diff --git a/src/fuse_open.cpp b/src/fuse_open.cpp
index ba73c9de..02d4c3fc 100644
--- a/src/fuse_open.cpp
+++ b/src/fuse_open.cpp
@@ -239,7 +239,6 @@ namespace l
         backing_id = fuse_passthrough_open(fc_,fi->fd);
         if(backing_id <= 0)
           return 0;
-        foo.insert({fi->fusepath,backing_id});
       }
 
     ffi_->passthrough = true;