diff --git a/contrib/pg_upgrade/pg_upgrade.c b/contrib/pg_upgrade/pg_upgrade.c
index b1156813d3e..62764f43d33 100644
--- a/contrib/pg_upgrade/pg_upgrade.c
+++ b/contrib/pg_upgrade/pg_upgrade.c
@@ -259,7 +259,7 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION *processInfo, const char
 }
 #endif
 
-void
+static void
 get_restricted_token(const char *progname)
 {
 #ifdef WIN32
diff --git a/src/bin/pg_resetxlog/pg_resetxlog.c b/src/bin/pg_resetxlog/pg_resetxlog.c
index 02f5993bb0d..e8ae2aeacb2 100644
--- a/src/bin/pg_resetxlog/pg_resetxlog.c
+++ b/src/bin/pg_resetxlog/pg_resetxlog.c
@@ -1149,7 +1149,7 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION *processInfo, const char
 }
 #endif
 
-void
+static void
 get_restricted_token(const char *progname)
 {
 #ifdef WIN32