diff --git a/lower-constraints.txt b/lower-constraints.txt
index 49c718813..537da2614 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -31,7 +31,6 @@ netaddr==0.7.18
 netifaces==0.10.4
 oauthlib==0.6.2
 os-client-config==1.28.0
-os-testr==1.0.0
 oslo.concurrency==3.25.0
 oslo.config==5.2.0
 oslo.context==2.19.2