diff --git a/declarativeimports/locale/calendarsystem.cpp b/declarativeimports/locale/calendarsystem.cpp
index 7cbd0fb59..1fbfb52ad 100644
--- a/declarativeimports/locale/calendarsystem.cpp
+++ b/declarativeimports/locale/calendarsystem.cpp
@@ -66,7 +66,6 @@ QDate CalendarSystem::earliestValidDate() const
 
 QDate CalendarSystem::latestValidDate() const
 {
-    // Default to Gregorian 9999-12-31
     return m_calendarSystem->latestValidDate();
 }
 
diff --git a/declarativeimports/locale/calendarsystem.h b/declarativeimports/locale/calendarsystem.h
index a76d44fe8..1b12cd6eb 100644
--- a/declarativeimports/locale/calendarsystem.h
+++ b/declarativeimports/locale/calendarsystem.h
@@ -157,7 +157,7 @@ public:
         LongName,                 /**< Long name format, e.g. "December" */
         ShortNamePossessive,      /**< Short name possessive format, e.g. "of Dec" */
         LongNamePossessive,       /**< Long name possessive format, e.g. "of December" */
-        NarrowName                /**< Narrow name format, e.g. "D". @since 4.7 */
+        NarrowName                /**< Narrow name format, e.g. "D" */
     };
 
     /**
@@ -166,7 +166,7 @@ public:
     enum WeekDayNameFormat {
         ShortDayName,                /**< Short name format, e.g. "Fri" */
         LongDayName,                 /**< Long name format, e.g. "Friday" */
-        NarrowDayName                /**< Narrow name format, e.g. "F". @since 4.7 */
+        NarrowDayName                /**< Narrow name format, e.g. "F" */
     };
 
     /**
@@ -515,7 +515,6 @@ public:
     Q_INVOKABLE QDate firstDayOfYear(int year) const;
 
     /**
-     * @since 4.6
      *
      * Returns a QDate containing the last day of the year
      *