diff --git a/src/backups.js b/src/backups.js
index e4964b69e..06782ecdd 100644
--- a/src/backups.js
+++ b/src/backups.js
@@ -148,8 +148,6 @@ function testProviderConfig(backupConfig, callback) {
     var func = api(backupConfig.provider);
     if (!func) return callback(new BoxError(BoxError.BAD_FIELD, 'unknown storage provider', { field: 'provider' }));
 
-    if (backupConfig.format !== 'tgz' && backupConfig.format !== 'rsync') return callback(new BoxError(BoxError.BAD_FIELD, 'unknown format', { field: 'format' }));
-
     api(backupConfig.provider).testConfig(backupConfig, callback);
 }