diff --git a/Src/Microsoft.Dynamic/Debugging/DebugInfoRewriter.cs b/Src/Microsoft.Dynamic/Debugging/DebugInfoRewriter.cs
index 838465e3..17496e1d 100644
--- a/Src/Microsoft.Dynamic/Debugging/DebugInfoRewriter.cs
+++ b/Src/Microsoft.Dynamic/Debugging/DebugInfoRewriter.cs
@@ -17,7 +17,7 @@
 namespace Microsoft.Scripting.Debugging {
     using Ast = MSAst.Expression;
     using System.Threading;
-    
+
     /// <summary>
     /// Used to rewrite expressions containing DebugInfoExpressions.
     /// </summary>
@@ -355,17 +355,12 @@ protected override MSAst.Expression VisitDebugInfo(MSAst.DebugInfoExpression nod
                 // Update the location cookie
                 int locationCookie = _locationCookie++;
                 if (!_transformToGenerator) {
-                    MSAst.Expression tracebackCall = null;
-                    if (locationCookie == 0) {
-                        tracebackCall = Ast.Empty();
-                    } else {
-                        tracebackCall = Ast.Call(
-                            typeof(RuntimeOps).GetMethod(nameof(RuntimeOps.OnTraceEvent)),
-                            _thread,
-                            AstUtils.Constant(locationCookie),
-                            Ast.Convert(Ast.Constant(null), typeof(Exception))
-                        );
-                    }
+                    var tracebackCall = Ast.Call(
+                        typeof(RuntimeOps).GetMethod(nameof(RuntimeOps.OnTraceEvent)),
+                        _thread,
+                        AstUtils.Constant(locationCookie),
+                        Ast.Convert(Ast.Constant(null), typeof(Exception))
+                    );
 
                     transformedExpression = Ast.Block(
                         Ast.Assign(