diff --git a/CucumberSwift/Gherkin/AST/Nodes.swift b/CucumberSwift/Gherkin/AST/Nodes.swift
index 8e246281..707294c6 100644
--- a/CucumberSwift/Gherkin/AST/Nodes.swift
+++ b/CucumberSwift/Gherkin/AST/Nodes.swift
@@ -23,22 +23,11 @@ extension AST {
         }
     }
 
-    class FeatureNode: Node {
-        //this class is merely a way to hold onto hierarchy, it's very useful in the parser
-    }
-    class RuleNode: Node {
-        //this class is merely a way to hold onto hierarchy, it's very useful in the parser
-    }
-    class BackgroundNode: Node {
-        //this class is merely a way to hold onto hierarchy, it's very useful in the parser
-    }
-    class ScenarioNode: Node {
-        //this class is merely a way to hold onto hierarchy, it's very useful in the parser
-    }
-    class ScenarioOutlineNode: Node {
-        //this class is merely a way to hold onto hierarchy, it's very useful in the parser
-    }
-    class StepNode: Node {
-        //this class is merely a way to hold onto hierarchy, it's very useful in the parser
-    }
+    //these classes are merely a way to hold onto hierarchy, it's very useful in the parser
+    class FeatureNode: Node { }
+    class RuleNode: Node { }
+    class BackgroundNode: Node { }
+    class ScenarioNode: Node { }
+    class ScenarioOutlineNode: Node { }
+    class StepNode: Node { }
 }