diff --git a/app/main/views/dashboard.py b/app/main/views/dashboard.py
index 90de7ae15..ac4ff69db 100644
--- a/app/main/views/dashboard.py
+++ b/app/main/views/dashboard.py
@@ -406,7 +406,6 @@ def get_sum_billing_units(billing_units, month=None):
 
 def get_free_paid_breakdown_for_billable_units(year, free_sms_fragment_limit, billing_units):
     cumulative = 0
-    letter_cumulative = 0
     sms_units = [x for x in billing_units if x['notification_type'] == 'sms']
     letter_units = [x for x in billing_units if x['notification_type'] == 'letter']
     for month in get_months_for_financial_year(year):
@@ -424,11 +423,9 @@ def get_free_paid_breakdown_for_billable_units(year, free_sms_fragment_limit, bi
         letter_total = 0
         for x in letter_billing:
             letter_total += x.cost
-            letter_cumulative += letter_total
         yield {
             'name': month,
             'letter_total': letter_total,
-            'letter_cumulative': letter_cumulative,
             'paid': breakdown['paid'],
             'free': breakdown['free'],
             'letters': letter_billing
diff --git a/tests/app/main/views/test_dashboard.py b/tests/app/main/views/test_dashboard.py
index 8939ae9d3..d61101f96 100644
--- a/tests/app/main/views/test_dashboard.py
+++ b/tests/app/main/views/test_dashboard.py
@@ -1595,18 +1595,18 @@ def test_get_free_paid_breakdown_for_billable_units(now, expected_number_of_mont
             ]
         )
         assert list(billing_units) == [
-            {'free': 100000, 'name': 'April', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 100000, 'name': 'May', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 50000, 'name': 'June', 'paid': 50000, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 0, 'name': 'July', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 0, 'name': 'August', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 0, 'name': 'September', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 0, 'name': 'October', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 0, 'name': 'November', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 0, 'name': 'December', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 0, 'name': 'January', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 0, 'name': 'February', 'paid': 2000, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0},
-            {'free': 0, 'name': 'March', 'paid': 0, 'letter_total': 0, 'letters': [], 'letter_cumulative': 0}
+            {'free': 100000, 'name': 'April', 'paid': 0, 'letter_total': 0, 'letters': []},
+            {'free': 100000, 'name': 'May', 'paid': 0, 'letter_total': 0, 'letters': []},
+            {'free': 50000, 'name': 'June', 'paid': 50000, 'letter_total': 0, 'letters': []},
+            {'free': 0, 'name': 'July', 'paid': 0, 'letter_total': 0, 'letters': []},
+            {'free': 0, 'name': 'August', 'paid': 0, 'letter_total': 0, 'letters': []},
+            {'free': 0, 'name': 'September', 'paid': 0, 'letter_total': 0, 'letters': []},
+            {'free': 0, 'name': 'October', 'paid': 0, 'letter_total': 0, 'letters': []},
+            {'free': 0, 'name': 'November', 'paid': 0, 'letter_total': 0, 'letters': []},
+            {'free': 0, 'name': 'December', 'paid': 0, 'letter_total': 0, 'letters': []},
+            {'free': 0, 'name': 'January', 'paid': 0, 'letter_total': 0, 'letters': []},
+            {'free': 0, 'name': 'February', 'paid': 2000, 'letter_total': 0, 'letters': []},
+            {'free': 0, 'name': 'March', 'paid': 0, 'letter_total': 0, 'letters': []}
         ][:expected_number_of_months]