diff --git a/library/trees/centroid_decomp.hpp b/library/trees/uncommon/centroid_decomp.hpp
similarity index 100%
rename from library/trees/centroid_decomp.hpp
rename to library/trees/uncommon/centroid_decomp.hpp
diff --git a/library/trees/uncommon/count_paths_per_node.hpp b/library/trees/uncommon/count_paths_per_node.hpp
index e7a379ca..9f96ca1c 100644
--- a/library/trees/uncommon/count_paths_per_node.hpp
+++ b/library/trees/uncommon/count_paths_per_node.hpp
@@ -1,5 +1,5 @@
 #pragma once
-#include "../centroid_decomp.hpp"
+#include "centroid_decomp.hpp"
 //! @param adj unrooted, connected forest
 //! @param k number of edges
 //! @returns array `num_paths` where `num_paths[i]` =
diff --git a/tests/library_checker_aizu_tests/cd_asserts.hpp b/tests/library_checker_aizu_tests/cd_asserts.hpp
index 8dcb6820..db3ecddd 100644
--- a/tests/library_checker_aizu_tests/cd_asserts.hpp
+++ b/tests/library_checker_aizu_tests/cd_asserts.hpp
@@ -1,5 +1,5 @@
 #pragma once
-#include "../../library/trees/centroid_decomp.hpp"
+#include "../../library/trees/uncommon/centroid_decomp.hpp"
 void cd_asserts(const vector<vector<int>>& adj) {
   vector<int> decomp_size(sz(adj), -1);
   vector<int> naive_par_decomp(sz(adj), -1);