Avoid polluting global namespace

1 files changed, 1 insertions, 1 deletions

diff --git a/searchcore/src/apps/vespa-feed-bm/pending_tracker.h b/searchcore/src/apps/vespa-feed-bm/pending_tracker.h
index 2a18b759a4b..14c84e8d1dd 100644
--- a/searchcore/src/apps/vespa-feed-bm/pending_tracker.h
+++ b/searchcore/src/apps/vespa-feed-bm/pending_tracker.h
@@ -7,7 +7,6 @@
 #include <thread>
 #include <chrono>
 
-using namespace std::chrono_literals;
 namespace storage::spi { struct PersistenceProvider; }
 
 namespace feedbm {
@@ -31,6 +30,7 @@ public:
         _pending--;
     }
     void retain() {
+        using namespace std::chrono_literals;
         while (_pending >= _limit) {
             std::this_thread::sleep_for(1ms);
         }