diff --git a/tests/unit/unittest/unittest.pro b/tests/unit/unittest/unittest.pro
index 4fbba5b4131..d6b9e08594c 100644
--- a/tests/unit/unittest/unittest.pro
+++ b/tests/unit/unittest/unittest.pro
@@ -14,8 +14,6 @@ OBJECTS_DIR = $$OUT_PWD/obj # workaround for qmake bug in object_parallel_to_sou
 !msvc:force_debug_info:QMAKE_CXXFLAGS += -fno-omit-frame-pointer
 
 DEFINES += \
-    QT_NO_CAST_TO_ASCII \
-    QT_RESTRICTED_CAST_FROM_ASCII \
     QT_USE_FAST_OPERATOR_PLUS \
     QT_USE_FAST_CONCATENATION \
     UNIT_TESTS \