diff --git a/include/xrpl/protocol/Sponsor.h b/include/xrpl/protocol/Sponsor.h
index ba6e4e1b93..22b97515bc 100644
--- a/include/xrpl/protocol/Sponsor.h
+++ b/include/xrpl/protocol/Sponsor.h
@@ -1,5 +1,4 @@
-#ifndef XRPL_PROTOCOL_SPONSOR_H_INCLUDED
-#define XRPL_PROTOCOL_SPONSOR_H_INCLUDED
+#pragma once
 
 #include <xrpl/protocol/AccountID.h>
 #include <xrpl/protocol/HashPrefix.h>
diff --git a/src/test/jtx/sponsor.h b/src/test/jtx/sponsor.h
index 01e3b08179..0e553299eb 100644
--- a/src/test/jtx/sponsor.h
+++ b/src/test/jtx/sponsor.h
@@ -1,5 +1,4 @@
-#ifndef XRPL_TEST_JTX_SPONSOR_H_INCLUDED
-#define XRPL_TEST_JTX_SPONSOR_H_INCLUDED
+#pragma once
 
 #include <test/jtx/Account.h>
 #include <test/jtx/Env.h>