diff --git a/autotests/mock_effectshandler.h b/autotests/mock_effectshandler.h
--- a/autotests/mock_effectshandler.h
+++ b/autotests/mock_effectshandler.h
@@ -261,6 +261,7 @@
     void hideOnScreenMessage(OnScreenMessageHideFlags flags = OnScreenMessageHideFlags()) override { Q_UNUSED(flags)}
 
     KSharedConfigPtr config() const override;
+    KSharedConfigPtr inputConfig() const override;
 
 private:
     bool m_animationsSuported = true;
diff --git a/autotests/mock_effectshandler.cpp b/autotests/mock_effectshandler.cpp
--- a/autotests/mock_effectshandler.cpp
+++ b/autotests/mock_effectshandler.cpp
@@ -30,3 +30,9 @@
     static const KSharedConfigPtr s_config = KSharedConfig::openConfig(QString(), KConfig::SimpleConfig);
     return s_config;
 }
+
+KSharedConfigPtr MockEffectsHandler::inputConfig() const
+{
+    static const KSharedConfigPtr s_inputConfig = KSharedConfig::openConfig(QString(), KConfig::SimpleConfig);
+    return s_inputConfig;
+}
diff --git a/cursor.cpp b/cursor.cpp
--- a/cursor.cpp
+++ b/cursor.cpp
@@ -86,7 +86,7 @@
 
 void Cursor::loadThemeFromKConfig()
 {
-    KConfigGroup mousecfg(KSharedConfig::openConfig("kcminputrc", KConfig::NoGlobals), "Mouse");
+    KConfigGroup mousecfg(kwinApp()->inputConfig(), "Mouse");
     const QString themeName = mousecfg.readEntry("cursorTheme", "default");
     bool ok = false;
     uint themeSize = mousecfg.readEntry("cursorSize", QString("24")).toUInt(&ok);
diff --git a/effects.h b/effects.h
--- a/effects.h
+++ b/effects.h
@@ -242,6 +242,7 @@
     void hideOnScreenMessage(OnScreenMessageHideFlags flags = OnScreenMessageHideFlags()) override;
 
     KSharedConfigPtr config() const override;
+    KSharedConfigPtr inputConfig() const override;
 
     Scene *scene() const {
         return m_scene;
diff --git a/effects.cpp b/effects.cpp
--- a/effects.cpp
+++ b/effects.cpp
@@ -1626,6 +1626,11 @@
     return kwinApp()->config();
 }
 
+KSharedConfigPtr EffectsHandlerImpl::inputConfig() const
+{
+    return kwinApp()->inputConfig();
+}
+
 //****************************************
 // EffectWindowImpl
 //****************************************
diff --git a/effects/startupfeedback/startupfeedback.cpp b/effects/startupfeedback/startupfeedback.cpp
--- a/effects/startupfeedback/startupfeedback.cpp
+++ b/effects/startupfeedback/startupfeedback.cpp
@@ -283,7 +283,7 @@
     prepareTextures(iconPixmap);
     auto readCursorSize = []() -> int {
         // read details about the mouse-cursor theme define per default
-        KConfigGroup mousecfg(KSharedConfig::openConfig(QStringLiteral("kcminputrc")), "Mouse");
+        KConfigGroup mousecfg(effects->inputConfig(), "Mouse");
         QString size  = mousecfg.readEntry("cursorSize", QString());
 
         // fetch a reasonable size for the cursor-theme image
diff --git a/input.h b/input.h
--- a/input.h
+++ b/input.h
@@ -285,7 +285,6 @@
 
     QVector<InputEventFilter*> m_filters;
     QVector<InputEventSpy*> m_spies;
-    KSharedConfigPtr m_inputConfig;
 
     KWIN_SINGLETON(InputRedirection)
     friend InputRedirection *input();
diff --git a/input.cpp b/input.cpp
--- a/input.cpp
+++ b/input.cpp
@@ -1458,7 +1458,6 @@
                 }
             );
         }
-        m_inputConfig = KSharedConfig::openConfig(QStringLiteral("kcminputrc"));
     }
 #endif
     connect(kwinApp(), &Application::workspaceCreated, this, &InputRedirection::setupWorkspace);
@@ -1632,8 +1631,9 @@
 {
 #if HAVE_INPUT
     if (Application::usesLibinput()) {
-        m_inputConfig->reparseConfiguration();
-        const auto config = m_inputConfig->group(QStringLiteral("keyboard"));
+        auto inputConfig = kwinApp()->inputConfig();
+        inputConfig->reparseConfiguration();
+        const auto config = inputConfig->group(QStringLiteral("keyboard"));
         const int delay = config.readEntry("RepeatDelay", 660);
         const int rate = config.readEntry("RepeatRate", 25);
         const bool enabled = config.readEntry("KeyboardRepeating", 0) == 0;
@@ -1670,7 +1670,7 @@
             waylandServer()->display()->createRelativePointerManager(KWayland::Server::RelativePointerInterfaceVersion::UnstableV1, waylandServer()->display())->create();
         }
 
-        conn->setInputConfig(m_inputConfig);
+        conn->setInputConfig(kwinApp()->inputConfig());
         conn->updateLEDs(m_keyboard->xkb()->leds());
         conn->setup();
         connect(m_keyboard, &KeyboardInputRedirection::ledsChanged, conn, &LibInput::Connection::updateLEDs);
diff --git a/libkwineffects/kwineffects.h b/libkwineffects/kwineffects.h
--- a/libkwineffects/kwineffects.h
+++ b/libkwineffects/kwineffects.h
@@ -1306,6 +1306,12 @@
      **/
     virtual KSharedConfigPtr config() const = 0;
 
+    /**
+     * @returns The global input configuration (kcminputrc)
+     * @since 5.10
+     **/
+    virtual KSharedConfigPtr inputConfig() const = 0;
+
 Q_SIGNALS:
     /**
      * Signal emitted when the current desktop changed.
diff --git a/main.h b/main.h
--- a/main.h
+++ b/main.h
@@ -56,6 +56,7 @@
     Q_PROPERTY(int x11ScreenNumber READ x11ScreenNumber CONSTANT)
     Q_PROPERTY(KSharedConfigPtr config READ config WRITE setConfig)
     Q_PROPERTY(KSharedConfigPtr kxkbConfig READ kxkbConfig WRITE setKxkbConfig)
+    Q_PROPERTY(KSharedConfigPtr inputConfig READ inputConfig WRITE setInputConfig)
 public:
     /**
     * @brief This enum provides the various operation modes of KWin depending on the available
@@ -96,6 +97,13 @@
         m_kxkbConfig = config;
     }
 
+    KSharedConfigPtr inputConfig() const {
+        return m_inputConfig;
+    }
+    void setInputConfig(KSharedConfigPtr config) {
+        m_inputConfig = config;
+    }
+
     void start();
     /**
     * @brief The operation mode used by KWin.
@@ -232,6 +240,7 @@
     bool m_configLock;
     KSharedConfigPtr m_config;
     KSharedConfigPtr m_kxkbConfig;
+    KSharedConfigPtr m_inputConfig;
     OperationMode m_operationMode;
     xcb_timestamp_t m_x11Time = XCB_TIME_CURRENT_TIME;
     xcb_window_t m_rootWindow = XCB_WINDOW_NONE;
diff --git a/main.cpp b/main.cpp
--- a/main.cpp
+++ b/main.cpp
@@ -105,6 +105,7 @@
     , m_configLock(false)
     , m_config()
     , m_kxkbConfig()
+    , m_inputConfig()
     , m_operationMode(mode)
 {
     qRegisterMetaType<Options::WindowOperation>("Options::WindowOperation");
@@ -148,6 +149,9 @@
     if (!m_kxkbConfig) {
         m_kxkbConfig = KSharedConfig::openConfig(QStringLiteral("kxkbrc"), KConfig::NoGlobals);
     }
+    if (!m_inputConfig) {
+        m_inputConfig = KSharedConfig::openConfig(QStringLiteral("kcminputrc"), KConfig::NoGlobals);
+    }
 
     performStartup();
 }