1 files changed, 5 insertions, 16 deletions
diff --git a/lib/gitlab/ci/config/node/undefined.rb b/lib/gitlab/ci/config/node/undefined.rb
index 699605e1e3a..45fef8c3ae5 100644
--- a/lib/gitlab/ci/config/node/undefined.rb
+++ b/lib/gitlab/ci/config/node/undefined.rb
@@ -3,24 +3,13 @@ module Gitlab
     class Config
       module Node
         ##
-        # This class represents an undefined entry node.
+        # This class represents an unspecified entry node.
         #
-        # It takes original entry class as configuration and returns default
-        # value of original entry as self value.
+        # It decorates original entry adding method that indicates it is
+        # unspecified.
         #
-        #
-        class Undefined < Entry
-          include Validatable
-
-          validations do
-            validates :config, type: Class
-          end
-
-          def value
-            @config.default
-          end
-
-          def defined?
+        class Undefined < SimpleDelegator
+          def specified?
             false
           end
         end