diff --git a/mypyc/primitives/bytes_ops.py b/mypyc/primitives/bytes_ops.py
index 0b32c7937ba1..2f2504994680 100644
--- a/mypyc/primitives/bytes_ops.py
+++ b/mypyc/primitives/bytes_ops.py
@@ -160,7 +160,6 @@
     return_type=int64_rprimitive,
     c_function_name="CPyBytes_AdjustIndex",
     error_kind=ERR_NEVER,
-    experimental=True,
     dependencies=[BYTES_EXTRA_OPS],
 )
 
@@ -171,7 +170,6 @@
     return_type=bool_rprimitive,
     c_function_name="CPyBytes_RangeCheck",
     error_kind=ERR_NEVER,
-    experimental=True,
     dependencies=[BYTES_EXTRA_OPS],
 )
 
@@ -182,6 +180,5 @@
     return_type=int_rprimitive,
     c_function_name="CPyBytes_GetItemUnsafe",
     error_kind=ERR_NEVER,
-    experimental=True,
     dependencies=[BYTES_EXTRA_OPS],
 )