diff --git a/Upsilon/Evaluator/Evaluator.cs b/Upsilon/Evaluator/Evaluator.cs
index a79edce..020e384 100644
--- a/Upsilon/Evaluator/Evaluator.cs
+++ b/Upsilon/Evaluator/Evaluator.cs
@@ -16,7 +16,7 @@ namespace Upsilon.Evaluator
 {
     internal class Evaluator : IDisposable
     {
-        private Script _script;
+        private readonly Script _script;
         private Diagnostics _diagnostics;
         private ScriptType _lastValue;
         private ScriptType _returnValue;
@@ -65,7 +65,6 @@ namespace Upsilon.Evaluator
 
         public ScriptType Evaluate(BoundScript e, string functionName, object[] parameters)
         {
-            EvaluateNode(e.Statement);
             if (!Scope.TryGet(functionName, out var statement) || statement.Type != Type.Function)
             {
                 throw new ArgumentException(($"Function '{functionName}' could not be found"));