diff --git a/internal/httpclient/models/expand_tree.go b/internal/httpclient/models/expand_tree.go
index f76285ca1..986d71d19 100644
--- a/internal/httpclient/models/expand_tree.go
+++ b/internal/httpclient/models/expand_tree.go
@@ -30,11 +30,7 @@ type ExpandTree struct {
 	// subject set
 	SubjectSet *SubjectSet `json:"subject_set,omitempty"`
 
-	//
-	// union Union
-	// exclusion Exclusion
-	// intersection Intersection
-	// leaf Leaf
+	// type
 	// Required: true
 	// Enum: [union exclusion intersection leaf]
 	Type *string `json:"type"`
@@ -76,8 +72,6 @@ func (m *ExpandTree) validateChildren(formats strfmt.Registry) error {
 			if err := m.Children[i].Validate(formats); err != nil {
 				if ve, ok := err.(*errors.Validation); ok {
 					return ve.ValidateName("children" + "." + strconv.Itoa(i))
-				} else if ce, ok := err.(*errors.CompositeError); ok {
-					return ce.ValidateName("children" + "." + strconv.Itoa(i))
 				}
 				return err
 			}
@@ -97,8 +91,6 @@ func (m *ExpandTree) validateSubjectSet(formats strfmt.Registry) error {
 		if err := m.SubjectSet.Validate(formats); err != nil {
 			if ve, ok := err.(*errors.Validation); ok {
 				return ve.ValidateName("subject_set")
-			} else if ce, ok := err.(*errors.CompositeError); ok {
-				return ce.ValidateName("subject_set")
 			}
 			return err
 		}
@@ -182,8 +174,6 @@ func (m *ExpandTree) contextValidateChildren(ctx context.Context, formats strfmt
 			if err := m.Children[i].ContextValidate(ctx, formats); err != nil {
 				if ve, ok := err.(*errors.Validation); ok {
 					return ve.ValidateName("children" + "." + strconv.Itoa(i))
-				} else if ce, ok := err.(*errors.CompositeError); ok {
-					return ce.ValidateName("children" + "." + strconv.Itoa(i))
 				}
 				return err
 			}
@@ -200,8 +190,6 @@ func (m *ExpandTree) contextValidateSubjectSet(ctx context.Context, formats strf
 		if err := m.SubjectSet.ContextValidate(ctx, formats); err != nil {
 			if ve, ok := err.(*errors.Validation); ok {
 				return ve.ValidateName("subject_set")
-			} else if ce, ok := err.(*errors.CompositeError); ok {
-				return ce.ValidateName("subject_set")
 			}
 			return err
 		}
diff --git a/internal/httpclient/models/get_relation_tuples_response.go b/internal/httpclient/models/get_relation_tuples_response.go
index e2e257e0d..e83f0dc18 100644
--- a/internal/httpclient/models/get_relation_tuples_response.go
+++ b/internal/httpclient/models/get_relation_tuples_response.go
@@ -56,8 +56,6 @@ func (m *GetRelationTuplesResponse) validateRelationTuples(formats strfmt.Regist
 			if err := m.RelationTuples[i].Validate(formats); err != nil {
 				if ve, ok := err.(*errors.Validation); ok {
 					return ve.ValidateName("relation_tuples" + "." + strconv.Itoa(i))
-				} else if ce, ok := err.(*errors.CompositeError); ok {
-					return ce.ValidateName("relation_tuples" + "." + strconv.Itoa(i))
 				}
 				return err
 			}
@@ -90,8 +88,6 @@ func (m *GetRelationTuplesResponse) contextValidateRelationTuples(ctx context.Co
 			if err := m.RelationTuples[i].ContextValidate(ctx, formats); err != nil {
 				if ve, ok := err.(*errors.Validation); ok {
 					return ve.ValidateName("relation_tuples" + "." + strconv.Itoa(i))
-				} else if ce, ok := err.(*errors.CompositeError); ok {
-					return ce.ValidateName("relation_tuples" + "." + strconv.Itoa(i))
 				}
 				return err
 			}
diff --git a/internal/httpclient/models/internal_relation_tuple.go b/internal/httpclient/models/internal_relation_tuple.go
index fc6445dbb..e17517c99 100644
--- a/internal/httpclient/models/internal_relation_tuple.go
+++ b/internal/httpclient/models/internal_relation_tuple.go
@@ -102,8 +102,6 @@ func (m *InternalRelationTuple) validateSubjectSet(formats strfmt.Registry) erro
 		if err := m.SubjectSet.Validate(formats); err != nil {
 			if ve, ok := err.(*errors.Validation); ok {
 				return ve.ValidateName("subject_set")
-			} else if ce, ok := err.(*errors.CompositeError); ok {
-				return ce.ValidateName("subject_set")
 			}
 			return err
 		}
@@ -132,8 +130,6 @@ func (m *InternalRelationTuple) contextValidateSubjectSet(ctx context.Context, f
 		if err := m.SubjectSet.ContextValidate(ctx, formats); err != nil {
 			if ve, ok := err.(*errors.Validation); ok {
 				return ve.ValidateName("subject_set")
-			} else if ce, ok := err.(*errors.CompositeError); ok {
-				return ce.ValidateName("subject_set")
 			}
 			return err
 		}
diff --git a/internal/httpclient/models/patch_delta.go b/internal/httpclient/models/patch_delta.go
index e29ac7336..2a02a7efb 100644
--- a/internal/httpclient/models/patch_delta.go
+++ b/internal/httpclient/models/patch_delta.go
@@ -97,8 +97,6 @@ func (m *PatchDelta) validateRelationTuple(formats strfmt.Registry) error {
 		if err := m.RelationTuple.Validate(formats); err != nil {
 			if ve, ok := err.(*errors.Validation); ok {
 				return ve.ValidateName("relation_tuple")
-			} else if ce, ok := err.(*errors.CompositeError); ok {
-				return ce.ValidateName("relation_tuple")
 			}
 			return err
 		}
@@ -127,8 +125,6 @@ func (m *PatchDelta) contextValidateRelationTuple(ctx context.Context, formats s
 		if err := m.RelationTuple.ContextValidate(ctx, formats); err != nil {
 			if ve, ok := err.(*errors.Validation); ok {
 				return ve.ValidateName("relation_tuple")
-			} else if ce, ok := err.(*errors.CompositeError); ok {
-				return ce.ValidateName("relation_tuple")
 			}
 			return err
 		}
diff --git a/internal/httpclient/models/relation_query.go b/internal/httpclient/models/relation_query.go
index 16b082e0f..18e256a82 100644
--- a/internal/httpclient/models/relation_query.go
+++ b/internal/httpclient/models/relation_query.go
@@ -59,8 +59,6 @@ func (m *RelationQuery) validateSubjectSet(formats strfmt.Registry) error {
 		if err := m.SubjectSet.Validate(formats); err != nil {
 			if ve, ok := err.(*errors.Validation); ok {
 				return ve.ValidateName("subject_set")
-			} else if ce, ok := err.(*errors.CompositeError); ok {
-				return ce.ValidateName("subject_set")
 			}
 			return err
 		}
@@ -89,8 +87,6 @@ func (m *RelationQuery) contextValidateSubjectSet(ctx context.Context, formats s
 		if err := m.SubjectSet.ContextValidate(ctx, formats); err != nil {
 			if ve, ok := err.(*errors.Validation); ok {
 				return ve.ValidateName("subject_set")
-			} else if ce, ok := err.(*errors.CompositeError); ok {
-				return ce.ValidateName("subject_set")
 			}
 			return err
 		}
diff --git a/spec/api.json b/spec/api.json
index 8fa95aae8..0791079f2 100755
--- a/spec/api.json
+++ b/spec/api.json
@@ -1069,8 +1069,7 @@
           "enum": [
             "insert",
             "delete"
-          ],
-          "x-go-enum-desc": "insert ActionInsert\ndelete ActionDelete"
+          ]
         },
         "relation_tuple": {
           "$ref": "#/definitions/InternalRelationTuple"
@@ -1142,15 +1141,13 @@
           "$ref": "#/definitions/SubjectSet"
         },
         "type": {
-          "description": "\nunion Union\nexclusion Exclusion\nintersection Intersection\nleaf Leaf",
           "type": "string",
           "enum": [
             "union",
             "exclusion",
             "intersection",
             "leaf"
-          ],
-          "x-go-enum-desc": "union Union\nexclusion Exclusion\nintersection Intersection\nleaf Leaf"
+          ]
         }
       }
     },