diff --git a/test-requirements.txt b/test-requirements.txt
index a04321c61..1743f85a0 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,6 +6,5 @@ oslotest>=3.3.0 # Apache-2.0
 testscenarios>=0.5.0 # Apache-2.0/BSD
 testtools>=2.3.0 # MIT
 stestr>=2.0.0 # Apache-2.0
-os-api-ref>=1.4.0 # Apache-2.0
 bandit>=1.6.0 # Apache-2.0
 WebTest>=2.0.27 # MIT