--- psi.orig/src/src.pro
+++ psi/src/src.pro
@@ -166,3 +166,7 @@ mac {
    RC_FILE = ../mac/application.icns
    QMAKE_POST_LINK = cp -R ../certs ../iconsets ../sound `dirname $(TARGET)`/../Resources ; echo "APPLpsi " > `dirname $(TARGET)`/../PkgInfo
 }
+
+release {
+        DEFINES += QT_NO_DEBUG QT_NO_DEBUG_OUTPUT QT_NO_WARNING_OUTPUT
+}