diff --git a/src/txmempool.h b/src/txmempool.h
index a4cbafd6e5ab0..0b9507b8aad3c 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -24,7 +24,6 @@
 #include "netaddress.h"
 #include "bls/bls.h"
 
-#undef foreach
 #include "boost/multi_index_container.hpp"
 #include "boost/multi_index/ordered_index.hpp"
 #include "boost/multi_index/hashed_index.hpp"