diff --git a/src/state.hpp b/src/state.hpp
index 20afa5fb..02e87129 100644
--- a/src/state.hpp
+++ b/src/state.hpp
@@ -35,7 +35,6 @@ public:
   {
     OpenDir()
       : ref_count(0),
-        backing_id(INVALID_BACKING_ID),
         fi(nullptr)
     {
     }