diff --git a/src/corelib/io/qdir.cpp b/src/corelib/io/qdir.cpp
index 76336ef384..639693346d 100644
--- a/src/corelib/io/qdir.cpp
+++ b/src/corelib/io/qdir.cpp
@@ -1099,7 +1099,7 @@ void QDir::setSearchPaths(const QString &prefix, const QStringList &searchPaths)
     }
 
     QWriteLocker lock(&QCoreGlobalData::instance()->dirSearchPathsLock);
-    QMap<QString, QStringList> &paths = QCoreGlobalData::instance()->dirSearchPaths;
+    QHash<QString, QStringList> &paths = QCoreGlobalData::instance()->dirSearchPaths;
     if (searchPaths.isEmpty()) {
         paths.remove(prefix);
     } else {
diff --git a/src/corelib/kernel/qcoreglobaldata_p.h b/src/corelib/kernel/qcoreglobaldata_p.h
index 35b576f546..4403c2ebdd 100644
--- a/src/corelib/kernel/qcoreglobaldata_p.h
+++ b/src/corelib/kernel/qcoreglobaldata_p.h
@@ -52,7 +52,6 @@
 //
 
 #include <QtCore/private/qglobal_p.h>
-#include "QtCore/qmap.h"
 #include "QtCore/qstringlist.h"
 #include "QtCore/qreadwritelock.h"
 #include "QtCore/qhash.h"
@@ -66,7 +65,7 @@ struct QCoreGlobalData
     QCoreGlobalData();
     ~QCoreGlobalData();
 
-    QMap<QString, QStringList> dirSearchPaths;
+    QHash<QString, QStringList> dirSearchPaths;
     QReadWriteLock dirSearchPathsLock;
 
     static QCoreGlobalData *instance();