diff --git a/api-ref/source/v2/parameters.yaml b/api-ref/source/v2/parameters.yaml
index 52675cfe5a8..df8d0ca0ae0 100644
--- a/api-ref/source/v2/parameters.yaml
+++ b/api-ref/source/v2/parameters.yaml
@@ -31,25 +31,12 @@ cgsnapshot_id_1:
   in: path
   required: false
   type: string
-consistencygroup_id_2:
-  description: |
-    The ID of the consistency group.
-  in: path
-  required: false
-  type: string
 encryption_id:
   description: |
     The ID of the encryption type.
   in: path
   required: true
   type: string
-force_3:
-  description: |
-    To delete a QoS specification even if it is in-
-    use, set to ``true``. Default is ``false``.
-  in: path
-  required: false
-  type: boolean
 hostname:
   description: |
     The name of the host that hosts the storage back
@@ -108,13 +95,6 @@ transfer_id:
   in: path
   required: false
   type: string
-user_id_1:
-  description: |
-    The user ID. Specify in the URI as
-    ``user_id={user_id}``.
-  in: path
-  required: false
-  type: string
 vol_type_id:
   description: |
     The UUID for an existing volume type.
@@ -301,18 +281,6 @@ availability_zone:
   in: body
   required: false
   type: string
-availability_zone_1:
-  description: |
-    The availability zone.
-  in: body
-  required: false
-  type: string
-availability_zone_2:
-  description: |
-    The availability zone.
-  in: body
-  required: true
-  type: string
 availability_zone_3:
   description: |
     The availability zone name.
@@ -598,15 +566,6 @@ extra_specs:
   in: body
   required: true
   type: object
-extra_specs_1:
-  description: |
-    A key and value pair that contains additional
-    specifications that are associated with the volume type. Examples
-    include capabilities, capacity, compression, and so on, depending
-    on the storage driver in use.
-  in: body
-  required: true
-  type: object
 fail_reason:
   description: |
     If the backup failed, the reason for the failure.
diff --git a/api-ref/source/v3/parameters.yaml b/api-ref/source/v3/parameters.yaml
index 85186f17aaf..fdd78c603c6 100644
--- a/api-ref/source/v3/parameters.yaml
+++ b/api-ref/source/v3/parameters.yaml
@@ -169,13 +169,6 @@ transfer_id:
   in: path
   required: true
   type: string
-user_id_1:
-  description: |
-    The user ID. Specify in the URI as
-    ``user_id={user_id}``.
-  in: path
-  required: false
-  type: string
 vol_type_id:
   description: |
     The UUID for an existing volume type.
@@ -513,18 +506,6 @@ availability_zone:
   in: body
   required: false
   type: string
-availability_zone_1:
-  description: |
-    The availability zone.
-  in: body
-  required: false
-  type: string
-availability_zone_2:
-  description: |
-    The availability zone.
-  in: body
-  required: true
-  type: string
 availability_zone_3:
   description: |
     The availability zone name.