diff --git a/src/pycbsdk/cbsdk.py b/src/pycbsdk/cbsdk.py
index ae7e1bb..998e4aa 100644
--- a/src/pycbsdk/cbsdk.py
+++ b/src/pycbsdk/cbsdk.py
@@ -30,6 +30,10 @@
     "register_event_callback",
     "register_group_callback",
     "register_config_callback",
+    "unregister_spk_callback",
+    "unregister_event_callback",
+    "unregister_group_callback",
+    "unregister_config_callback",
     "CBRunLevel",
 ]