diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a843a55..da27ece0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 ### Minor changes and fixes
 
 * Translations updates: german.
+* Performance: don't send markers, even if requested by the sender.
 
 ## 10.2.0
 
diff --git a/conversejs/lib/converse-params.ts b/conversejs/lib/converse-params.ts
index cde841ed..e7ef1c06 100644
--- a/conversejs/lib/converse-params.ts
+++ b/conversejs/lib/converse-params.ts
@@ -96,6 +96,7 @@ function defaultConverseParams (
     prune_messages_above: 100, // only keep 100 message in history.
     pruning_behavior: 'unscrolled',
     colorize_username: true,
+    send_chat_markers: [],
 
     // This is a specific settings, that is used in ConverseJS customization, to force avatars loading in readonly mode.
     livechat_load_all_vcards: !!forceReadonly,