diff --git a/examples/basic_example.jl b/examples/basic_example.jl
index d327dd0..b96aed7 100644
--- a/examples/basic_example.jl
+++ b/examples/basic_example.jl
@@ -34,8 +34,8 @@ chunksizes = isroot ? distribute_evenly(size(csr, 1), nprow * npcol) : nothing
 # SuperLUDIST.superlu_set_num_threads(Int64, 1)
 
 # If constructing from existing per-node data the following constructors will help:
-# A = DistributedSuperMatrix(store::CSRStore, firstrow, globalsize::NTuple{2, Int})
 # store = CSRStore(ptrs, indices, values, localsize::NTuple{2, Int})
+# A = DistributedSuperMatrix(store::CSRStore, firstrow, globalsize::NTuple{2, Int})
 # @show iam csr
 A = Communication.scatterstore!(
     DistributedSuperMatrix{Float64, Int64}(grid), csr, chunksizes; root);
diff --git a/src/lowlevel.jl b/src/lowlevel.jl
index e5a9144..8677786 100644
--- a/src/lowlevel.jl
+++ b/src/lowlevel.jl
@@ -62,17 +62,17 @@ L = Symbol(String(:SuperLU_) * String(I))
             !MPI.Finalized() && ScalePermstructFree(x)
         end
     end
-    function LUstructFree(r::Base.RefValue{$(prefixname(T, :LUstruct_t)){$I}})
+    function LUstructFree(r::$(prefixname(T, :LUstruct_t)){$I})
         $L.$(prefixname(T, :LUstructFree))(r)
     end
-    function Destroy_LU(r::Base.RefValue{$(prefixname(T, :LUstruct_t)){$I}}, n, grid)
+    function Destroy_LU(r::$(prefixname(T, :LUstruct_t)){$I}, n, grid)
         $L.$(prefixname(T, :Destroy_LU))(n, grid, r) # why do I have to grid.grid here?!
     end
     function LUstructInit(r::$(prefixname(T, :LUstruct_t)){$I}, n, grid)
         $L.$(prefixname(T, :LUstructInit))(n, r)
         return finalizer(r) do x
-            # !MPI.Finalized() && Destroy_LU(x, n, grid)
-            # !MPI.Finalized() && LUstructFree(x)
+            !MPI.Finalized() && Destroy_LU(x, n, grid)
+            !MPI.Finalized() && LUstructFree(x)
         end
     end
 end