diff --git a/docs/source/usage_statistics.md b/docs/source/usage_statistics.md
index 9761e03e..5bce0b38 100644
--- a/docs/source/usage_statistics.md
+++ b/docs/source/usage_statistics.md
@@ -15,7 +15,6 @@ As of release 2.1.2 this is an example of the data collected:
 {
   "event_type": "start",
   "disable_grammar_support": false,
-  "json_output": false,
   "max_batch_prefill_tokens": 4096,
   "max_batch_size": null,
   "max_batch_total_tokens": null,
@@ -31,7 +30,6 @@ As of release 2.1.2 this is an example of the data collected:
   "model_config": {
       "model_type": "bloom"
   },
-  "ngrok": false,
   "revision": null,
   "tokenizer_class": "BloomTokenizerFast",
   "validation_workers": 2,
diff --git a/router/src/main.rs b/router/src/main.rs
index 406bfe4f..f6e04123 100644
--- a/router/src/main.rs
+++ b/router/src/main.rs
@@ -402,8 +402,6 @@ async fn main() -> Result<(), RouterError> {
             max_batch_size,
             revision,
             validation_workers,
-            json_output,
-            ngrok,
             messages_api_enabled,
             disable_grammar_support,
             max_client_batch_size,
diff --git a/router/src/usage_stats.rs b/router/src/usage_stats.rs
index 47aee6f3..dda58bd8 100644
--- a/router/src/usage_stats.rs
+++ b/router/src/usage_stats.rs
@@ -74,8 +74,6 @@ pub struct Args {
     max_batch_size: Option<usize>,
     revision: Option<String>,
     validation_workers: usize,
-    json_output: bool,
-    ngrok: bool,
     messages_api_enabled: bool,
     disable_grammar_support: bool,
     max_client_batch_size: usize,
@@ -101,8 +99,6 @@ impl Args {
         max_batch_size: Option<usize>,
         revision: Option<String>,
         validation_workers: usize,
-        json_output: bool,
-        ngrok: bool,
         messages_api_enabled: bool,
         disable_grammar_support: bool,
         max_client_batch_size: usize,
@@ -125,8 +121,6 @@ impl Args {
             max_batch_size,
             revision,
             validation_workers,
-            json_output,
-            ngrok,
             messages_api_enabled,
             disable_grammar_support,
             max_client_batch_size,