Disable --dummy-scans.

aslprep/cli/parser.py

@@ -351,18 +351,18 @@ def _bids_filter(value, parser):
         default=None,
         help='Do not use boundary-based registration (no goodness-of-fit checks)',
     )
-    g_conf.add_argument(
-        '--dummy-scans',
-        required=False,
-        action='store',
-        default=None,
-        type=int,
-        help=(
-            'Number of non-steady-state volumes. '
-            'Note that this indicates the number of volumes, not the number of control-label '
-            'pairs in the ASL file.'
-        ),
-    )
+    # g_conf.add_argument(
+    #     '--dummy-scans',
+    #     required=False,
+    #     action='store',
+    #     default=None,
+    #     type=int,
+    #     help=(
+    #         'Number of non-steady-state volumes. '
+    #         'Note that this indicates the number of volumes, not the number of control-label '
+    #         'pairs in the ASL file.'
+    #     ),
+    # )
     g_conf.add_argument(
         '--random-seed',
         dest='_random_seed',

aslprep/config.py

@@ -544,7 +544,8 @@ class workflow(_Config):
     cifti_output = None
     """Generate HCP Grayordinates, accepts either ``'91k'`` (default) or ``'170k'``."""
     dummy_scans = 0
-    """Number of label-control volume pairs to delete before CBF computation."""
+    """Number of label-control volume pairs to delete before CBF computation. Not currently used.
+    """
     fmap_bspline = None
     """Regularize fieldmaps with a field of B-Spline basis."""
     fmap_demean = None