diff -r 5dc02b23752f -r 3e2da88830cd src/3rdparty/phonon/mmf/abstractaudioeffect.cpp
--- a/src/3rdparty/phonon/mmf/abstractaudioeffect.cpp	Tue Jul 06 15:10:48 2010 +0300
+++ b/src/3rdparty/phonon/mmf/abstractaudioeffect.cpp	Wed Aug 18 10:37:55 2010 +0300
@@ -184,6 +184,8 @@
     const EffectParameter &param, const QVariant &value)
 {
     // Default implementation
+    Q_UNUSED(param)
+    Q_UNUSED(value)
     Q_ASSERT_X(false, Q_FUNC_INFO, "Effect has no parameters");
     return 0;
 }