Call type value display in reports of ratedeck page after deleted record from Call type page

Steps:

Login with portal
1. Go to Tarrif > Call type
2. Create one or two call type record
3. Now use above created call type in Ratedeck field
4. Go to Tarrif > Ratedeck
5. Now create one or two record and use call type value.
6. Now Go to Tarrif > Call type and delete Call type records.
7. Now check in Ratedeck page reports.

Expected result : Call type field value should not be display in report because Call type records are deleted.

Actual result : Call type field value is display in reports.

Note: When u inactive call type then also face this same issue. So kindly solve for this also