diff --git a/scripts/test-remote-image b/scripts/test-remote-image
index 7a00db92c0..698948b834 100755
--- a/scripts/test-remote-image
+++ b/scripts/test-remote-image
@@ -92,13 +92,11 @@ def get_args_parser():
     parser.add_argument('--skip-download', required=False, action="store_true", dest="skip_download", default=False, help='Skip downloading the images completely. This needs the correct files to be present in the directory specified by the target profile.')
     return parser
 
-class BaseTargetProfile(object):
+class BaseTargetProfile(object, metaclass=ABCMeta):
     """
     This class defines the meta profile for a specific target (MACHINE type + image type).
     """
 
-    __metaclass__ = ABCMeta
-
     def __init__(self, image_type):
         self.image_type = image_type
 
@@ -191,13 +189,11 @@ class AutoTargetProfile(BaseTargetProfile):
         return controller.get_extra_files()
 
 
-class BaseRepoProfile(object):
+class BaseRepoProfile(object, metaclass=ABCMeta):
     """
     This class defines the meta profile for an images repository.
     """
 
-    __metaclass__ = ABCMeta
-
     def __init__(self, repolink, localdir):
         self.localdir = localdir
         self.repolink = repolink