diff --git a/activation.cpp b/activation.cpp
index 62920f032a..91b1a1b755 100644
--- a/activation.cpp
+++ b/activation.cpp
@@ -304,8 +304,7 @@ void Workspace::activateClient(Client* c, bool force)
     // E.g. typing URL in minicli which will show kio_uiserver dialog (with workaround),
     // and then kdesktop shows dialog about SSL certificate.
     // This needs also avoiding user creation time in Client::readUserTimeMapTimestamp().
-    if (!c->ignoreFocusStealing())
-        c->updateUserTime();
+    c->updateUserTime();
 }
 
 /*!
@@ -565,8 +564,6 @@ bool Workspace::allowClientActivation(const Client* c, Time time, bool focus_in,
         return false;
     if (!ignore_desktop && !c->isOnCurrentDesktop())
         return false; // allow only with level == 0
-    if (c->ignoreFocusStealing())
-        return true;
     if (ac == NULL || ac->isDesktop()) {
         kDebug(1212) << "Activation: No client active, allowing";
         return true; // no active client -> always allow
@@ -613,8 +610,6 @@ bool Workspace::allowFullClientRaising(const Client* c, Time time)
         kDebug(1212) << "Raising: No client active, allowing";
         return true; // no active client -> always allow
     }
-    if (c->ignoreFocusStealing())
-        return true;
     // TODO window urgency  -> return true?
     if (Client::belongToSameApplication(c, ac, true)) {
         kDebug(1212) << "Raising: Belongs to active application";
@@ -804,10 +799,7 @@ Time Client::readUserTimeMapTimestamp(const KStartupInfoId* asn_id, const KStart
         // this check will be done in manage().
         if (session)
             return -1U;
-        if (ignoreFocusStealing() && act != NULL)
-            time = act->userTime();
-        else
-            time = readUserCreationTime();
+        time = readUserCreationTime();
     }
     kDebug(1212) << "User timestamp, final:" << this << ":" << time;
     return time;
diff --git a/client.h b/client.h
index b39468724a..2677f30dc9 100644
--- a/client.h
+++ b/client.h
@@ -495,7 +495,6 @@ public:
     void updateUserTime(Time time = CurrentTime);
     Time userTime() const;
     bool hasUserTimeSupport() const;
-    bool ignoreFocusStealing() const;
 
     /// Does 'delete c;'
     static void deleteClient(Client* c, allowed_t);
@@ -912,7 +911,6 @@ private:
     KShortcut _shortcut;
     int sm_stacking_order;
     friend struct FetchNameInternalPredicate;
-    friend struct CheckIgnoreFocusStealingProcedure;
     friend struct ResetupRulesProcedure;
     friend class GeometryUpdatesBlocker;
     QTimer* demandAttentionKNotifyTimer;
@@ -1193,18 +1191,11 @@ inline bool Client::hasUserTimeSupport() const
     return info->userTime() != -1U;
 }
 
-inline bool Client::ignoreFocusStealing() const
-{
-    return ignore_focus_stealing;
-}
-
 inline const WindowRules* Client::rules() const
 {
     return &client_rules;
 }
 
-KWIN_PROCEDURE(CheckIgnoreFocusStealingProcedure, Client, cl->ignore_focus_stealing = options->checkIgnoreFocusStealing(cl));
-
 inline Window Client::moveResizeGrabWindow() const
 {
     return move_resize_grab_window;
diff --git a/manage.cpp b/manage.cpp
index 4583a97a6f..e494be5b5b 100644
--- a/manage.cpp
+++ b/manage.cpp
@@ -107,7 +107,6 @@ bool Client::manage(Window w, bool isMapped)
     // and also relies on rules already existing
     cap_normal = readName();
     setupWindowRules(false);
-    ignore_focus_stealing = options->checkIgnoreFocusStealing(this);   // TODO: Change to rules
     setCaption(cap_normal, true);
 
     if (Extensions::shapeAvailable())
@@ -274,10 +273,7 @@ bool Client::manage(Window w, bool isMapped)
     else
         usePosition = true;
     if (!rules()->checkIgnoreGeometry(!usePosition)) {
-        bool ignorePPosition = options->ignorePositionClasses().contains(
-                                   QString::fromLatin1(resourceClass()));
-
-        if (((xSizeHint.flags & PPosition) && !ignorePPosition) ||
+        if (((xSizeHint.flags & PPosition)) ||
                 (xSizeHint.flags & USPosition)) {
             placementDone = true;
             // Disobey xinerama placement option for now (#70943)
diff --git a/options.cpp b/options.cpp
index f17a4214e2..717a82d90a 100644
--- a/options.cpp
+++ b/options.cpp
@@ -190,19 +190,6 @@ unsigned long Options::updateSettings()
     setOpMaxButtonMiddleClick(windowOperation(config.readEntry("MaximizeButtonMiddleClickCommand", "Maximize (vertical only)"), true));
     setOpMaxButtonRightClick(windowOperation(config.readEntry("MaximizeButtonRightClickCommand", "Maximize (horizontal only)"), true));
 
-    m_ignorePositionClasses = config.readEntry("IgnorePositionClasses", QStringList());
-    ignoreFocusStealingClasses = config.readEntry("IgnoreFocusStealingClasses", QStringList());
-    // Qt3.2 and older had resource class all lowercase, but Qt3.3 has it capitalized
-    // therefore Client::resourceClass() forces lowercase, force here lowercase as well
-    for (QStringList::Iterator it = m_ignorePositionClasses.begin();
-            it != m_ignorePositionClasses.end();
-            ++it)
-        (*it) = (*it).toLower();
-    for (QStringList::Iterator it = ignoreFocusStealingClasses.begin();
-            it != ignoreFocusStealingClasses.end();
-            ++it)
-        (*it) = (*it).toLower();
-
     m_killPingTimeout = config.readEntry("KillPingTimeout", 5000);
     m_hideUtilityWindowsForInactive = config.readEntry("HideUtilityWindowsForInactive", true);
     m_inactiveTabsSkipTaskbar = config.readEntry("InactiveTabsSkipTaskbar", false);
@@ -460,11 +447,6 @@ int Options::electricBorderCooldown() const
     return electric_border_cooldown;
 }
 
-bool Options::checkIgnoreFocusStealing(const Client* c) const
-{
-    return ignoreFocusStealingClasses.contains(QString::fromLatin1(c->resourceClass()));
-}
-
 Options::MouseCommand Options::wheelToMouseCommand(MouseWheelCommand com, int delta) const
 {
     switch(com) {
diff --git a/options.h b/options.h
index c0ab6b2a2e..855ed78ccc 100644
--- a/options.h
+++ b/options.h
@@ -115,10 +115,6 @@ class Options : public QObject, public KDecorationOptions
      * 0 - 4 , see Workspace::allowClientActivation()
      **/
     Q_PROPERTY(int focusStealingPreventionLevel READ focusStealingPreventionLevel NOTIFY configChanged)
-    /**
-     * List of window classes to ignore PPosition size hint
-     */
-    Q_PROPERTY(QStringList ignorePositionClasses READ ignorePositionClasses NOTIFY configChanged)
     /**
     * support legacy fullscreen windows hack: borderless non-netwm windows with screen geometry
     */
@@ -372,13 +368,6 @@ public:
         return m_focusStealingPreventionLevel;
     }
 
-    /**
-     * List of window classes to ignore PPosition size hint
-     */
-    const QStringList &ignorePositionClasses() const {
-        return m_ignorePositionClasses;
-    }
-
     /**
     * support legacy fullscreen windows hack: borderless non-netwm windows with screen geometry
     */
@@ -386,8 +375,6 @@ public:
         return m_legacyFullscreenSupport;
     }
 
-    bool checkIgnoreFocusStealing(const Client* c) const;
-
     WindowOperation operationTitlebarDblClick() const {
         return OpTitlebarDblClick;
     }
@@ -625,7 +612,6 @@ private:
     bool m_showDesktopIsMinimizeAll;
     bool m_rollOverDesktops;
     int m_focusStealingPreventionLevel;
-    QStringList m_ignorePositionClasses;
     bool m_legacyFullscreenSupport;
     int m_killPingTimeout;
     bool m_hideUtilityWindowsForInactive;
@@ -683,8 +669,6 @@ private:
     bool electric_border_tiling;
     bool borderless_maximized_windows;
     bool show_geometry_tip;
-    // List of window classes for which not to use focus stealing prevention
-    QStringList ignoreFocusStealingClasses;
     int animationSpeed; // 0 - instant, 5 - very slow
 
     MouseCommand wheelToMouseCommand(MouseWheelCommand com, int delta) const;
diff --git a/workspace.cpp b/workspace.cpp
index 66fb50c84a..21ae09365f 100644
--- a/workspace.cpp
+++ b/workspace.cpp
@@ -932,7 +932,6 @@ void Workspace::slotReconfigure()
     emit configChanged();
     initPositioning->reinitCascading(0);
     discardPopup();
-    forEachClient(CheckIgnoreFocusStealingProcedure());
     updateToolWindows(true);
 
     if (hasDecorationPlugin() && mgr->reset(changed)) {