diff --git a/contrib/pg_upgrade/pg_upgrade.c b/contrib/pg_upgrade/pg_upgrade.c
index 430e74e5f95..0dd7de6337d 100644
--- a/contrib/pg_upgrade/pg_upgrade.c
+++ b/contrib/pg_upgrade/pg_upgrade.c
@@ -293,7 +293,7 @@ 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 1ade239e11a..5aa6b6c5e3b 100644
--- a/src/bin/pg_resetxlog/pg_resetxlog.c
+++ b/src/bin/pg_resetxlog/pg_resetxlog.c
@@ -1191,7 +1191,7 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION *processInfo, const char
 }
 #endif
 
-void
+static void
 get_restricted_token(const char *progname)
 {
 #ifdef WIN32