diff --git a/br/br-snapshot-guide.md b/br/br-snapshot-guide.md
index cbb90029054ca..d4b0ec67ad49b 100644
--- a/br/br-snapshot-guide.md
+++ b/br/br-snapshot-guide.md
@@ -162,7 +162,6 @@ tiup br restore full \
 | gc_delete_range                                     |
 | gc_delete_range_done                                |
 | global_variables                                    |
-| schema_index_usage                                  |
 | stats_buckets                                       |
 | stats_extended                                      |
 | stats_feedback                                      |
diff --git a/mysql-schema/mysql-schema.md b/mysql-schema/mysql-schema.md
index b8144ddcafe33..96d9adba68921 100644
--- a/mysql-schema/mysql-schema.md
+++ b/mysql-schema/mysql-schema.md
@@ -50,7 +50,6 @@ Currently, the `help_topic` is NULL.
 - `stats_fm_sketch`: the FMSketch distribution of the histogram of the statistics column
 - `analyze_options`: the default `analyze` options for each table
 - `column_stats_usage`: the usage of column statistics
-- `schema_index_usage`: the usage of indexes
 - `analyze_jobs`: the ongoing statistics collection tasks and the history task records within the last 7 days
 
 ## Execution plan-related system tables