diff --git a/lower-constraints.txt b/lower-constraints.txt
index 52514f2ab..2e519ada3 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -37,7 +37,6 @@ netifaces==0.10.4
 openstackdocstheme==1.18.1
 os-api-ref==1.4.0
 os-client-config==1.28.0
-os-testr==1.0.0
 oslo.concurrency==3.26.0
 oslo.config==5.2.0
 oslo.context==2.19.2