diff --git a/src/libs/antares/study/area/list.cpp b/src/libs/antares/study/area/list.cpp
index d16c6e9ab6..b63d291ff5 100644
--- a/src/libs/antares/study/area/list.cpp
+++ b/src/libs/antares/study/area/list.cpp
@@ -470,7 +470,6 @@ void AreaList::rebuildIndexes()
 
     if (!areas.empty())
     {
-        using AreaWeakPtr = Area*;
         byIndex.resize(areas.size());
 
         uint indx = 0;