diff --git a/src/support/lockedpool.h b/src/support/lockedpool.h
--- a/src/support/lockedpool.h
+++ b/src/support/lockedpool.h
@@ -5,7 +5,7 @@
 #ifndef BITCOIN_SUPPORT_LOCKEDPOOL_H
 #define BITCOIN_SUPPORT_LOCKEDPOOL_H
 
-#include <cstdint>
+#include <cstddef>
 #include <list>
 #include <map>
 #include <memory>
diff --git a/src/support/lockedpool.cpp b/src/support/lockedpool.cpp
--- a/src/support/lockedpool.cpp
+++ b/src/support/lockedpool.cpp
@@ -22,6 +22,9 @@
 #endif
 
 #include <algorithm>
+#include <limits>
+#include <stdexcept>
+#include <utility>
 #ifdef ARENA_DEBUG
 #include <iomanip>
 #include <iostream>