diff --git a/lower-constraints.txt b/lower-constraints.txt
index fd7ecee381..585406e7d4 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -9,7 +9,6 @@ gnocchiclient==7.0.0
 jsonpath-rw-ext==1.1.3
 keystoneauth1==3.18.0
 lxml==4.5.1
-monotonic==0.6
 msgpack==0.5.2
 os-win==3.0.0
 os-xenapi==0.3.3
diff --git a/requirements.txt b/requirements.txt
index 3713e08ba0..7d8a13bde6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,6 @@ cotyledon>=1.3.0 #Apache-2.0
 futurist>=1.8.0 # Apache-2.0
 jsonpath-rw-ext>=1.1.3 # Apache-2.0
 lxml>=4.5.1 # BSD
-monotonic>=0.6
 msgpack>=0.5.2 # Apache-2.0
 oslo.concurrency>=3.26.0 # Apache-2.0
 oslo.config>=6.0.0 # Apache-2.0