diff --git a/python/dune/perftool/options.py b/python/dune/perftool/options.py
index 75d879949e6930313b69faec4022bd70a8287bee..16d45c59cb02ffb9aaa4a9f83bc02e364e2e78ab 100644
--- a/python/dune/perftool/options.py
+++ b/python/dune/perftool/options.py
@@ -43,7 +43,6 @@ def get_form_compiler_arguments():
     parser.add_argument("--project-basedir", type=str, help="The base (build) directory of the dune-perftool project")
     # TODO at some point this help description should be updated
     parser.add_argument("--sumfact", action="store_true", help="Use sumfactorization")
-    parser.add_argument("--sumfact-alignment", type=int, help="Alignment used in sumfactorization", default=64)
     parser.add_argument("--vectorize", action="store_true", help="whether to generate code with explicit vectorization")
 
     # Modify the positional argument to not be a list