diff --git a/ocw/lib/ec2.py b/ocw/lib/ec2.py
index 6d35e34f..a14b258b 100644
--- a/ocw/lib/ec2.py
+++ b/ocw/lib/ec2.py
@@ -256,8 +256,7 @@ def delete_routing_tables(self, region: str, vpc_id: str) -> None:
                     else:
                         self.log_info(f"Delete route {route_table['RouteTableId']}")
                         self.log_dbg(route)
-                        self.ec2_client(region).delete_route(RouteTableId=route_table['RouteTableId'],
-                                                             DestinationCidrBlock=route['DestinationCidrBlock'])
+                        self.ec2_client(region).delete_route(RouteTableId=route_table['RouteTableId'])
             if route_table['Associations'] == []:
                 if self.dry_run:
                     self.log_info(f"{route_table['RouteTableId']} routing table will not be deleted due to dry_run mode")
diff --git a/tests/test_ec2.py b/tests/test_ec2.py
index 7723caa8..c401b09e 100644
--- a/tests/test_ec2.py
+++ b/tests/test_ec2.py
@@ -170,7 +170,7 @@ def disassociate_route_table(self, AssociationId):
     def describe_route_tables(self, Filters):
         return MockedEC2Client.routing_tables
 
-    def delete_route(self, RouteTableId, DestinationCidrBlock):
+    def delete_route(self, RouteTableId):
         if RouteTableId == '2':
             MockedEC2Client.delete_route_called = True