diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,8 +68,10 @@
     ecm_install_po_files_as_qm(po)
 endif()
 add_subdirectory(src)
-add_subdirectory(autotests)
-add_subdirectory(tests)
+if (BUILD_TESTING)
+    add_subdirectory(autotests)
+    add_subdirectory(tests)
+endif()
 
 # create a Config.cmake and a ConfigVersion.cmake file and install them
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5WindowSystem")