diff --git a/src/bin/psql/tab-complete.in.c b/src/bin/psql/tab-complete.in.c
index cab52f5ba08..8debf29f823 100644
--- a/src/bin/psql/tab-complete.in.c
+++ b/src/bin/psql/tab-complete.in.c
@@ -4357,7 +4357,7 @@ match_previous_words(int pattern_id,
 	else if (Matches("DROP", "INDEX", MatchAny))
 		COMPLETE_WITH("CASCADE", "RESTRICT");
 	else if (Matches("DROP", "INDEX", "CONCURRENTLY", MatchAny))
-		COMPLETE_WITH("CASCADE", "RESTRICT");
+		COMPLETE_WITH("RESTRICT");
 
 	/* DROP MATERIALIZED VIEW */
 	else if (Matches("DROP", "MATERIALIZED"))