diff --git a/kde-modules/KDEFrameworkCompilerSettings.cmake b/kde-modules/KDEFrameworkCompilerSettings.cmake
--- a/kde-modules/KDEFrameworkCompilerSettings.cmake
+++ b/kde-modules/KDEFrameworkCompilerSettings.cmake
@@ -65,6 +65,11 @@
     add_definitions(-DQT_STRICT_ITERATORS)
 endif()
 
+add_definitions(
+    -DQT_DEPRECATED_WARNINGS_SINCE=0x060000
+    -DKF_DEPRECATED_WARNINGS_SINCE=0x060000
+)
+
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
 endif()