             describe '1st creative (Linear)', ->
                 linear = null
 
-                before (done) =>
+                before () =>
                     linear = _response.ads[0].creatives[0]
-                    done()
+
+                after () =>
+                    linear = null
 
                 it 'should have linear type', =>
                     linear.type.should.equal "linear"

        describe '#For the 2nd ad', ->
            ad2 = null

            before (done) =>
                ad2 = _response.ads[1]
                done()

            it 'should have retrieved Ad attributes', =>
                _response.ads[1].id.should.eql "ad_id_0002"

            describe '2nd creative (Companions)', ->
                companions = null

                before () =>
                    companions = _response.ads[0].creatives[1]

                after () =>
                    companions = null

                it 'should have companion type', =>
                    companions.type.should.equal "companion"
