diff --git a/docs/src/main/sphinx/functions/array.md b/docs/src/main/sphinx/functions/array.md
index 0cb23150e4ec..4dedee27e0b0 100644
--- a/docs/src/main/sphinx/functions/array.md
+++ b/docs/src/main/sphinx/functions/array.md
@@ -83,6 +83,8 @@ Null elements will be omitted in the result.
 :::
 
 :::{function} array_join(x, delimiter, null_replacement) -> varchar
+:noindex: true
+
 Concatenates the elements of the given array using the delimiter and an optional string to replace nulls.
 :::