diff --git a/src/database/queries/delete_tts_model.rs b/src/database/queries/delete_tts_model.rs
index 47507def96..7ec6622aed 100644
--- a/src/database/queries/delete_tts_model.rs
+++ b/src/database/queries/delete_tts_model.rs
@@ -3,17 +3,20 @@ use sqlx::MySqlPool;
 
 pub async fn delete_tts_model_as_user(
   tts_model_token: &str,
+  creator_ip_address: &str,
   mysql_pool: &MySqlPool,
 ) -> AnyhowResult<()> {
   let _r = sqlx::query!(
         r#"
 UPDATE tts_models
 SET
+  creator_ip_address_last_update = ?,
   user_deleted_at = CURRENT_TIMESTAMP
 WHERE
   token = ?
 LIMIT 1
         "#,
+      creator_ip_address,
       tts_model_token,
     )
       .execute(mysql_pool)
@@ -46,17 +49,20 @@ LIMIT 1
 
 pub async fn undelete_tts_model_as_user(
   tts_model_token: &str,
+  creator_ip_address: &str,
   mysql_pool: &MySqlPool,
 ) -> AnyhowResult<()> {
   let _r = sqlx::query!(
         r#"
 UPDATE tts_models
 SET
+  creator_ip_address_last_update = ?,
   user_deleted_at = NULL
 WHERE
   token = ?
 LIMIT 1
         "#,
+      creator_ip_address,
       tts_model_token,
     )
       .execute(mysql_pool)
diff --git a/src/http_server/endpoints/tts/delete_tts_model.rs b/src/http_server/endpoints/tts/delete_tts_model.rs
index 4e3d77d9d3..5beaf9c408 100644
--- a/src/http_server/endpoints/tts/delete_tts_model.rs
+++ b/src/http_server/endpoints/tts/delete_tts_model.rs
@@ -118,8 +118,7 @@ pub async fn delete_tts_model_handler(
     return Err(DeleteTtsModelError::NotAuthorized);
   }
 
-  // NB: I can't imagine we need to store this.
-  // let ip_address = get_request_ip(&http_request);
+  let ip_address = get_request_ip(&http_request);
 
   let as_mod = delete_as_mod(is_mod, is_author, request.as_mod);
 
@@ -133,7 +132,8 @@ pub async fn delete_tts_model_handler(
     } else {
       delete_tts_model_as_user(
         &path.token,
-        &server_state.mysql_pool
+        &ip_address,
+        &server_state.mysql_pool,
       ).await
     }
   } else {
@@ -147,6 +147,7 @@ pub async fn delete_tts_model_handler(
       // NB: Technically only mods can see their own inference_results here
       undelete_tts_model_as_user(
         &path.token,
+        &ip_address,
         &server_state.mysql_pool
       ).await
     }