diff --git a/libiop/bcs/merkle_tree.hpp b/libiop/bcs/merkle_tree.hpp
index 522328eb..acc78f43 100644
--- a/libiop/bcs/merkle_tree.hpp
+++ b/libiop/bcs/merkle_tree.hpp
@@ -13,7 +13,6 @@
 #include <cstddef>
 #include <numeric>
 #include <vector>
-#include <bits/stdc++.h>
 
 #include "libiop/algebra/field_subset/field_subset.hpp"
 #include "libiop/bcs/hashing/hashing.hpp"