QtModuleHelpers.cmake: Condition is ignored when adding header

CMake Warning (dev) at cmake/QtModuleHelpers.cmake:1320 (message): 
 Condition is ignored when adding the following header file(s) to the Gui                                                                    
 module:                   
                                             
 File:                                                                
     src/gui/accessible/qaccessible.h                                                                
 Condition:                                                         
     QT_FEATURE_accessibility                                                         
 File:                                                  
     src/gui/accessible/qplatformaccessibility.h                                                       
 Condition:                                                          
     QT_FEATURE_accessibility                                 
                         
 The usage of the file(s) is not properly isolated in this or other modules according to the condition. This warning is for the Qt maintainers. Please make sure that file include(s) are guarded with the appropriate macros in the Qt code.  If files should be added to the module unconditionally, please move them to the common SOURCES section in the qt_internal_add_module call. 
                              
Call Stack (most recent call first):         
 cmake/QtModuleHelpers.cmake:893 (qt_internal_collect_module_headers)  cmake/QtScopeFinalizerHelpers.cmake:24:EVAL:1 (qt_finalize_module)                           
 src/gui/CMakeLists.txt:DEFERRED
                       
This warning is for project developers.  Use -Wno-dev to suppress it.

qt_internal_extend_target(Gui CONDITION QT_FEATURE_accessibility
    CONDITION_INDEPENDENT_SOURCES
        accessible/qaccessible.h accessible/qplatformaccessibility.h
    SOURCES

#if QT_CONFIG(accessibility)