diff --git a/doc/admin-guide/source/conf.py b/doc/admin-guide/source/conf.py
index ccf4fba341..ce8c89233a 100644
--- a/doc/admin-guide/source/conf.py
+++ b/doc/admin-guide/source/conf.py
@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 # extensions =
 
 # Add any paths that contain templates here, relative to this directory.
diff --git a/doc/common/source/conf.py b/doc/common/source/conf.py
index aa10e904bc..ca327c6e0c 100644
--- a/doc/common/source/conf.py
+++ b/doc/common/source/conf.py
@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = []
 
 # Add any paths that contain templates here, relative to this directory.
diff --git a/doc/contributor-guide/source/conf.py b/doc/contributor-guide/source/conf.py
index ab45a49673..30af94ccd8 100644
--- a/doc/contributor-guide/source/conf.py
+++ b/doc/contributor-guide/source/conf.py
@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = []
 
 
diff --git a/doc/install-guide-debconf/source/conf.py b/doc/install-guide-debconf/source/conf.py
index 883b64b86f..6fecceb3e2 100644
--- a/doc/install-guide-debconf/source/conf.py
+++ b/doc/install-guide-debconf/source/conf.py
@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = ['sphinxmark']
 
 # Add any paths that contain templates here, relative to this directory.
diff --git a/doc/install-guide/source/conf.py b/doc/install-guide/source/conf.py
index a9c475d5fd..cf40b821ce 100644
--- a/doc/install-guide/source/conf.py
+++ b/doc/install-guide/source/conf.py
@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = ['sphinxmark']
 
 # Add any paths that contain templates here, relative to this directory.
diff --git a/doc/user-guide/source/conf.py b/doc/user-guide/source/conf.py
index d82dbc5faf..869f5c383b 100644
--- a/doc/user-guide/source/conf.py
+++ b/doc/user-guide/source/conf.py
@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = []
 
 # Add any paths that contain templates here, relative to this directory.