diff --git a/contrib/pg_upgrade/pg_upgrade.c b/contrib/pg_upgrade/pg_upgrade.c
index 55b03bcd512..c67ca19cb51 100644
--- a/contrib/pg_upgrade/pg_upgrade.c
+++ b/contrib/pg_upgrade/pg_upgrade.c
@@ -294,7 +294,7 @@ 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 3e25c3c34c5..34615fb1cd9 100644
--- a/src/bin/pg_resetxlog/pg_resetxlog.c
+++ b/src/bin/pg_resetxlog/pg_resetxlog.c
@@ -1147,7 +1147,7 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION *processInfo, const char
 }
 #endif
 
-void
+static void
 get_restricted_token(const char *progname)
 {
 #ifdef WIN32