diff --git a/spec/helpers.rb b/spec/helpers.rb
index 890cfd1..924d8df 100644
--- a/spec/helpers.rb
+++ b/spec/helpers.rb
@@ -1,7 +1,8 @@
-def expect_json(
-  ok = true,
-  http = 200
-)
+def redis
+  @redis ||= Redis.new
+end
+
+def expect_json(ok = true, http = 200)
   expect(last_response.header['Content-Type']).to eq('application/json')
 
   if (ok == true) then
diff --git a/spec/vmpooler/api/v1/token_spec.rb b/spec/vmpooler/api/v1/token_spec.rb
index 4cd0a2b..d386457 100644
--- a/spec/vmpooler/api/v1/token_spec.rb
+++ b/spec/vmpooler/api/v1/token_spec.rb
@@ -11,10 +11,6 @@ module Vmpooler
   end
 end
 
-def redis
-  @redis ||= Redis.new
-end
-
 describe Vmpooler::API::V1 do
   include Rack::Test::Methods
 
diff --git a/spec/vmpooler/api/v1/vm_hostname_spec.rb b/spec/vmpooler/api/v1/vm_hostname_spec.rb
index 4d62c2a..6ad79cb 100644
--- a/spec/vmpooler/api/v1/vm_hostname_spec.rb
+++ b/spec/vmpooler/api/v1/vm_hostname_spec.rb
@@ -11,10 +11,6 @@ module Vmpooler
   end
 end
 
-def redis
-  @redis ||= Redis.new
-end
-
 describe Vmpooler::API::V1 do
   include Rack::Test::Methods
 
diff --git a/spec/vmpooler/api/v1/vm_spec.rb b/spec/vmpooler/api/v1/vm_spec.rb
index 29e6b19..fe5e544 100644
--- a/spec/vmpooler/api/v1/vm_spec.rb
+++ b/spec/vmpooler/api/v1/vm_spec.rb
@@ -11,10 +11,6 @@ module Vmpooler
   end
 end
 
-def redis
-  @redis ||= Redis.new
-end
-
 describe Vmpooler::API::V1 do
   include Rack::Test::Methods
 
diff --git a/spec/vmpooler/api/v1/vm_template_spec.rb b/spec/vmpooler/api/v1/vm_template_spec.rb
index cdb2e37..71a1c63 100644
--- a/spec/vmpooler/api/v1/vm_template_spec.rb
+++ b/spec/vmpooler/api/v1/vm_template_spec.rb
@@ -11,10 +11,6 @@ module Vmpooler
   end
 end
 
-def redis
-  @redis ||= Redis.new
-end
-
 describe Vmpooler::API::V1 do
   include Rack::Test::Methods