diff --git a/client/src/app/shared/forms/form-validators/custom-config-validators.service.ts b/client/src/app/shared/forms/form-validators/custom-config-validators.service.ts
index d20754d11..abcbca817 100644
--- a/client/src/app/shared/forms/form-validators/custom-config-validators.service.ts
+++ b/client/src/app/shared/forms/form-validators/custom-config-validators.service.ts
@@ -81,9 +81,8 @@ export class CustomConfigValidatorsService {
     }
 
     this.INDEX_URL = {
-      VALIDATORS: [ Validators.required, Validators.pattern(/^https:\/\//) ],
+      VALIDATORS: [ Validators.pattern(/^https:\/\//) ],
       MESSAGES: {
-        'required': this.i18n('Index URL is required.'),
         'pattern': this.i18n('Index URL should be a URL')
       }
     }