diff --git a/requirements.txt b/requirements.txt
index 3a9df0a9..e02741c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,6 @@ oslo.utils>=3.33.0 # Apache-2.0
 oslo.concurrency>=3.26.0 # Apache-2.0
 stevedore>=1.20.0 # Apache-2.0
 enum34>=1.0.4;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
-doc8>=0.6.0 # Apache-2.0
 eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
 six>=1.10.0 # MIT
 
diff --git a/test-requirements.txt b/test-requirements.txt
index 073f79ad..2ddcc91a 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,6 +4,9 @@
 # Metrics and style
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
+# Documentation style
+doc8>=0.6.0 # Apache-2.0
+
 # Packaging
 mock>=2.0.0 # BSD