diff --git a/src/folder/hierarchicalfoldermatcher.cpp b/src/folder/hierarchicalfoldermatcher.cpp
index 5079971..d562781 100644
--- a/src/folder/hierarchicalfoldermatcher.cpp
+++ b/src/folder/hierarchicalfoldermatcher.cpp
@@ -11,9 +11,7 @@
 #include <QModelIndex>
 #include <QRegularExpression>
 
-namespace MailCommon
-{
-
+using namespace MailCommon;
 HierarchicalFolderMatcher::HierarchicalFolderMatcher()
 {
 }
@@ -99,5 +97,3 @@ QModelIndex HierarchicalFolderMatcher::findFirstMatch(const QAbstractItemModel *
 
     return result;
 }
-
-}