diff --git a/src/lib/app/qz_namespace.h b/src/lib/app/qz_namespace.h
index 7ce1d88..0ae4ac7 100644
--- a/src/lib/app/qz_namespace.h
+++ b/src/lib/app/qz_namespace.h
@@ -37,11 +37,11 @@
 namespace Qz
 {
 // Version of session.dat file
-#if QT_VERSION >= 0x050000
-static const int sessionVersion = 0x0003 | 0x050000;
-#else
+//#if QT_VERSION >= 0x050000
+//static const int sessionVersion = 0x0003 | 0x050000;
+//#else
 static const int sessionVersion = 0x0003;
-#endif
+//#endif
 
 enum AppMessageType {
     AM_SetAdBlockIconEnabled,