtils::desktopGeometry();
     return Kephal::ScreenUtils::screenGeometry(screen);
 }
 
 int Workspace::screenNumber(const QPoint& pos) const
 {
-    if (!options->xineramaEnabled)
-        return 0;
     return Kephal::ScreenUtils::screenId(pos);
 }