diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index e471d7f53c..1679cda8cd 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -229,8 +229,6 @@ static const struct config_enum_entry client_message_level_options[] = {
 	{"notice", NOTICE, false},
 	{"warning", WARNING, false},
 	{"error", ERROR, false},
-	{"fatal", FATAL, true},
-	{"panic", PANIC, true},
 	{NULL, 0, false}
 };