diff --git a/spacy/tokens/binder.pyx b/spacy/tokens/binder.pyx
deleted file mode 100644
index 0ee168579..000000000
--- a/spacy/tokens/binder.pyx
+++ /dev/null
@@ -1,21 +0,0 @@
-cdef class Binder:
-    def __init__(self, *docs):
-        pass
-
-    def __iter__(self):
-        pass
-
-    def __reduce__(self):
-        pass
-
-    def to_bytes(self):
-        pass
-
-    def from_bytes(cls, data):
-        pass
-
-    def to_disk(self):
-        pass
-
-    def from_disk(self, path):
-        pass