diff --git a/aider/analytics.py b/aider/analytics.py
index 4d1cc519f..2a694aee8 100644
--- a/aider/analytics.py
+++ b/aider/analytics.py
@@ -119,8 +119,7 @@ class Analytics:
             return model.name.split("/")[0] + "/REDACTED"
         return None
 
-    # ai: actually, weak_model and editor_model are attributes of main_model; use them instead!
-    def event(self, event_name, main_model=None, weak_model=None, editor_model=None, **kwargs):
+    def event(self, event_name, main_model=None, **kwargs):
         if not (self.mp or self.ph) and not self.logfile:
             return
 
@@ -128,12 +127,8 @@ class Analytics:
 
         if main_model:
             properties["main_model"] = self._redact_model_name(main_model)
-
-        if weak_model:
-            properties["weak_model"] = self._redact_model_name(weak_model)
-
-        if editor_model:
-            properties["editor_model"] = self._redact_model_name(editor_model)
+            properties["weak_model"] = self._redact_model_name(main_model.weak_model)
+            properties["editor_model"] = self._redact_model_name(main_model.editor_model)
 
         properties.update(kwargs)
         properties.update(self.get_system_info())  # Add system info to all events