diff --git a/pg_stat_monitor.c b/pg_stat_monitor.c
index 90a07ff..418ba78 100644
--- a/pg_stat_monitor.c
+++ b/pg_stat_monitor.c
@@ -94,8 +94,6 @@ static ExecutorCheckPerms_hook_type prev_ExecutorCheckPerms_hook = NULL;
 
 PG_FUNCTION_INFO_V1(pg_stat_monitor_version);
 PG_FUNCTION_INFO_V1(pg_stat_monitor_reset);
-PG_FUNCTION_INFO_V1(pg_stat_monitor_1_2);
-PG_FUNCTION_INFO_V1(pg_stat_monitor_1_3);
 PG_FUNCTION_INFO_V1(pg_stat_monitor);
 PG_FUNCTION_INFO_V1(pg_stat_monitor_settings);
 PG_FUNCTION_INFO_V1(get_histogram_timings);