diff --git a/doc/src/sgml/information_schema.sgml b/doc/src/sgml/information_schema.sgml
index 4b3712e60fa..5d29d412d26 100644
--- a/doc/src/sgml/information_schema.sgml
+++ b/doc/src/sgml/information_schema.sgml
@@ -5416,12 +5416,7 @@ ORDER BY c.ordinal_position;
      <row>
       <entry><literal>commit_action</literal></entry>
       <entry><type>character_data</type></entry>
-      <entry>
-       If the table is a temporary table, then
-       <literal>PRESERVE</literal>, else null.  (The SQL standard
-       defines other commit actions for temporary tables, which are
-       not supported by <productname>PostgreSQL</>.)
-      </entry>
+      <entry>Not yet implemented</entry>
      </row>
     </tbody>
    </tgroup>
diff --git a/src/backend/catalog/information_schema.sql b/src/backend/catalog/information_schema.sql
index 8cf00acaa81..80cd091ec87 100644
--- a/src/backend/catalog/information_schema.sql
+++ b/src/backend/catalog/information_schema.sql
@@ -1862,10 +1862,7 @@ CREATE VIEW tables AS
                 THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_insertable_into,
 
            CAST(CASE WHEN t.typname IS NOT NULL THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_typed,
-           CAST(
-             CASE WHEN nc.oid = pg_my_temp_schema() THEN 'PRESERVE' -- FIXME
-                  ELSE null END
-             AS character_data) AS commit_action
+           CAST(null AS character_data) AS commit_action
 
     FROM pg_namespace nc JOIN pg_class c ON (nc.oid = c.relnamespace)
            LEFT JOIN (pg_type t JOIN pg_namespace nt ON (t.typnamespace = nt.oid)) ON (c.reloftype = t.oid)