diff --git a/go/billing/migrations/0020_transaction_type_update.py b/go/billing/migrations/0020_transaction_type_update.py
index 01e9314c8..58b24d7cf 100644
--- a/go/billing/migrations/0020_transaction_type_update.py
+++ b/go/billing/migrations/0020_transaction_type_update.py
@@ -8,14 +8,16 @@
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        messages = orm.Transaction.objects.exclude(message_direction='')
-        topups = orm.Transaction.objects.filter(message_direction='')
+        if not db.dry_run:
+            messages = orm.Transaction.objects.exclude(message_direction='')
+            topups = orm.Transaction.objects.filter(message_direction='')
 
-        messages.update(transaction_type='Message')
-        topups.update(transaction_type='Top Up')
+            messages.update(transaction_type='Message')
+            topups.update(transaction_type='Top Up')
 
     def backwards(self, orm):
-        orm.Transaction.objects.update(transaction_type=None)
+        if not db.dry_run:
+            orm.Transaction.objects.update(transaction_type=None)
 
     models = {
         u'auth.group': {
diff --git a/go/billing/migrations/0023_auto__del_unique_messagecost_account_tag_pool_message_direction__add_u.py b/go/billing/migrations/0023_auto__del_unique_messagecost_account_tag_pool_message_direction__add_u.py
index 324c88a9b..7539329b3 100644
--- a/go/billing/migrations/0023_auto__del_unique_messagecost_account_tag_pool_message_direction__add_u.py
+++ b/go/billing/migrations/0023_auto__del_unique_messagecost_account_tag_pool_message_direction__add_u.py
@@ -3,6 +3,7 @@
 from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
+from django.db.utils import DatabaseError
 
 
 class Migration(SchemaMigration):
@@ -14,16 +15,24 @@ def forwards(self, orm):
         # Adding unique constraint on 'MessageCost', fields ['account', 'tag_pool', 'message_direction', 'provider']
         db.create_unique(u'billing_messagecost', ['account_id', 'tag_pool_id', 'message_direction', 'provider'])
 
-        # Removing index on 'MessageCost', fields ['account', 'tag_pool', 'message_direction']
-        db.delete_index(u'billing_messagecost', ['account_id', 'tag_pool_id', 'message_direction'])
+        try:
+            # Removing index on 'MessageCost', fields ['account', 'tag_pool', 'message_direction']
+            db.delete_index(u'billing_messagecost', ['account_id', 'tag_pool_id', 'message_direction'])
+        except DatabaseError as e:
+            if not str(e).startswith("no such index: billing_messagecost_account_id_"):
+                raise
 
         # Adding index on 'MessageCost', fields ['account', 'tag_pool', 'message_direction', 'provider']
         db.create_index(u'billing_messagecost', ['account_id', 'tag_pool_id', 'message_direction', 'provider'])
 
 
     def backwards(self, orm):
-        # Removing index on 'MessageCost', fields ['account', 'tag_pool', 'message_direction', 'provider']
-        db.delete_index(u'billing_messagecost', ['account_id', 'tag_pool_id', 'message_direction', 'provider'])
+        try:
+            # Removing index on 'MessageCost', fields ['account', 'tag_pool', 'message_direction', 'provider']
+            db.delete_index(u'billing_messagecost', ['account_id', 'tag_pool_id', 'message_direction', 'provider'])
+        except DatabaseError as e:
+            if not str(e).startswith("no such index: billing_messagecost_account_id_"):
+                raise
 
         # Adding index on 'MessageCost', fields ['account', 'tag_pool', 'message_direction']
         db.create_index(u'billing_messagecost', ['account_id', 'tag_pool_id', 'message_direction'])
@@ -173,4 +182,4 @@ def backwards(self, orm):
         }
     }
 
-    complete_apps = ['billing']
\ No newline at end of file
+    complete_apps = ['billing']