diff --git a/include/bitcoin/system/impl/machine/stack.ipp b/include/bitcoin/system/impl/machine/stack.ipp
index f81821e4c4..a555d07522 100644
--- a/include/bitcoin/system/impl/machine/stack.ipp
+++ b/include/bitcoin/system/impl/machine/stack.ipp
@@ -20,11 +20,9 @@
 #define LIBBITCOIN_SYSTEM_MACHINE_STACK_IPP
 
 #include <iterator>
-#include <list>
 #include <type_traits>
 #include <utility>
 #include <variant>
-#include <vector>
 #include <bitcoin/system/data/data.hpp>
 #include <bitcoin/system/define.hpp>
 #include <bitcoin/system/machine/number.hpp>
diff --git a/test/data/collection.cpp b/test/data/collection.cpp
index 0233ccd679..97ead3de43 100644
--- a/test/data/collection.cpp
+++ b/test/data/collection.cpp
@@ -18,7 +18,7 @@
  */
 #include "../test.hpp"
 #include <array>
-#include <list>
+#include <deque>
 #include <vector>
 
 BOOST_AUTO_TEST_SUITE(collection_tests)
@@ -191,7 +191,7 @@ BOOST_AUTO_TEST_CASE(collection__pop__multiple__popped_expected)
 }
 
 // pop_front
-using data_queue = std::list<uint8_t>;
+using data_queue = std::deque<uint8_t>;
 
 BOOST_AUTO_TEST_CASE(collection__pop_front__empty__empty_default)
 {