diff --git a/nimble-storage/nimble-csp-api-swagger-v2.json b/nimble-storage/nimble-csp-api-swagger-v2.json
index 425c444..0589001 100644
--- a/nimble-storage/nimble-csp-api-swagger-v2.json
+++ b/nimble-storage/nimble-csp-api-swagger-v2.json
@@ -1484,12 +1484,6 @@
           "items": {
             "type": "string"
           }
-        },
-        "chap_user": {
-          "type": "string"
-        },
-        "chap_password": {
-          "type": "string"
         }
       }
     },
diff --git a/nimble-storage/nimble-csp-api-swagger-v2.yaml b/nimble-storage/nimble-csp-api-swagger-v2.yaml
index e22adfa..6a16869 100644
--- a/nimble-storage/nimble-csp-api-swagger-v2.yaml
+++ b/nimble-storage/nimble-csp-api-swagger-v2.yaml
@@ -991,10 +991,6 @@ definitions:
         uniqueItems: true
         items:
           type: string
-      chap_user:
-        type: string
-      chap_password:
-        type: string
   PublishOptions:
     type: object
     properties:
diff --git a/nimble-storage/nimble-csp-api.json b/nimble-storage/nimble-csp-api.json
index 97d9f1a..bec03b0 100644
--- a/nimble-storage/nimble-csp-api.json
+++ b/nimble-storage/nimble-csp-api.json
@@ -1684,12 +1684,6 @@
             "items" : {
               "type" : "string"
             }
-          },
-          "chap_user" : {
-            "type" : "string"
-          },
-          "chap_password" : {
-            "type" : "string"
           }
         }
       },
diff --git a/spec.md b/spec.md
index 33fd6de..70cfd01 100644
--- a/spec.md
+++ b/spec.md
@@ -348,7 +348,6 @@ PUT `/containers/v1/volumes/{id}/actions/publish`
     "target_names": ["iqn.2007-11.com.nimblestorage:group-array1-g3b5de80e54af7a6b"]
 }
 ```
- * Note that `chap_user` and `chap_password` must also be part of the response if CHAP details were provided as part of the Node definition.
  * `target_names`  should be returned as an array of target IQNs from CSP and converted to CSV format by CSI driver.
 
  #### Response for multiple target IQNs
@@ -969,8 +968,6 @@ GET http://localhost:8080/csp/containers/v1/replication_partners
 | | PeerArrayDetails | list\<SecondaryLunInfo\> | X | | X|
 | | target_names | list\<string\> | only for iscsi | | X |
 | | discovery_ips | list\<string\> | only for iscsi | | X |
-| | chap_user | string | only for iscsi | | X |
-| | chap_password | string | only for iscsi | | X |
 |  SecondaryLunInfo | | | | | |
 | | lun_id | number | X | X |
 | | target_names | list\<string\> | only for iscsi | | X |