diff --git a/configure.ac b/configure.ac
index e9a8dc87b0..1fb7d2204f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -417,9 +417,6 @@ AS_IF([test "${SYS}" = "mingw32"],[
   AS_IF([test "${enable_winstore_app}" = "yes"], [
     vlc_winstore_app=1
     LIBCOM="-loleaut32"
-    AX_APPEND_FLAG([-DWINSTORECOMPAT],[CFLAGS])
-    AX_APPEND_FLAG([-DWINSTORECOMPAT],[CPPFLAGS])
-    AX_APPEND_FLAG([-DWINSTORECOMPAT],[CXXFLAGS])
     LDFLAGS="${LDFLAGS} -lwindowsappcompat"
     VLC_ADD_LIBS([libvlccore], [-lruntimeobject])
     AC_LIBOBJ([gai_strerror])
diff --git a/meson.build b/meson.build
index ecb70bde9b..e6ba7a9d08 100644
--- a/meson.build
+++ b/meson.build
@@ -434,7 +434,6 @@ ucrt_version_test = '''
     # Check if we are building for Windows Store
     if get_option('winstore_app')
         have_win_store = true
-        add_project_arguments('-DWINSTORECOMPAT', language: ['c', 'cpp'])
         windowsappcompat_lib = cc.find_library('windowsappcompat')
         # TODO: enable when meson 0.63 is required
         # add_project_dependencies(windowsappcompat_lib, language: ['c', 'cpp'])