diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7bf14ff..f8572c8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,6 @@ cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
 
 set(CMAKE_USE_RELATIVE_PATHS OFF)
 set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
-set(KDE_INSTALL_USE_QT_SYS_PATHS ON CACHE BOOL "Install mkspecs files, Plugins and Imports to the Qt 5 install dir" FORCE)
 
 set(QT_MIN_VERSION "5.3.0")
 set(VERSION_MAJOR "2")
diff --git a/src/plugins/dummy/CMakeLists.txt b/src/plugins/dummy/CMakeLists.txt
index 698810b..89a5d35 100644
--- a/src/plugins/dummy/CMakeLists.txt
+++ b/src/plugins/dummy/CMakeLists.txt
@@ -19,7 +19,7 @@ add_library(pmdummybackendplugin SHARED ${pmdummybackendplugin_SRCS})
 
 target_link_libraries(pmdummybackendplugin kpmcore)
 
-install(TARGETS pmdummybackendplugin DESTINATION ${PLUGIN_INSTALL_DIR})
+install(TARGETS pmdummybackendplugin DESTINATION ${KDE_INSTALL_PLUGINDIR})
 kcoreaddons_desktop_to_json(pmdummybackendplugin pmdummybackendplugin.desktop)
 install(FILES pmdummybackendplugin.desktop DESTINATION ${SERVICES_INSTALL_DIR})
 
diff --git a/src/plugins/libparted/CMakeLists.txt b/src/plugins/libparted/CMakeLists.txt
index e9037d4..ec14b15 100644
--- a/src/plugins/libparted/CMakeLists.txt
+++ b/src/plugins/libparted/CMakeLists.txt
@@ -31,6 +31,6 @@ add_library(pmlibpartedbackendplugin SHARED ${pmlibpartedbackendplugin_SRCS})
 
 target_link_libraries(pmlibpartedbackendplugin kpmcore ${LIBPARTED_LIBS} ${BLKID_LIBRARIES} KF5::KIOCore KF5::I18n)
 
-install(TARGETS pmlibpartedbackendplugin DESTINATION ${PLUGIN_INSTALL_DIR})
+install(TARGETS pmlibpartedbackendplugin DESTINATION ${KDE_INSTALL_PLUGINDIR})
 kcoreaddons_desktop_to_json(pmlibpartedbackendplugin pmlibpartedbackendplugin.desktop)
 install(FILES pmlibpartedbackendplugin.desktop DESTINATION ${SERVICES_INSTALL_DIR})