diff --git a/src/plugins/help/helpconstants.h b/src/plugins/help/helpconstants.h
index f47d325313f..5acb6281056 100644
--- a/src/plugins/help/helpconstants.h
+++ b/src/plugins/help/helpconstants.h
@@ -6,13 +6,10 @@
 #include <QtGlobal>
 #include <QLatin1String>
 
-namespace Help {
-namespace Constants {
+namespace Help::Constants {
 
-static const QLatin1String ListSeparator("|");
-static const QLatin1String AboutBlank("about:blank");
-static const QLatin1String WeAddedFilterKey("UnfilteredFilterInserted");
-static const QLatin1String PreviousFilterNameKey("UnfilteredFilterName");
+const QLatin1String ListSeparator("|");
+const QLatin1String AboutBlank("about:blank");
 
 const int  P_MODE_HELP    = 70;
 const char ID_MODE_HELP  [] = "Help";
@@ -34,14 +31,13 @@ const char HELP_SEARCH[] = "Help.Search";
 const char HELP_BOOKMARKS[] = "Help.Bookmarks";
 const char HELP_OPENPAGES[] = "Help.OpenPages";
 
-static const char SB_INDEX[] = QT_TRANSLATE_NOOP("QtC::Help", "Index");
-static const char SB_CONTENTS[] = QT_TRANSLATE_NOOP("QtC::Help", "Contents");
-static const char SB_BOOKMARKS[] = QT_TRANSLATE_NOOP("QtC::Help", "Bookmarks");
-static const char SB_OPENPAGES[] = QT_TRANSLATE_NOOP("QtC::Help", "Open Pages");
-static const char SB_SEARCH[] = QT_TRANSLATE_NOOP("QtC::Help", "Search");
+const char SB_INDEX[] = QT_TRANSLATE_NOOP("QtC::Help", "Index");
+const char SB_CONTENTS[] = QT_TRANSLATE_NOOP("QtC::Help", "Contents");
+const char SB_BOOKMARKS[] = QT_TRANSLATE_NOOP("QtC::Help", "Bookmarks");
+const char SB_OPENPAGES[] = QT_TRANSLATE_NOOP("QtC::Help", "Open Pages");
+const char SB_SEARCH[] = QT_TRANSLATE_NOOP("QtC::Help", "Search");
 
-static const char TR_OPEN_LINK_AS_NEW_PAGE[] = QT_TRANSLATE_NOOP("QtC::Help", "Open Link as New Page");
-static const char TR_OPEN_LINK_IN_WINDOW[] = QT_TRANSLATE_NOOP("QtC::Help", "Open Link in Window");
+const char TR_OPEN_LINK_AS_NEW_PAGE[] = QT_TRANSLATE_NOOP("QtC::Help", "Open Link as New Page");
+const char TR_OPEN_LINK_IN_WINDOW[] = QT_TRANSLATE_NOOP("QtC::Help", "Open Link in Window");
 
-} // Constants
-} // Help
+} // Help::Constants