diff --git a/packages/strapi-plugin-content-type-builder/services/ContentTypeBuilder.js b/packages/strapi-plugin-content-type-builder/services/ContentTypeBuilder.js
index 00e60aff86..dcbfe6c00f 100644
--- a/packages/strapi-plugin-content-type-builder/services/ContentTypeBuilder.js
+++ b/packages/strapi-plugin-content-type-builder/services/ContentTypeBuilder.js
@@ -6,7 +6,12 @@ const _ = require('lodash');
 const generator = require('strapi-generate');
 const { fromJS, List, Map } = require('immutable');
 const Manager = require('../utils/Manager.js');
-const { createManager, removeColsLine, reorderList } = require('../utils/helpers.js');
+const {
+  createManager,
+  removeColsLine,
+  reorderList,
+  deepTrimObject,
+} = require('../utils/helpers.js');
 
 module.exports = {
   appearance: async (attributes, model, plugin) => {
@@ -369,8 +374,9 @@ module.exports = {
     });
 
     Object.assign(attributesNotConfigurable, attrs);
+    const trimmedNotConfigurableAttributes = deepTrimObject(attributesNotConfigurable);
 
-    return [attributesNotConfigurable, errors];
+    return [trimmedNotConfigurableAttributes, errors];
   },
 
   clearRelations: (model, source, force) => {
diff --git a/packages/strapi-plugin-content-type-builder/utils/helpers.js b/packages/strapi-plugin-content-type-builder/utils/helpers.js
index 7036c1585a..96fa91b29c 100644
--- a/packages/strapi-plugin-content-type-builder/utils/helpers.js
+++ b/packages/strapi-plugin-content-type-builder/utils/helpers.js
@@ -44,7 +44,7 @@ const removeColsLine = (manager, list) => {
 const reorderList = (manager, list) => {
   const array = createArrayOfLastEls(manager, list);
   const lines = [];
-  
+
   array.forEach((item, i) => {
     const { elements } = getElementsOnALine(manager, i, list);
     lines.push(elements);
@@ -57,7 +57,7 @@ const reorderList = (manager, list) => {
       return acc.concat(line);
     }, [])
     .filter(a => a !== undefined);
-  
+
   return List(flattenDeep(reordered));
 };
 
@@ -65,11 +65,31 @@ const escapeNewlines = (content, placeholder = '\n') => {
   return content.replace(/[\r\n]+/g, placeholder);
 }
 
+const deepTrimObject = attribute => {
+  if (Array.isArray(attribute)) {
+    return attribute.map(deepTrimObject);
+  }
+
+  if (typeof attribute === 'object') {
+    return Object.entries(attribute)
+      .reduce((acc, [key, value]) => {
+        const trimmedObject = deepTrimObject(value);
+
+        return { ...acc, [key]: trimmedObject };
+      }, {});
+  }
+
+  return typeof attribute === 'string'
+    ? attribute.trim()
+    : attribute;
+}
+
 module.exports = {
   createArrayOfLastEls,
   createManager,
   getElementsOnALine,
   removeColsLine,
   reorderList,
-  escapeNewlines
-};
\ No newline at end of file
+  escapeNewlines,
+  deepTrimObject
+};