diff --git a/src/plugins/coreplugin/locator/filesystemfilter.cpp b/src/plugins/coreplugin/locator/filesystemfilter.cpp
index 310414b4829..211cf535ca1 100644
--- a/src/plugins/coreplugin/locator/filesystemfilter.cpp
+++ b/src/plugins/coreplugin/locator/filesystemfilter.cpp
@@ -36,7 +36,6 @@
 
 #include <QDir>
 
-using namespace Core;
 using namespace Core;
 using namespace Core::Internal;
 
diff --git a/src/plugins/coreplugin/locator/locatorwidget.cpp b/src/plugins/coreplugin/locator/locatorwidget.cpp
index 7c42ed6202a..0f3bca6a0ad 100644
--- a/src/plugins/coreplugin/locator/locatorwidget.cpp
+++ b/src/plugins/coreplugin/locator/locatorwidget.cpp
@@ -623,11 +623,6 @@ void LocatorWidget::filterSelected()
     m_fileLineEdit->setFocus();
 }
 
-void LocatorWidget::showEvent(QShowEvent *event)
-{
-    QWidget::showEvent(event);
-}
-
 void LocatorWidget::showConfigureDialog()
 {
     ICore::showOptionsDialog(Constants::SETTINGS_CATEGORY_CORE, Constants::FILTER_OPTIONS_PAGE);
diff --git a/src/plugins/coreplugin/locator/locatorwidget.h b/src/plugins/coreplugin/locator/locatorwidget.h
index 5dd597cb133..312fb0b363a 100644
--- a/src/plugins/coreplugin/locator/locatorwidget.h
+++ b/src/plugins/coreplugin/locator/locatorwidget.h
@@ -79,8 +79,6 @@ private slots:
 private:
     bool eventFilter(QObject *obj, QEvent *event);
 
-    void showEvent(QShowEvent *e);
-
     void showCompletionList();
     void updateCompletionList(const QString &text);
     QList<ILocatorFilter*> filtersFor(const QString &text, QString &searchText);