diff --git a/atlas/models.py b/atlas/models.py
index 3c60c57d..d5cb1292 100644
--- a/atlas/models.py
+++ b/atlas/models.py
@@ -1373,21 +1373,6 @@ class SeriesImage(SeriesImageBase):
     #            "SOPInstanceUID" : f"1.2.840.1111.{image_index}"
     #        }}
 
-
-@receiver(post_save, sender=SeriesImage)
-def _populate_case_study_date_on_series_image_save(sender, instance, **kwargs):
-    if not instance.series_id:
-        return
-
-    tags = getattr(instance, "basic_dicom_tags", None) or {}
-    raw_date = tags.get("StudyDate") or tags.get("AcquisitionDate") or tags.get("SeriesDate")
-    parsed = Case._parse_dicom_date(raw_date)
-    if not parsed:
-        return
-
-    Case.objects.filter(series=instance.series, study_date__isnull=True).update(study_date=parsed)
-
-
 @receiver(pre_save, sender=SeriesImage)
 def _capture_previous_series_for_series_image(sender, instance, **kwargs):
     if not getattr(instance, "pk", None):