diff --git a/pkgs/development/python-modules/sphinx/default.nix b/pkgs/development/python-modules/sphinx/default.nix
index 36d8c62176e87..bba4b8fcab5a8 100644
--- a/pkgs/development/python-modules/sphinx/default.nix
+++ b/pkgs/development/python-modules/sphinx/default.nix
@@ -33,7 +33,6 @@
   # check phase
   defusedxml,
   filelock,
-  html5lib,
   pytestCheckHook,
   pytest-xdist,
   typing-extensions,