diff --git a/setup.py b/setup.py
index f6dab7b..013d4ca 100644
--- a/setup.py
+++ b/setup.py
@@ -54,7 +54,6 @@
         "lxml>=4.6.3"
     ],
     extras_require={
-        'pdoc3'
     },
     tests_require=(
         'pytest',