diff --git a/Database-Features/analyzing-disk-i-o-and-concurrency-based-on-last-day-data.md b/Database-Features/analyzing-disk-i-o-and-concurrency-based-on-last-day-data.md
index f6399db..6f669c4 100644
--- a/Database-Features/analyzing-disk-i-o-and-concurrency-based-on-last-day-data.md
+++ b/Database-Features/analyzing-disk-i-o-and-concurrency-based-on-last-day-data.md
@@ -148,10 +148,6 @@ order by 1
 ```
 ## Additional References
 
-<https://www.exasol.com/support/browse/EXASOL-1598>
-
-<https://www.exasol.com/support/browse/EXASOL-2373>
-
 [Statistical System Tables](https://docs.exasol.com/sql_references/metadata/statistical_system_table.htm)
 
-*We appreciate your input! Share your knowledge by contributing to the Knowledge Base directly in [GitHub](https://github.com/exasol/public-knowledgebase).* 
\ No newline at end of file
+*We appreciate your input! Share your knowledge by contributing to the Knowledge Base directly in [GitHub](https://github.com/exasol/public-knowledgebase).*