diff --git a/glance/common/timeutils.py b/glance/common/timeutils.py
index d3d865c3bd..93ab868ed4 100644
--- a/glance/common/timeutils.py
+++ b/glance/common/timeutils.py
@@ -20,7 +20,6 @@ Time related utilities and helper functions.
 import datetime
 
 import iso8601
-from monotonic import monotonic as now  # noqa
 from oslo_utils import encodeutils
 
 # ISO 8601 extended time format with microseconds
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 4e158cd56c..252b4e3544 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -52,7 +52,6 @@ Mako==1.0.7
 MarkupSafe==1.0
 mccabe==0.2.1
 mock==2.0.0
-monotonic==0.6
 mox3==0.25.0
 msgpack==0.5.6
 netaddr==0.7.19
diff --git a/requirements.txt b/requirements.txt
index ee25e7e793..5e49adacf9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,4 +55,3 @@ cursive>=0.2.1 # Apache-2.0
 
 # timeutils
 iso8601>=0.1.11 # MIT
-monotonic>=0.6 # Apache-2.0