diff --git a/src/fosslight_util/output_format.py b/src/fosslight_util/output_format.py
index c3116e7..a7a8bf8 100644
--- a/src/fosslight_util/output_format.py
+++ b/src/fosslight_util/output_format.py
@@ -7,9 +7,7 @@
 from fosslight_util.write_opossum import write_opossum
 from fosslight_util.write_yaml import write_yaml
 
-SUPPORT_FORMAT = {'excel': '.xlsx', 'csv': '.csv', 'opossum': '.json', 'yaml': '.yaml',
-                  'spdx-yaml': '.yaml', 'spdx-json': '.json', 'spdx-xml': '.xml',
-                  'spdx-tag': '.tag'}
+SUPPORT_FORMAT = {'excel': '.xlsx', 'csv': '.csv', 'opossum': '.json', 'yaml': '.yaml'}
 
 
 def check_output_format(output='', format='', customized_format={}):