diff --git a/libcloud/compute/drivers/ec2.py b/libcloud/compute/drivers/ec2.py
index b94dbdbd71..e29c5a7a52 100644
--- a/libcloud/compute/drivers/ec2.py
+++ b/libcloud/compute/drivers/ec2.py
@@ -1277,6 +1277,52 @@ def ex_create_security_group(self, name, description):
                   'GroupDescription': description}
         return self.connection.request(self.path, params=params).object
 
+    def ex_delete_security_group_by_id(self, group_id):
+        """
+        Deletes a new Security Group using the group id.
+
+        :param      group_id: The ID of the security group
+        :type       group_id: ``str``
+
+        :rtype: ``bool``
+        """
+        params = {'Action': 'DeleteSecurityGroup', 'GroupId': group_id}
+
+        result = self.connection.request(self.path, params=params).object
+        element = findtext(element=result, xpath='return',
+                           namespace=NAMESPACE)
+
+        return element == 'true'
+
+    def ex_delete_security_group_by_name(self, group_name):
+        """
+        Deletes a new Security Group using the group name.
+
+        :param      group_name: The name of the security group
+        :type       group_name: ``str``
+
+        :rtype: ``bool``
+        """
+        params = {'Action': 'DeleteSecurityGroup', 'GroupName': group_name}
+
+        result = self.connection.request(self.path, params=params).object
+        element = findtext(element=result, xpath='return',
+                           namespace=NAMESPACE)
+
+        return element == 'true'
+
+    def ex_delete_security_group(self, name):
+        """
+        Wrapper method which calls ex_delete_security_group_by_name
+
+        :param      name: The name of the security group
+        :type       name ``str``
+
+        :rtype: ``bool``
+        """
+
+        return self.ex_destroy_security_group_by_name(name)
+
     def ex_authorize_security_group(self, name, from_port, to_port, cidr_ip,
                                     protocol='tcp'):
         """
diff --git a/libcloud/test/compute/fixtures/ec2/delete_security_group.xml b/libcloud/test/compute/fixtures/ec2/delete_security_group.xml
new file mode 100644
index 0000000000..2dc4eec71d
--- /dev/null
+++ b/libcloud/test/compute/fixtures/ec2/delete_security_group.xml
@@ -0,0 +1,4 @@
+<DeleteSecurityGroupResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
+  <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId> 
+  <return>true</return>
+</DeleteSecurityGroupResponse>
\ No newline at end of file
diff --git a/libcloud/test/compute/test_ec2.py b/libcloud/test/compute/test_ec2.py
index d4caacc103..8d8c41a256 100644
--- a/libcloud/test/compute/test_ec2.py
+++ b/libcloud/test/compute/test_ec2.py
@@ -215,6 +215,21 @@ def test_list_security_groups(self):
         groups = self.driver.ex_list_security_groups()
         self.assertEqual(groups, ['WebServers', 'RangedPortsBySource'])
 
+    def test_ex_delete_security_group_by_id(self):
+        group_id = 'sg-443d0a12'
+        retValue = self.driver.ex_delete_security_group_by_id(group_id)
+        self.assertTrue(retValue)
+
+    def text_ex_delete_security_group_by_name(self):
+        group_name = 'WebServers'
+        retValue = self.driver.ex_delete_security_group_by_name(group_name)
+        self.assertTrue(retValue)
+
+    def text_ex_delete_security_group(self):
+        name = 'WebServers'
+        retValue = self.driver.ex_delete_security_group(name)
+        self.assertTrue(retValue)
+
     def test_authorize_security_group(self):
         resp = self.driver.ex_authorize_security_group('TestGroup', '22', '22',
                                                        '0.0.0.0/0')
@@ -809,6 +824,10 @@ def _DescribeSecurityGroups(self, method, url, body, headers):
         body = self.fixtures.load('describe_security_groups.xml')
         return (httplib.OK, body, {}, httplib.responses[httplib.OK])
 
+    def _DeleteSecurityGroup(self, method, url, body, headers):
+        body = self.fixtures.load('delete_security_group.xml')
+        return (httplib.OK, body, {}, httplib.responses[httplib.OK])
+
     def _AuthorizeSecurityGroupIngress(self, method, url, body, headers):
         body = self.fixtures.load('authorize_security_group_ingress.xml')
         return (httplib.OK, body, {}, httplib.responses[httplib.OK])