diff --git a/CMakeLists.txt b/CMakeLists.txt
index 584b31d..f7b671a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,54 +1,44 @@
 project( kbreakout )
 
 cmake_minimum_required (VERSION 2.8.12 FATAL_ERROR)
 set (QT_MIN_VERSION "5.7.0")
 set (KF5_MIN_VERSION "5.30.0")
 
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED CONFIG)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
 
 find_package(Qt5 ${QT_MIN_VERSION} REQUIRED NO_MODULE COMPONENTS Widgets Qml Quick QuickWidgets)
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
     CoreAddons 
     Config 
     Crash
     WidgetsAddons 
     Config 
     DBusAddons 
     I18n 
     ConfigWidgets 
     XmlGui
     DocTools
 )
 
 find_package(KF5KDEGames 4.9.0 REQUIRED)
 
 include(FeatureSummary)
 include(ECMInstallIcons)
 include(KDEInstallDirs)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
 include(ECMAddAppIcon)
 include(ECMQtDeclareLoggingCategory)
 
 
-add_definitions(
-    -DQT_USE_FAST_CONCATENATION
-    -DQT_USE_FAST_OPERATOR_PLUS
-    -DQT_NO_CAST_FROM_ASCII
-    -DQT_NO_CAST_TO_ASCII
-    -DQT_NO_CAST_FROM_BYTEARRAY
-    -DQT_NO_URL_CAST_FROM_STRING
-    -DQT_USE_QSTRINGBUILDER
-)
-
 add_subdirectory(src)
 add_subdirectory(pics)
 add_subdirectory(themes)
 add_subdirectory(levelsets)
 add_subdirectory(doc)
 install(PROGRAMS org.kde.kbreakout.desktop  DESTINATION  ${KDE_INSTALL_APPDIR})
 install(FILES org.kde.kbreakout.appdata.xml DESTINATION ${KDE_INSTALL_METAINFODIR})
 install( FILES kbreakout.categories DESTINATION ${KDE_INSTALL_CONFDIR} )
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)