diff --git a/CMakeLists.txt b/CMakeLists.txt
index 74e668a..8087e22 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,74 +1,68 @@
 set(KDEPIM_VERSION_NUMBER "5.9.40")
 cmake_minimum_required(VERSION 3.1)
 project(mbox-importer VERSION ${KDEPIM_VERSION_NUMBER})
 
 set(KF5_VERSION "5.50.0")
 
 find_package(ECM ${KF5_VERSION} CONFIG REQUIRED)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 include(ECMInstallIcons)
 
 include(ECMOptionalAddSubdirectory)
 include(ECMSetupVersion)
 include(ECMAddTests)
 include(ECMMarkNonGuiExecutable)
 include(GenerateExportHeader)
 include(ECMGenerateHeaders)
 include(CMakePackageConfigHelpers)
 include(FeatureSummary)
 include(CheckFunctionExists)
 include(ECMGeneratePriFile)
 
 include(KDEInstallDirs)
 include(KDECMakeSettings)
-include(KDECompilerSettings NO_POLICY_SCOPE)
+include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(ECMAddAppIcon)
 include(ECMQtDeclareLoggingCategory)
 include(ECMCoverageOption)
 
 # Do NOT add quote
 set(KDEPIM_DEV_VERSION alpha)
 
 # add an extra space
 if(DEFINED KDEPIM_DEV_VERSION)
     set(KDEPIM_DEV_VERSION " ${KDEPIM_DEV_VERSION}")
 endif()
 
 set(KDEPIM_VERSION "${KDEPIM_VERSION_NUMBER}${KDEPIM_DEV_VERSION}")
 
 set(AKONADI_VERSION "5.9.40")
 
 set(KDEPIM_LIB_VERSION "${KDEPIM_VERSION_NUMBER}")
 set(KDEPIM_LIB_SOVERSION "5")
 
 set(QT_REQUIRED_VERSION "5.9.0")
 find_package(Qt5 ${QT_REQUIRED_VERSION} CONFIG REQUIRED Gui Widgets)
 set(LIBMAILIMPORTER_VERSION_LIB "5.9.40")
 set(MAILCOMMON_LIB_VERSION_LIB "5.9.40")
 set(PIMCOMMON_LIB_VERSION "5.9.40")
 
 # Find KF5 package
 find_package(KF5Config ${KF5_VERSION} CONFIG REQUIRED)
 find_package(KF5Service ${KF5_VERSION} CONFIG REQUIRED)
 find_package(KF5Crash ${KF5_VERSION} REQUIRED)
 find_package(KF5KIO ${KF5_VERSION} REQUIRED)
 
 # Find KdepimLibs Package
 find_package(KF5Akonadi ${AKONADI_VERSION} CONFIG REQUIRED)
 
 find_package(KF5MailCommon ${MAILCOMMON_LIB_VERSION_LIB} CONFIG REQUIRED)
 find_package(KF5MailImporterAkonadi ${LIBMAILIMPORTER_VERSION_LIB} CONFIG REQUIRED)
 find_package(KF5PimCommonAkonadi ${PIMCOMMON_LIB_VERSION_LIB} CONFIG REQUIRED)
 include_directories(${mbox-importer_SOURCE_DIR} ${mbox-importer_BINARY_DIR})
 
-add_definitions(-DQT_NO_URL_CAST_FROM_STRING)
-add_definitions(-DQT_USE_QSTRINGBUILDER)
-
-add_definitions(-DQT_NO_CAST_FROM_ASCII)
-add_definitions(-DQT_NO_CAST_TO_ASCII)
-add_definitions(-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
 add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
 
 add_subdirectory(src)
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)