diff --git a/addons/api/addon/generated/models/host-catalog.js b/addons/api/addon/generated/models/host-catalog.js
index 0591352e2..660711a70 100644
--- a/addons/api/addon/generated/models/host-catalog.js
+++ b/addons/api/addon/generated/models/host-catalog.js
@@ -39,11 +39,6 @@ export default class GeneratedHostCatalogModel extends BaseModel {
   })
   disabled;
 
-  @attr({
-    description: 'Attributes specific to the catalog type',
-  })
-  attributes;
-
   @attr('number', {
     description: 'Current version number of this resource.',
   })
diff --git a/addons/api/addon/serializers/application.js b/addons/api/addon/serializers/application.js
index dcc33eff6..8f519e8e2 100644
--- a/addons/api/addon/serializers/application.js
+++ b/addons/api/addon/serializers/application.js
@@ -234,11 +234,13 @@ export default class ApplicationSerializer extends RESTSerializer {
    */
   normalizeNestedAttributes(typeClass, hash) {
     typeClass.attributes.forEach((attribute) => {
-      const { isNestedAttribute } = attribute.options;
-      const attributeValue = hash.attributes?.[attribute.name];
-      if (isNestedAttribute && typeof attributeValue != 'undefined') {
-        hash[attribute.name] = attributeValue;
-      }
+      const {
+        name,
+        options: { isNestedAttribute },
+      } = attribute;
+      const value = hash.attributes?.[name];
+      const isUndefined = value === undefined;
+      if (isNestedAttribute && !isUndefined) hash[name] = value;
     });
     return hash;
   }
@@ -261,15 +263,8 @@ export default class ApplicationSerializer extends RESTSerializer {
         name,
         options: { isNestedSecret },
       } = attribute;
-      const attributeValue = hash.secrets?.[name];
-
-      // FIXME: This could be improved
-      if (isNestedSecret) {
-        hash[name] = null;
-        if (typeof attributeValue != 'undefined') {
-          hash[name] = attributeValue;
-        }
-      }
+      const value = hash.secrets?.[name];
+      if (isNestedSecret) hash[name] = value || null;
     });
     return hash;
   }
diff --git a/addons/api/addon/serializers/host-catalog.js b/addons/api/addon/serializers/host-catalog.js
index f5d1cd983..77c78c680 100644
--- a/addons/api/addon/serializers/host-catalog.js
+++ b/addons/api/addon/serializers/host-catalog.js
@@ -1,5 +1,4 @@
 import ApplicationSerializer from './application';
-import { copy } from 'ember-copy';
 
 const fieldsByType = {
   aws: [
@@ -57,11 +56,4 @@ export default class HostCatalogSerializer extends ApplicationSerializer {
     delete serialized.secrets;
     return serialized;
   }
-
-  normalize(typeClass, hash, ...rest) {
-    let normalizedHash = copy(hash, true);
-    const normalized = super.normalize(typeClass, normalizedHash, ...rest);
-    delete normalized.data.attributes.attributes;
-    return normalized;
-  }
 }
diff --git a/ui/admin/app/components/form/host/static/index.hbs b/ui/admin/app/components/form/host/static/index.hbs
index 9b39cdb26..d86c04f1c 100644
--- a/ui/admin/app/components/form/host/static/index.hbs
+++ b/ui/admin/app/components/form/host/static/index.hbs
@@ -56,16 +56,16 @@
   <form.input
     @name='address'
     @type='text'
-    @value={{@model.attributes.address}}
+    @value={{@model.address}}
     @label={{t 'form.address.label'}}
-    @error={{@model.errors.name}}
+    @error={{@model.errors.address}}
     @helperText={{t 'form.address.help'}}
     readonly={{false}}
     as |field|
   >
-    {{#if @model.errors.name}}
+    {{#if @model.errors.address}}
       <field.errors as |errors|>
-        {{#each @model.errors.name as |error|}}
+        {{#each @model.errors.address as |error|}}
           <errors.message>{{error.message}}</errors.message>
         {{/each}}
       </field.errors>
diff --git a/ui/admin/app/templates/scopes/scope/host-catalogs/host-catalog/hosts/index.hbs b/ui/admin/app/templates/scopes/scope/host-catalogs/host-catalog/hosts/index.hbs
index ee8f060cd..089a05165 100644
--- a/ui/admin/app/templates/scopes/scope/host-catalogs/host-catalog/hosts/index.hbs
+++ b/ui/admin/app/templates/scopes/scope/host-catalogs/host-catalog/hosts/index.hbs
@@ -57,7 +57,7 @@
             </Copyable>
           </row.cell>
           <row.cell>
-            <code>{{host.attributes.address}}</code>
+            <code>{{host.address}}</code>
           </row.cell>
         </body.row>
       {{/each}}