diff --git a/doc/requirements.txt b/doc/requirements.txt
index ffd53839a..ec0f5db63 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -3,7 +3,6 @@
 # process, which may cause wedges in the gate later.
 oslo.config>=5.2.0 # Apache-2.0
 openstackdocstheme>=1.24.0 # Apache-2.0
-sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7'  # BSD
 sphinx!=1.6.6,!=1.6.7,!=2.1.0,>=1.6.2;python_version>='3.4'  # BSD
 reno>=2.7.0 # Apache-2.0
 docutils>=0.11  # OSI-Approved Open Source, Public Domain
diff --git a/requirements.txt b/requirements.txt
index 5f4f85e34..bb86c5242 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,6 @@ python-troveclient>=2.2.0 # Apache-2.0
 python-zaqarclient >=1.2.0
 gnocchiclient>=3.3.1 # Apache-2.0
 pyzabbix>=0.7.4 # LGPL
-networkx<2.3,>=2.0;python_version<'3.0'  # BSD
 networkx>=2.3;python_version>='3.4'  # BSD
 oslo.config>=5.2.0 # Apache-2.0
 oslo.context>=2.20.0 # Apache-2.0