diff --git a/python-os-brick.spec b/python-os-brick.spec
index ca59a86481ca18ab5e44b8105a62085de91a0782..ea8ea8333ae3a6d60d7c3217b6bf19b0f4689d64 100644
--- a/python-os-brick.spec
+++ b/python-os-brick.spec
@@ -46,21 +46,7 @@ Requires:       sysfsutils
 
 BuildRequires:  python2-devel
 BuildRequires:  python2-ddt
-BuildRequires:  python2-pbr >= 2.0.0
-BuildRequires:  git
-BuildRequires:  python2-reno
-BuildRequires:  python2-sphinx
-BuildRequires:  python2-oslo-concurrency  >= 3.8.0
-BuildRequires:  python2-oslo-i18n >= 3.15.3
-BuildRequires:  python2-oslo-log >= 3.36.0
-BuildRequires:  python2-oslo-service >= 1.24.0
-BuildRequires:  python2-openstackdocstheme
-# BuildRequires:  python2-os-win
-BuildRequires:  python2-requests >= 2.14.2
-BuildRequires:  python2-six >= 1.10.0
-BuildRequires:  python2-setuptools
-BuildRequires:  python2-oslo-privsep >= 1.23.0
-BuildRequires:  python2-retrying
+BuildRequires:  python2-pyflakes = 0.9.2
 
 %description -n python2-%{pypi_name}
 %{common_desc}