diff --git a/openstackclient/image/v2/image.py b/openstackclient/image/v2/image.py
index 7177929339..ad38c01ec2 100644
--- a/openstackclient/image/v2/image.py
+++ b/openstackclient/image/v2/image.py
@@ -1193,7 +1193,7 @@ class UnsetImage(command.Command):
         if parsed_args.properties:
             for k in parsed_args.properties:
                 if k in image:
-                    kwargs[k] = None
+                    delattr(image, k)
                 elif k in image.properties:
                     # Since image is an "evil" object from SDK POV we need to
                     # pass modified properties object, so that SDK can figure
diff --git a/openstackclient/tests/functional/image/v2/test_image.py b/openstackclient/tests/functional/image/v2/test_image.py
index 264ba5199c..0a3a73602c 100644
--- a/openstackclient/tests/functional/image/v2/test_image.py
+++ b/openstackclient/tests/functional/image/v2/test_image.py
@@ -119,6 +119,7 @@ class ImageTests(base.BaseImageTests):
             'image set ' +
             '--property a=b ' +
             '--property c=d ' +
+            '--property hw_rng_model=virtio ' +
             '--public ' +
             self.name
         )
@@ -133,6 +134,7 @@ class ImageTests(base.BaseImageTests):
             'image unset ' +
             '--property a ' +
             '--property c ' +
+            '--property hw_rng_model ' +
             self.name
         )
         json_output = json.loads(self.openstack(
diff --git a/openstackclient/tests/unit/image/v2/test_image.py b/openstackclient/tests/unit/image/v2/test_image.py
index ebeb8353a5..87dfdbeab9 100644
--- a/openstackclient/tests/unit/image/v2/test_image.py
+++ b/openstackclient/tests/unit/image/v2/test_image.py
@@ -1516,15 +1516,16 @@ class TestImageShow(TestImage):
 
 class TestImageUnset(TestImage):
 
-    attrs = {}
-    attrs['tags'] = ['test']
-    attrs['prop'] = 'test'
-    attrs['prop2'] = 'fake'
-    image = image_fakes.FakeImage.create_one_image(attrs)
-
     def setUp(self):
         super(TestImageUnset, self).setUp()
 
+        attrs = {}
+        attrs['tags'] = ['test']
+        attrs['hw_rng_model'] = 'virtio'
+        attrs['prop'] = 'test'
+        attrs['prop2'] = 'fake'
+        self.image = image_fakes.FakeImage.create_one_image(attrs)
+
         self.client.find_image.return_value = self.image
         self.client.remove_tag.return_value = self.image
         self.client.update_image.return_value = self.image
@@ -1567,22 +1568,20 @@ class TestImageUnset(TestImage):
     def test_image_unset_property_option(self):
 
         arglist = [
+            '--property', 'hw_rng_model',
             '--property', 'prop',
             self.image.id,
         ]
 
         verifylist = [
-            ('properties', ['prop']),
+            ('properties', ['hw_rng_model', 'prop']),
             ('image', self.image.id)
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
         result = self.cmd.take_action(parsed_args)
 
-        kwargs = {}
         self.client.update_image.assert_called_with(
-            self.image,
-            properties={'prop2': 'fake'},
-            **kwargs)
+            self.image, properties={'prop2': 'fake'})
 
         self.assertIsNone(result)
 
@@ -1590,23 +1589,21 @@ class TestImageUnset(TestImage):
 
         arglist = [
             '--tag', 'test',
+            '--property', 'hw_rng_model',
             '--property', 'prop',
             self.image.id,
         ]
 
         verifylist = [
             ('tags', ['test']),
-            ('properties', ['prop']),
+            ('properties', ['hw_rng_model', 'prop']),
             ('image', self.image.id)
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
         result = self.cmd.take_action(parsed_args)
 
-        kwargs = {}
         self.client.update_image.assert_called_with(
-            self.image,
-            properties={'prop2': 'fake'},
-            **kwargs)
+            self.image, properties={'prop2': 'fake'})
 
         self.client.remove_tag.assert_called_with(
             self.image.id, 'test'