diff --git a/src/indirectmap.h b/src/indirectmap.h
index 76da4a6bd..417d500bd 100644
--- a/src/indirectmap.h
+++ b/src/indirectmap.h
@@ -5,6 +5,8 @@
 #ifndef BITCOIN_INDIRECTMAP_H
 #define BITCOIN_INDIRECTMAP_H
 
+#include <map>
+
 template <class T>
 struct DereferencingComparator { bool operator()(const T a, const T b) const { return *a < *b; } };
 
diff --git a/src/memusage.h b/src/memusage.h
index 3ae9face1..24eb45046 100644
--- a/src/memusage.h
+++ b/src/memusage.h
@@ -6,9 +6,11 @@
 #define BITCOIN_MEMUSAGE_H
 
 #include <indirectmap.h>
+#include <prevector.h>
 
 #include <stdlib.h>
 
+#include <cassert>
 #include <map>
 #include <memory>
 #include <set>