diff --git a/cfg/qt.cfg b/cfg/qt.cfg
index c7bf3d8779b..95dc022cf57 100644
--- a/cfg/qt.cfg
+++ b/cfg/qt.cfg
@@ -5520,7 +5520,7 @@
   <define name="Q_OVERRIDE(x)" value=""/>
   <define name="Q_PLUGIN_METADATA(x)" value=""/>
   <define name="Q_ASSERT(condition)" value="assert(condition)"/>
-  <define name="Q_ASSERT_X(condition, where, what)" value="assert(condition)"/>
+  <define name="Q_ASSERT_X(condition, where, what)" value="assert(condition); (void)(where); (void)(what)"/>
   <define name="QTC_ASSERT_STRINGIFY_HELPER(x)" value="#x"/>
   <define name="QTC_ASSERT_STRINGIFY(x)" value="QTC_ASSERT_STRINGIFY_HELPER(x)"/>
   <define name="QTC_ASSERT_STRING(cond)" value="::Utils::writeAssertLocation( &quot;\&quot;&quot; cond&quot;\&quot; in file &quot; __FILE__ &quot;, line &quot; QTC_ASSERT_STRINGIFY(__LINE__))"/>