diff --git a/src/libs/utils/runextensions.h b/src/libs/utils/runextensions.h
index 9f5d88a6a12..82854abd731 100644
--- a/src/libs/utils/runextensions.h
+++ b/src/libs/utils/runextensions.h
@@ -520,6 +520,16 @@ void blockingMapReduce(QFutureInterface<ReduceResult> futureInterface, const Con
     futureInterface.reportFinished();
 }
 
+template <typename ResultType, typename Function, typename... Args>
+void runAsyncImpl(QFutureInterface<ResultType> futureInterface, const Function &function, const Args&... args)
+{
+    futureInterface.reportStarted();
+    function(futureInterface, args...);
+    if (futureInterface.isPaused())
+        futureInterface.waitForResume();
+    futureInterface.reportFinished();
+}
+
 } // Internal
 
 template <typename ReduceResult, typename Container, typename InitFunction, typename MapFunction,
@@ -547,6 +557,15 @@ QFuture<ReduceResult> mapReduce(const Container &container, const InitFunction &
     return future;
 }
 
+template <typename ResultType, typename Function, typename... Args>
+QFuture<ResultType> runAsync(Function &&function, Args&&... args)
+{
+    QFutureInterface<ResultType> futureInterface;
+    std::thread(Internal::runAsyncImpl<ResultType,Function,Args...>, futureInterface,
+                std::forward<Function>(function), std::forward<Args>(args)...).detach();
+    return futureInterface.future();
+}
+
 } // Utils
 
 #endif // RUNEXTENSIONS_H
diff --git a/src/plugins/coreplugin/locator/locatorfiltertest.cpp b/src/plugins/coreplugin/locator/locatorfiltertest.cpp
index 18a960b4eea..641acc85a92 100644
--- a/src/plugins/coreplugin/locator/locatorfiltertest.cpp
+++ b/src/plugins/coreplugin/locator/locatorfiltertest.cpp
@@ -51,8 +51,9 @@ QList<LocatorFilterEntry> BasicLocatorFilterTest::matchesFor(const QString &sear
     doBeforeLocatorRun();
     const QList<ILocatorFilter *> filters = QList<ILocatorFilter *>() << m_filter;
     m_filter->prepareSearch(searchText);
-    QFuture<LocatorFilterEntry> locatorSearch = QtConcurrent::run(Internal::runSearch,
-                                                           filters, searchText);
+    QFuture<LocatorFilterEntry> locatorSearch = Utils::runAsync<LocatorFilterEntry>(&Internal::runSearch,
+                                                                                    filters,
+                                                                                    searchText);
     locatorSearch.waitForFinished();
     doAfterLocatorRun();
     return locatorSearch.results();
diff --git a/src/plugins/coreplugin/locator/locatorsearchutils.cpp b/src/plugins/coreplugin/locator/locatorsearchutils.cpp
index b46e784996a..8cda9dee03c 100644
--- a/src/plugins/coreplugin/locator/locatorsearchutils.cpp
+++ b/src/plugins/coreplugin/locator/locatorsearchutils.cpp
@@ -47,7 +47,7 @@ uint qHash(const LocatorFilterEntry &entry)
 } // namespace Core
 
 void Core::Internal::runSearch(QFutureInterface<Core::LocatorFilterEntry> &future,
-                                  QList<ILocatorFilter *> filters, QString searchText)
+                               const QList<ILocatorFilter *> &filters, const QString &searchText)
 {
     QSet<LocatorFilterEntry> alreadyAdded;
     const bool checkDuplicates = (filters.size() > 1);
diff --git a/src/plugins/coreplugin/locator/locatorsearchutils.h b/src/plugins/coreplugin/locator/locatorsearchutils.h
index 88ab089318e..8d545d0dba3 100644
--- a/src/plugins/coreplugin/locator/locatorsearchutils.h
+++ b/src/plugins/coreplugin/locator/locatorsearchutils.h
@@ -37,8 +37,8 @@ namespace Core {
 namespace Internal {
 
 void CORE_EXPORT runSearch(QFutureInterface<LocatorFilterEntry> &future,
-                              QList<ILocatorFilter *> filters,
-                              QString searchText);
+                              const QList<ILocatorFilter *> &filters,
+                              const QString &searchText);
 
 } // namespace Internal
 } // namespace Core
diff --git a/src/plugins/coreplugin/locator/locatorwidget.cpp b/src/plugins/coreplugin/locator/locatorwidget.cpp
index 02ac98f2ef6..7760b0e0838 100644
--- a/src/plugins/coreplugin/locator/locatorwidget.cpp
+++ b/src/plugins/coreplugin/locator/locatorwidget.cpp
@@ -524,7 +524,8 @@ void LocatorWidget::updateCompletionList(const QString &text)
 
     foreach (ILocatorFilter *filter, filters)
         filter->prepareSearch(searchText);
-    QFuture<LocatorFilterEntry> future = QtConcurrent::run(runSearch, filters, searchText);
+    QFuture<LocatorFilterEntry> future = Utils::runAsync<LocatorFilterEntry>(&runSearch, filters,
+                                                                             QString(searchText));
     m_entriesWatcher->setFuture(future);
 }