diff --git a/lower-constraints.txt b/lower-constraints.txt
index cfbb8a8f97..196b60c342 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -44,7 +44,6 @@ linecache2==1.0.0
 lxml==4.5.0
 Mako==1.0.7
 MarkupSafe==1.1.1
-mccabe==0.2.1
 monotonic==1.4
 mox3==0.25.0
 msgpack==0.5.6