diff --git a/piptools/scripts/options.py b/piptools/scripts/options.py
index ab456fce..98fbbf7a 100644
--- a/piptools/scripts/options.py
+++ b/piptools/scripts/options.py
@@ -343,14 +343,6 @@ def _get_default_option(option_name: str) -> Any:
 constraint = click.option(
     "-c",
     "--constraint",
-    type=click.Path(
-        exists=True,
-        file_okay=True,
-        dir_okay=False,
-        readable=True,
-        allow_dash=False,
-        path_type=str,
-    ),
     multiple=True,
     help="Constrain versions using the given constraints file; may be used more than once.",
 )