diff --git a/app/models/constants/case_log.rb b/app/models/constants/case_log.rb
index 3a2593314..b32c7ee04 100644
--- a/app/models/constants/case_log.rb
+++ b/app/models/constants/case_log.rb
@@ -1074,7 +1074,6 @@ module Constants::CaseLog
     "Yes" => 0,
     "No" => 1,
     "Tenant prefers not to say" => 2,
-    "Don’t know" => 3,
   }.freeze
 
   HAS_BENEFITS_OPTIONS = ["Housing benefit",
diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index 6f8c9efc3..551e7491d 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -3251,9 +3251,6 @@
                       "value": true
                     },
                     "2": {
-                      "value": "Don’t know"
-                    },
-                    "3": {
                       "value": "Tenant prefers not to say"
                     }
                   }