diff --git a/spec/unit/provider/ceph_config/ini_setting_spec.rb b/spec/unit/provider/ceph_config/ini_setting_spec.rb
index e2b84cb2..f47ce563 100644
--- a/spec/unit/provider/ceph_config/ini_setting_spec.rb
+++ b/spec/unit/provider/ceph_config/ini_setting_spec.rb
@@ -42,7 +42,7 @@ describe provider_class do
       :path    => tmpfile,
   } }
 
-  def validate(expected, tmpfile = tmpfile)
+  def validate(expected)
     expect(File.read(tmpfile)).to eq(expected)
   end