diff --git a/doc/source/qibo.rst b/doc/source/qibo.rst
index 66bceb0683..094a85fa98 100644
--- a/doc/source/qibo.rst
+++ b/doc/source/qibo.rst
@@ -376,13 +376,6 @@ Controlled second general unitary (CU2)
 Controlled third general unitary (CU3)
 """"""""""""""""""""""""""""""""""""""
 
-.. autoclass:: qibo.abstractions.gates.CU3
-    :members:
-    :member-order: bysource
-
-Controlled third general unitary (CU3)
-""""""""""""""""""""""""""""""""""""""
-
 .. autoclass:: qibo.abstractions.gates.CU3
     :members:
     :member-order: bysource