diff --git a/packages/strapi-plugin-content-manager/controllers/ContentTypes.js b/packages/strapi-plugin-content-manager/controllers/ContentTypes.js
index d7e0570425..1ebfd5549e 100644
--- a/packages/strapi-plugin-content-manager/controllers/ContentTypes.js
+++ b/packages/strapi-plugin-content-manager/controllers/ContentTypes.js
@@ -106,9 +106,14 @@ module.exports = {
       return ctx.notFound('contentType.notFound');
     }
 
+    const schema = service.formatContentTypeSchema(contentType);
+
     let input;
     try {
-      input = await createModelConfigurationSchema(contentType).validate(body, {
+      input = await createModelConfigurationSchema(
+        contentType,
+        schema
+      ).validate(body, {
         abortEarly: false,
         stripUnknown: true,
         strict: true,
@@ -130,7 +135,7 @@ module.exports = {
     const data = {
       uid,
       source,
-      schema: service.formatContentTypeSchema(contentType),
+      schema,
       ...contentTypeConfigurations,
     };
 
diff --git a/packages/strapi-plugin-content-manager/controllers/Groups.js b/packages/strapi-plugin-content-manager/controllers/Groups.js
index 36c54cf0c7..209167b5ed 100644
--- a/packages/strapi-plugin-content-manager/controllers/Groups.js
+++ b/packages/strapi-plugin-content-manager/controllers/Groups.js
@@ -56,17 +56,23 @@ module.exports = {
 
     const group = strapi.groups[uid];
 
+    const ctService = strapi.plugins['content-manager'].services.contenttypes;
+
     if (!group) {
       return ctx.notFound('group.notFound');
     }
 
+    const schema = ctService.formatContentTypeSchema(group);
     let input;
     try {
-      input = await createModelConfigurationSchema(group).validate(body, {
-        abortEarly: false,
-        stripUnknown: true,
-        strict: true,
-      });
+      input = await createModelConfigurationSchema(group, schema).validate(
+        body,
+        {
+          abortEarly: false,
+          stripUnknown: true,
+          strict: true,
+        }
+      );
     } catch (error) {
       return ctx.badRequest(null, {
         name: 'validationError',
@@ -77,12 +83,11 @@ module.exports = {
     const groupService = strapi.plugins['content-manager'].services.groups;
     await groupService.setConfiguration(uid, input);
 
-    const ctService = strapi.plugins['content-manager'].services.contenttypes;
     const configurations = await groupService.getConfiguration(uid);
 
     const data = {
       uid,
-      schema: ctService.formatContentTypeSchema(group),
+      schema,
       ...configurations,
     };
 
diff --git a/packages/strapi-plugin-content-manager/controllers/validation/model-configuration.js b/packages/strapi-plugin-content-manager/controllers/validation/model-configuration.js
index bfcb9dbd92..5f33d50596 100644
--- a/packages/strapi-plugin-content-manager/controllers/validation/model-configuration.js
+++ b/packages/strapi-plugin-content-manager/controllers/validation/model-configuration.js
@@ -1,30 +1,28 @@
 'use strict';
 
 const yup = require('yup');
-
+const {
+  isListable,
+  hasRelationAttribute,
+  hasEditableAttribute,
+} = require('../../services/utils/configuration/attributes');
 /**
  * Creates the validation schema for content-type configurations
  */
-module.exports = model =>
+module.exports = (model, schema) =>
   yup
     .object()
     .shape({
-      settings: createSettingsSchema(model),
-      metadatas: createMetadasSchema(model),
-      layouts: createLayoutsSchema(model),
+      settings: createSettingsSchema(model, schema),
+      metadatas: createMetadasSchema(model, schema),
+      layouts: createLayoutsSchema(model, schema),
     })
     .noUnknown();
 
-// TODO: do sth to clean the keys configurable, private etc
-
-const createSettingsSchema = model => {
-  const validAttributes = Object.keys(model.allAttributes).filter(key => {
-    return (
-      model.allAttributes[key].type &&
-      !['json', 'password', 'group'].includes(model.allAttributes[key].type)
-    );
-  });
-  const attrs = ['id'].concat(validAttributes);
+const createSettingsSchema = (model, schema) => {
+  const validAttributes = Object.keys(schema.attributes).filter(key =>
+    isListable(schema, key)
+  );
 
   return yup
     .object()
@@ -41,12 +39,12 @@ const createSettingsSchema = model => {
       // should be reset when the type changes
       mainField: yup
         .string()
-        .oneOf(attrs)
+        .oneOf(validAttributes)
         .default('id'),
       // should be reset when the type changes
       defaultSortBy: yup
         .string()
-        .oneOf(attrs)
+        .oneOf(validAttributes)
         .default('id'),
       defaultSortOrder: yup
         .string()
@@ -56,9 +54,9 @@ const createSettingsSchema = model => {
     .noUnknown();
 };
 
-const createMetadasSchema = model => {
+const createMetadasSchema = (model, schema) => {
   return yup.object().shape(
-    ['id'].concat(Object.keys(model.allAttributes)).reduce((acc, key) => {
+    Object.keys(schema.attributes).reduce((acc, key) => {
       acc[key] = yup
         .object()
         .shape({
@@ -97,18 +95,18 @@ const ARRAY_TEST = {
   test: val => Array.isArray(val),
 };
 
-const createLayoutsSchema = model => {
-  const validAttributes = Object.keys(model.allAttributes).filter(key => {
-    return (
-      model.allAttributes[key].type &&
-      !['json', 'password', 'group'].includes(model.allAttributes[key].type)
-    );
-  });
+const createLayoutsSchema = (model, schema) => {
+  const validAttributes = Object.keys(schema.attributes).filter(key =>
+    isListable(schema, key)
+  );
 
-  const attrs = ['id'].concat(validAttributes);
-  const relationAttributes = Array.isArray(model.associations)
-    ? model.associations.map(assoc => assoc.alias)
-    : [];
+  const editAttributes = Object.keys(schema.attributes).filter(key =>
+    hasEditableAttribute(schema, key)
+  );
+
+  const relationAttributes = Object.keys(schema.attributes).filter(key =>
+    hasRelationAttribute(schema, key)
+  );
 
   return yup.object().shape({
     edit: yup
@@ -120,11 +118,7 @@ const createLayoutsSchema = model => {
             .shape({
               name: yup
                 .string()
-                .oneOf(
-                  Object.keys(model.allAttributes).filter(
-                    key => model.allAttributes[key].type
-                  )
-                )
+                .oneOf(editAttributes)
                 .required(),
               size: yup
                 .number()
@@ -138,7 +132,7 @@ const createLayoutsSchema = model => {
       .test(ARRAY_TEST),
     list: yup
       .array()
-      .of(yup.string().oneOf(attrs))
+      .of(yup.string().oneOf(validAttributes))
       .test(ARRAY_TEST),
     editRelations: yup
       .array()
diff --git a/packages/strapi-plugin-content-manager/services/utils/configuration/attributes.js b/packages/strapi-plugin-content-manager/services/utils/configuration/attributes.js
index 573d9d88d9..dc33f1e5a9 100644
--- a/packages/strapi-plugin-content-manager/services/utils/configuration/attributes.js
+++ b/packages/strapi-plugin-content-manager/services/utils/configuration/attributes.js
@@ -3,6 +3,10 @@
 const _ = require('lodash');
 
 const NON_SORTABLES = ['group', 'json', 'relation'];
+
+const isListable = (schema, name) =>
+  isSortable(schema, name) && schema.attributes[name].type != 'password';
+
 const isSortable = (schema, name) => {
   if (!_.has(schema.attributes, name)) {
     return false;
@@ -49,9 +53,37 @@ const isTimestamp = (schema, name) => {
 
 const isRelation = attribute => attribute.type === 'relation';
 
+const hasRelationAttribute = (schema, name) => {
+  if (!_.has(schema.attributes, name)) {
+    return false;
+  }
+
+  return isRelation(schema.attributes[name]);
+};
+
+const hasEditableAttribute = (schema, name) => {
+  if (!_.has(schema.attributes, name)) {
+    return false;
+  }
+
+  if (!isVisible(schema, name)) {
+    return false;
+  }
+
+  if (isRelation(schema.attributes[name])) {
+    if (schema.modelType === 'group') return true;
+    return false;
+  }
+
+  return true;
+};
+
 module.exports = {
   isSortable,
   isVisible,
   isSearchable,
   isRelation,
+  isListable,
+  hasEditableAttribute,
+  hasRelationAttribute,
 };
diff --git a/packages/strapi-plugin-content-manager/services/utils/configuration/layouts.js b/packages/strapi-plugin-content-manager/services/utils/configuration/layouts.js
index 4715b3363f..831f4521a4 100644
--- a/packages/strapi-plugin-content-manager/services/utils/configuration/layouts.js
+++ b/packages/strapi-plugin-content-manager/services/utils/configuration/layouts.js
@@ -1,7 +1,12 @@
 'use strict';
 
 const _ = require('lodash');
-const { isSortable, isVisible, isRelation } = require('./attributes');
+const {
+  isListable,
+  isVisible,
+  hasEditableAttribute,
+  hasRelationAttribute,
+} = require('./attributes');
 
 const DEFAULT_LIST_LENGTH = 4;
 const MAX_ROW_SIZE = 12;
@@ -37,7 +42,7 @@ async function createDefaultLayouts(schema) {
 
 function createDefaultListLayout(schema) {
   return Object.keys(schema.attributes)
-    .filter(name => isSortable(schema, name))
+    .filter(name => isListable(schema, name))
     .slice(0, DEFAULT_LIST_LENGTH);
 }
 
@@ -67,7 +72,7 @@ function syncLayouts(configuration, schema) {
   const { list = [], editRelations = [], edit = [] } =
     configuration.layouts || {};
 
-  const cleanList = list.filter(attr => isSortable(schema, attr));
+  const cleanList = list.filter(attr => isListable(schema, attr));
 
   const cleanEditRelations = editRelations.filter(attr =>
     hasRelationAttribute(schema, attr)
@@ -120,13 +125,13 @@ function syncLayouts(configuration, schema) {
     // only add valid listable attributes
     layout.list = _.uniq(
       layout.list
-        .concat(newAttributes.filter(key => isSortable(schema, key)))
+        .concat(newAttributes.filter(key => isListable(schema, key)))
         .slice(0, DEFAULT_LIST_LENGTH)
     );
   }
 
   // add new relations to layout
-  if (schema.type !== 'group') {
+  if (schema.modelType !== 'group') {
     const newRelations = newAttributes.filter(key =>
       hasRelationAttribute(schema, key)
     );
@@ -171,31 +176,6 @@ const appendToEditLayout = (layout = [], keysToAppend, schema) => {
   return layout;
 };
 
-const hasRelationAttribute = (schema, name) => {
-  if (!_.has(schema.attributes, name)) {
-    return false;
-  }
-
-  return isRelation(schema.attributes[name]);
-};
-
-const hasEditableAttribute = (schema, name) => {
-  if (!_.has(schema.attributes, name)) {
-    return false;
-  }
-
-  if (!isVisible(schema, name)) {
-    return false;
-  }
-
-  if (isRelation(schema.attributes[name])) {
-    if (schema.modelType === 'group') return true;
-    return false;
-  }
-
-  return true;
-};
-
 module.exports = {
   createDefaultLayouts,
   syncLayouts,
diff --git a/packages/strapi-plugin-content-manager/services/utils/schema.js b/packages/strapi-plugin-content-manager/services/utils/schema.js
index 430764c6aa..0d7134550e 100644
--- a/packages/strapi-plugin-content-manager/services/utils/schema.js
+++ b/packages/strapi-plugin-content-manager/services/utils/schema.js
@@ -4,6 +4,7 @@ const _ = require('lodash');
 
 const pickSchemaFields = model =>
   _.pick(model, [
+    'modelType',
     'connection',
     'collectionName',
     'info',