diff --git a/src/syntactic_structure.py b/src/syntactic_structure.py
index b7b9dd5..6cf4d28 100644
--- a/src/syntactic_structure.py
+++ b/src/syntactic_structure.py
@@ -98,9 +98,6 @@ class SyntacticStructure:
 
 def build_structures(args):
     filename = args.structures
-    if args.pickled_structures:
-        with open(filename, 'rb') as fp:
-            return pickle.load(fp)
 
     max_num_components = -1
     with open(filename, 'r') as fp:
diff --git a/src/wani.py b/src/wani.py
index 7de759d..16c9cc0 100644
--- a/src/wani.py
+++ b/src/wani.py
@@ -152,7 +152,6 @@ if __name__ == '__main__':
                         help='Run in multiple processes, should speed things up')
 
     parser.add_argument('--match-to-file', help='Do not use!')
-    parser.add_argument('--pickled-structures', help='Do not use!', action='store_true')
 
     args = parser.parse_args()
     logging.basicConfig(stream=sys.stderr, level=args.verbose.upper())