diff --git a/doc/contributing.texi b/doc/contributing.texi
index f1ab1b56da..5ea37a92ba 100644
--- a/doc/contributing.texi
+++ b/doc/contributing.texi
@@ -1559,8 +1559,7 @@ check list to determine which dependency goes where.
 
 @item
 Python is packaged @emph{without} @code{setuptools} and @code{pip}
-installed per default.  @code{python-toolchain} provides a build
-environment for Python.
+installed per default.
 
 @command{guix lint} will warn if @code{pip} or other unneeded
 native-inputs are added.
diff --git a/guix/build-system/pyproject.scm b/guix/build-system/pyproject.scm
index 24b3d4c40c..04f816f8e6 100644
--- a/guix/build-system/pyproject.scm
+++ b/guix/build-system/pyproject.scm
@@ -56,7 +56,6 @@
   ;; setuptools. This allows us to skip the dependency on setuptools for
   ;; packages which don’t need it. And it allows us to more easily swap
   ;; out setuptools if a different version is required.
-  ;; Using python-toolchain here might cause dependency cycles.
   (@* (gnu packages python) python-sans-pip-wrapper))
 
 (define (pyproject-guile-json)