diff --git a/qse/include/qse/cmn/Mmged.hpp b/qse/include/qse/cmn/Mmged.hpp
index 3b049555..e8a96182 100644
--- a/qse/include/qse/cmn/Mmged.hpp
+++ b/qse/include/qse/cmn/Mmged.hpp
@@ -28,7 +28,6 @@
 #define _QSE_CMN_MMGED_HPP_
 
 #include <qse/cmn/Mmgr.hpp>
-#include <qse/cmn/StdMmgr.hpp>
 
 /////////////////////////////////
 QSE_BEGIN_NAMESPACE(QSE)
diff --git a/qse/include/qse/cmn/tmr.h b/qse/include/qse/cmn/tmr.h
index 67a9a197..258bf0be 100644
--- a/qse/include/qse/cmn/tmr.h
+++ b/qse/include/qse/cmn/tmr.h
@@ -65,7 +65,7 @@ struct qse_tmr_event_t
 	qse_tmr_updater_t  updater;
 };
 
-#define QSE_TMR_INVALID_INDEX ((qse_size_t)-1)
+#define QSE_TMR_INVALID_INDEX ((qse_tmr_index_t)-1)
 
 #define QSE_TMR_SIZE(tmr) ((tmr)->size)
 #define QSE_TMR_CAPA(tmr) ((tmr)->capa);