diff --git a/src/plugins/coreplugin/locator/opendocumentsfilter.cpp b/src/plugins/coreplugin/locator/opendocumentsfilter.cpp
index 16b14ba9767..8975aeb6e0b 100644
--- a/src/plugins/coreplugin/locator/opendocumentsfilter.cpp
+++ b/src/plugins/coreplugin/locator/opendocumentsfilter.cpp
@@ -34,7 +34,6 @@
 #include <QMutexLocker>
 #include <QRegExp>
 
-using namespace Core;
 using namespace Core;
 using namespace Core::Internal;
 using namespace Utils;