diff --git a/CMakeLists.txt b/CMakeLists.txt
index 98dc45fffe..6161497537 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,14 +64,6 @@ find_package(KF5 CONFIG COMPONENTS Activities)
 # TODO: remove once the build system is completely cleaned
 find_package(KF5KDE4Support REQUIRED NO_MODULE)
 
-# HACK: remove after split
-if("${CMAKE_BINARY_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")
-    # screensaver and ksmserver dbus interface
-    find_package(ScreenSaverDBusInterface CONFIG REQUIRED)
-else()
-    set(SCREENSAVER_DBUS_INTERFACE ${ksmserver_SOURCE_DIR}/screenlocker/dbus/org.freedesktop.ScreenSaver.xml)
-endif()
-
 if(${Qt5Gui_OPENGL_IMPLEMENTATION} STREQUAL "GL")
     find_package(OpenGL)
     set_package_properties(OpenGL PROPERTIES DESCRIPTION "The OpenGL libraries"
@@ -369,7 +361,7 @@ qt5_add_dbus_adaptor( kwin_KDEINIT_SRCS org.kde.KWin.xml dbusinterface.h KWin::D
 qt5_add_dbus_adaptor( kwin_KDEINIT_SRCS org.kde.kwin.Compositing.xml composite.h KWin::Compositor )
 qt5_add_dbus_adaptor( kwin_KDEINIT_SRCS org.kde.kwin.Effects.xml effects.h KWin::EffectsHandlerImpl )
 
-qt5_add_dbus_interface( kwin_KDEINIT_SRCS ${SCREENSAVER_DBUS_INTERFACE} screenlocker_interface)
+qt5_add_dbus_interface( kwin_KDEINIT_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/org.freedesktop.ScreenSaver.xml screenlocker_interface)
 
 qt5_add_resources( kwin_KDEINIT_SRCS resources.qrc )
 
diff --git a/org.freedesktop.ScreenSaver.xml b/org.freedesktop.ScreenSaver.xml
new file mode 100644
index 0000000000..5efd9433ca
--- /dev/null
+++ b/org.freedesktop.ScreenSaver.xml
@@ -0,0 +1,41 @@
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node>
+  <interface name="org.freedesktop.ScreenSaver">
+    <signal name="ActiveChanged">
+      <arg type="b"/>
+    </signal>
+    <method name="Lock">
+    </method>
+    <method name="SimulateUserActivity">
+    </method>
+    <method name="GetActive">
+      <arg type="b" direction="out"/>
+    </method>
+    <method name="GetActiveTime">
+      <arg name="seconds" type="u" direction="out"/>
+    </method>
+    <method name="GetSessionIdleTime">
+      <arg name="seconds" type="u" direction="out"/>
+    </method>
+    <method name="SetActive">
+      <arg type="b" direction="out"/>
+      <arg name="e" type="b" direction="in"/>
+    </method>
+    <method name="Inhibit">
+      <arg name="application_name" type="s" direction="in"/>
+      <arg name="reason_for_inhibit" type="s" direction="in"/>
+      <arg name="cookie" type="u" direction="out"/>
+    </method>
+    <method name="UnInhibit">
+      <arg name="cookie" type="u" direction="in"/>
+    </method>
+    <method name="Throttle">
+      <arg name="application_name" type="s" direction="in"/>
+      <arg name="reason_for_inhibit" type="s" direction="in"/>
+      <arg name="cookie" type="u" direction="out"/>
+    </method>
+    <method name="UnThrottle">
+      <arg name="cookie" type="u" direction="in"/>
+    </method>
+  </interface>
+</node>