diff --git a/requirements.txt b/requirements.txt
index fd21a36dbc..4d9e7b1f40 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,6 @@ oslo.log>=1.14.0 # Apache-2.0
 oslo.messaging>=5.2.0 # Apache-2.0
 oslo.middleware>=3.0.0 # Apache-2.0
 oslo.policy>=1.9.0 # Apache-2.0
-oslo.serialization>=1.10.0 # Apache-2.0
 
 retrying!=1.3.0,>=1.2.3 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0