diff --git a/osf/metrics/reporters/_base.py b/osf/metrics/reporters/_base.py
index 9ba6ddc529b..bd02ee881cf 100644
--- a/osf/metrics/reporters/_base.py
+++ b/osf/metrics/reporters/_base.py
@@ -20,7 +20,7 @@ def report(
     def run_and_record_for_month(self, report_yearmonth: YearMonth) -> None:
         reports = self.report(report_yearmonth)
         for report in reports:
-            assert str(report.report_yearmonth) == str(report_yearmonth)
+            report.report_yearmonth = report_yearmonth
             report.save()
 
 
diff --git a/osf/metrics/reporters/institutional_users.py b/osf/metrics/reporters/institutional_users.py
index 7c92102851d..abe835bcb9c 100644
--- a/osf/metrics/reporters/institutional_users.py
+++ b/osf/metrics/reporters/institutional_users.py
@@ -43,7 +43,6 @@ class _InstiUserReportHelper:
     def __post_init__(self):
         _affiliation = self.user.get_institution_affiliation(self.institution._id)
         self.report = InstitutionalUserReport(
-            report_yearmonth=self.yearmonth,
             institution_id=self.institution._id,
             user_id=self.user._id,
             user_name=self.user.fullname,
diff --git a/osf/metrics/reporters/spam_count.py b/osf/metrics/reporters/spam_count.py
index 54feae8bee5..b8f596c4a82 100644
--- a/osf/metrics/reporters/spam_count.py
+++ b/osf/metrics/reporters/spam_count.py
@@ -13,7 +13,6 @@ def report(self, report_yearmonth):
         next_month = report_yearmonth.next_month()
 
         report = SpamSummaryReport(
-            report_yearmonth=str(report_yearmonth),
             # Node Log entries
             node_confirmed_spam=NodeLog.objects.filter(
                 action=NodeLog.CONFIRM_SPAM,