diff --git a/include/scalfmm/lists/lists.hpp b/include/scalfmm/lists/lists.hpp
index 34a4c858c26d8a5e9ec2dd63cba007d8a48fbec5..eb01e46b6a706a8e5c06440b3f069a1d1cdf06a8 100644
--- a/include/scalfmm/lists/lists.hpp
+++ b/include/scalfmm/lists/lists.hpp
@@ -3,8 +3,9 @@
 // File : scalfmm/lists/lists.hpp
 // --------------------------------
 #pragma once
-#ifdef _OPENMP
-#include "scalfmm/lists/omp.hpp"
-#endif
+
 #include "scalfmm/lists/policies.hpp"
 #include "scalfmm/lists/sequential.hpp"
+#ifdef _OPENMP
+#include "scalfmm/lists/omp.hpp"
+#endif
\ No newline at end of file
diff --git a/tools/trace_tree.cpp b/tools/trace_tree.cpp
index 133a04178808b7a91d2de89a83e8b78577c8b58e..4aa74054e319b259968a713b8487c91e59dd8e45 100644
--- a/tools/trace_tree.cpp
+++ b/tools/trace_tree.cpp
@@ -10,11 +10,7 @@
 #include "scalfmm/interpolation/grid_storage.hpp"
 #include "scalfmm/tools/fma_loader.hpp"
 #include "scalfmm/tools/tikz_writer.hpp"
-#include "scalfmm/tree/box.hpp"
-#include "scalfmm/tree/cell.hpp"
-#include "scalfmm/tree/group_tree_view.hpp"
-#include "scalfmm/tree/io.hpp"
-#include "scalfmm/tree/leaf_view.hpp"
+#include "scalfmm/tree/tree.hpp"
 
 #include "scalfmm/utils/sort.hpp"
 #include "tools_param.hpp"