diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index 03da13c5f2c5..46e00f97bb02 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -47115,11 +47115,6 @@ components:
     IncidentUserDefinedFieldAttributesResponse:
       description: Attributes of an incident user-defined field.
       properties:
-        attached_to:
-          description: The resource type this field is attached to. Always "incidents".
-          example: "incidents"
-          readOnly: true
-          type: string
         category:
           $ref: "#/components/schemas/IncidentUserDefinedFieldCategory"
         collected:
@@ -47164,12 +47159,6 @@ components:
           example: "1.5"
           nullable: true
           type: string
-        prerequisite:
-          description: Reserved for future use. Always null.
-          example:
-          nullable: true
-          readOnly: true
-          type: string
         required:
           description: When true, users must fill out this field on incidents.
           example: false
@@ -47179,12 +47168,6 @@ components:
           example: false
           readOnly: true
           type: boolean
-        table_id:
-          description: Reserved for internal use. Always 0.
-          example: 0
-          format: int64
-          readOnly: true
-          type: integer
         tag_key:
           description: For metric tag-type fields only, the metric tag key that powers the autocomplete options.
           example:
@@ -47205,7 +47188,6 @@ components:
           nullable: true
           type: array
       required:
-        - attached_to
         - category
         - collected
         - created
@@ -47216,10 +47198,8 @@ components:
         - modified
         - name
         - ordinal
-        - prerequisite
         - required
         - reserved
-        - table_id
         - tag_key
         - type
         - valid_values
@@ -139523,7 +139503,6 @@ paths:
                   value:
                     data:
                       - attributes:
-                          attached_to: "incidents"
                           category: "what_happened"
                           collected: "active"
                           created: "2026-03-18T08:40:04.437887Z"
@@ -139534,10 +139513,8 @@ paths:
                           modified: "2026-03-18T08:40:04.437887Z"
                           name: "root_cause"
                           ordinal: "1.1"
-                          prerequisite:
                           required: false
                           reserved: false
-                          table_id: 0
                           tag_key:
                           type: 1
                           valid_values:
@@ -139642,7 +139619,6 @@ paths:
                   value:
                     data:
                       attributes:
-                        attached_to: "incidents"
                         category:
                         collected:
                         created: "2026-03-18T08:40:05.185406Z"
@@ -139653,10 +139629,8 @@ paths:
                         modified: "2026-03-18T08:40:05.185406Z"
                         name: "root_cause"
                         ordinal: "9"
-                        prerequisite:
                         required: false
                         reserved: false
-                        table_id: 0
                         tag_key:
                         type: 3
                         valid_values:
@@ -139773,7 +139747,6 @@ paths:
                   value:
                     data:
                       attributes:
-                        attached_to: "incidents"
                         category: "what_happened"
                         collected: "active"
                         created: "2026-03-18T08:40:04.437887Z"
@@ -139784,10 +139757,8 @@ paths:
                         modified: "2026-03-18T08:40:04.437887Z"
                         name: "root_cause"
                         ordinal: "1.1"
-                        prerequisite:
                         required: false
                         reserved: false
-                        table_id: 0
                         tag_key:
                         type: 1
                         valid_values:
@@ -139883,7 +139854,6 @@ paths:
                   value:
                     data:
                       attributes:
-                        attached_to: "incidents"
                         category: "what_happened"
                         collected:
                         created: "2026-03-18T08:39:49.913895Z"
@@ -139894,10 +139864,8 @@ paths:
                         modified: "2026-03-18T08:39:49.922909Z"
                         name: "root_cause"
                         ordinal: "8"
-                        prerequisite:
                         required: false
                         reserved: false
-                        table_id: 0
                         tag_key:
                         type: 3
                         valid_values:
diff --git a/lib/datadog_api_client/v2/models/incident_user_defined_field_attributes_response.rb b/lib/datadog_api_client/v2/models/incident_user_defined_field_attributes_response.rb
index 525f05b232b5..d7cac38d6edd 100644
--- a/lib/datadog_api_client/v2/models/incident_user_defined_field_attributes_response.rb
+++ b/lib/datadog_api_client/v2/models/incident_user_defined_field_attributes_response.rb
@@ -21,9 +21,6 @@ module DatadogAPIClient::V2
   class IncidentUserDefinedFieldAttributesResponse
     include BaseGenericModel
 
-    # The resource type this field is attached to. Always "incidents".
-    attr_reader :attached_to
-
     # The section in which the field appears: "what_happened" or "why_it_happened". When null, the field appears in the Attributes section.
     attr_accessor :category
 
@@ -54,18 +51,12 @@ class IncidentUserDefinedFieldAttributesResponse
     # A decimal string representing the field's display order in the UI.
     attr_accessor :ordinal
 
-    # Reserved for future use. Always null.
-    attr_accessor :prerequisite
-
     # When true, users must fill out this field on incidents.
     attr_reader :required
 
     # When true, this field is reserved for system use and cannot be deleted.
     attr_reader :reserved
 
-    # Reserved for internal use. Always 0.
-    attr_reader :table_id
-
     # For metric tag-type fields only, the metric tag key that powers the autocomplete options.
     attr_accessor :tag_key
 
@@ -81,7 +72,6 @@ class IncidentUserDefinedFieldAttributesResponse
     # @!visibility private
     def self.attribute_map
       {
-        :'attached_to' => :'attached_to',
         :'category' => :'category',
         :'collected' => :'collected',
         :'created' => :'created',
@@ -92,10 +82,8 @@ def self.attribute_map
         :'modified' => :'modified',
         :'name' => :'name',
         :'ordinal' => :'ordinal',
-        :'prerequisite' => :'prerequisite',
         :'required' => :'required',
         :'reserved' => :'reserved',
-        :'table_id' => :'table_id',
         :'tag_key' => :'tag_key',
         :'type' => :'type',
         :'valid_values' => :'valid_values'
@@ -106,7 +94,6 @@ def self.attribute_map
     # @!visibility private
     def self.openapi_types
       {
-        :'attached_to' => :'String',
         :'category' => :'IncidentUserDefinedFieldCategory',
         :'collected' => :'IncidentUserDefinedFieldCollected',
         :'created' => :'Time',
@@ -117,10 +104,8 @@ def self.openapi_types
         :'modified' => :'Time',
         :'name' => :'String',
         :'ordinal' => :'String',
-        :'prerequisite' => :'String',
         :'required' => :'Boolean',
         :'reserved' => :'Boolean',
-        :'table_id' => :'Integer',
         :'tag_key' => :'String',
         :'type' => :'Integer',
         :'valid_values' => :'Array<IncidentUserDefinedFieldValidValue>'
@@ -138,7 +123,6 @@ def self.openapi_nullable
         :'metadata',
         :'modified',
         :'ordinal',
-        :'prerequisite',
         :'tag_key',
         :'type',
         :'valid_values',
@@ -163,10 +147,6 @@ def initialize(attributes = {})
         end
       }
 
-      if attributes.key?(:'attached_to')
-        self.attached_to = attributes[:'attached_to']
-      end
-
       if attributes.key?(:'category')
         self.category = attributes[:'category']
       end
@@ -207,10 +187,6 @@ def initialize(attributes = {})
         self.ordinal = attributes[:'ordinal']
       end
 
-      if attributes.key?(:'prerequisite')
-        self.prerequisite = attributes[:'prerequisite']
-      end
-
       if attributes.key?(:'required')
         self.required = attributes[:'required']
       end
@@ -219,10 +195,6 @@ def initialize(attributes = {})
         self.reserved = attributes[:'reserved']
       end
 
-      if attributes.key?(:'table_id')
-        self.table_id = attributes[:'table_id']
-      end
-
       if attributes.key?(:'tag_key')
         self.tag_key = attributes[:'tag_key']
       end
@@ -242,28 +214,16 @@ def initialize(attributes = {})
     # @return true if the model is valid
     # @!visibility private
     def valid?
-      return false if @attached_to.nil?
       return false if @created.nil?
       return false if @display_name.nil?
       return false if @name.nil?
       return false if @required.nil?
       return false if @reserved.nil?
-      return false if @table_id.nil?
       return false if @type > 8
       return false if @type < 1
       true
     end
 
-    # Custom attribute writer method with validation
-    # @param attached_to [Object] Object to be assigned
-    # @!visibility private
-    def attached_to=(attached_to)
-      if attached_to.nil?
-        fail ArgumentError, 'invalid value for "attached_to", attached_to cannot be nil.'
-      end
-      @attached_to = attached_to
-    end
-
     # Custom attribute writer method with validation
     # @param created [Object] Object to be assigned
     # @!visibility private
@@ -314,16 +274,6 @@ def reserved=(reserved)
       @reserved = reserved
     end
 
-    # Custom attribute writer method with validation
-    # @param table_id [Object] Object to be assigned
-    # @!visibility private
-    def table_id=(table_id)
-      if table_id.nil?
-        fail ArgumentError, 'invalid value for "table_id", table_id cannot be nil.'
-      end
-      @table_id = table_id
-    end
-
     # Custom attribute writer method with validation
     # @param type [Object] Object to be assigned
     # @!visibility private
@@ -363,7 +313,6 @@ def to_hash
     def ==(o)
       return true if self.equal?(o)
       self.class == o.class &&
-          attached_to == o.attached_to &&
           category == o.category &&
           collected == o.collected &&
           created == o.created &&
@@ -374,10 +323,8 @@ def ==(o)
           modified == o.modified &&
           name == o.name &&
           ordinal == o.ordinal &&
-          prerequisite == o.prerequisite &&
           required == o.required &&
           reserved == o.reserved &&
-          table_id == o.table_id &&
           tag_key == o.tag_key &&
           type == o.type &&
           valid_values == o.valid_values &&
@@ -388,7 +335,7 @@ def ==(o)
     # @return [Integer] Hash code
     # @!visibility private
     def hash
-      [attached_to, category, collected, created, default_value, deleted, display_name, metadata, modified, name, ordinal, prerequisite, required, reserved, table_id, tag_key, type, valid_values, additional_properties].hash
+      [category, collected, created, default_value, deleted, display_name, metadata, modified, name, ordinal, required, reserved, tag_key, type, valid_values, additional_properties].hash
     end
   end
 end