diff --git a/posthog/api/insight.py b/posthog/api/insight.py
index d0d540b2fcdbc3..a3c4b06cd4c1f7 100644
--- a/posthog/api/insight.py
+++ b/posthog/api/insight.py
@@ -335,7 +335,6 @@ def create(self, validated_data: dict, *args: Any, **kwargs: Any) -> Insight:
                     raise serializers.ValidationError("Dashboard not found")
 
                 DashboardTile.objects.create(insight=insight, dashboard=dashboard, last_refresh=now())
-                insight.last_refresh = now()  # set last refresh if the insight is on at least one dashboard
 
         # Manual tag creation since this create method doesn't call super()
         self._attempt_set_tags(tags, insight)
diff --git a/posthog/models/insight.py b/posthog/models/insight.py
index a3bc310cb70099..8a123680dfcd0d 100644
--- a/posthog/models/insight.py
+++ b/posthog/models/insight.py
@@ -43,7 +43,6 @@ class Insight(models.Model):
     deleted: models.BooleanField = models.BooleanField(default=False)
     saved: models.BooleanField = models.BooleanField(default=False)
     created_at: models.DateTimeField = models.DateTimeField(null=True, blank=True, auto_now_add=True)
-    last_refresh: models.DateTimeField = models.DateTimeField(blank=True, null=True)
     refreshing: models.BooleanField = models.BooleanField(default=False)
     created_by: models.ForeignKey = models.ForeignKey("User", on_delete=models.SET_NULL, null=True, blank=True)
     # Indicates if it's a sample graph generated by dashboard templates
@@ -69,6 +68,8 @@ class Insight(models.Model):
         null=True,
         blank=True,
     )
+    # DEPRECATED: within cached results package now
+    last_refresh: models.DateTimeField = models.DateTimeField(blank=True, null=True)
     # DEPRECATED: on dashboard_insight now
     layouts: models.JSONField = models.JSONField(default=dict)
     # DEPRECATED: on dashboard_insight now