1 files changed, 0 insertions, 37 deletions

diff --git a/src/mscorlib/src/System/Diagnostics/Stackframe.cs b/src/mscorlib/src/System/Diagnostics/Stackframe.cs
index 06d675ea08..13d8f5cdcc 100644
--- a/src/mscorlib/src/System/Diagnostics/Stackframe.cs
+++ b/src/mscorlib/src/System/Diagnostics/Stackframe.cs
@@ -8,12 +8,10 @@ namespace System.Diagnostics {
     using System;
     using System.IO;
     using System.Reflection;
-    using System.Security.Permissions;
     using System.Diagnostics.Contracts;
 
     // There is no good reason for the methods of this class to be virtual.
     [Serializable]
-    [System.Runtime.InteropServices.ComVisible(true)]
     public class StackFrame
     {
         private MethodBase    method;
@@ -23,10 +21,8 @@ namespace System.Diagnostics {
         private int            iLineNumber;
         private int            iColumnNumber;
     
-#if FEATURE_EXCEPTIONDISPATCHINFO
         [System.Runtime.Serialization.OptionalField]
         private bool            fIsLastFrameFromForeignExceptionStackTrace;
-#endif // FEATURE_EXCEPTIONDISPATCHINFO
 
         internal void InitMembers()
         {
@@ -36,9 +32,7 @@ namespace System.Diagnostics {
             strFileName = null;
             iLineNumber = 0;
             iColumnNumber = 0;
-#if FEATURE_EXCEPTIONDISPATCHINFO
             fIsLastFrameFromForeignExceptionStackTrace = false;
-#endif // FEATURE_EXCEPTIONDISPATCHINFO
 
         }
 
@@ -142,7 +136,6 @@ namespace System.Diagnostics {
             iColumnNumber = iCol;
         }
 
-#if FEATURE_EXCEPTIONDISPATCHINFO
         internal virtual void SetIsLastFrameFromForeignExceptionStackTrace (bool fIsLastFrame)
         {
             fIsLastFrameFromForeignExceptionStackTrace = fIsLastFrame;
@@ -152,7 +145,6 @@ namespace System.Diagnostics {
         {
             return fIsLastFrameFromForeignExceptionStackTrace;
         }
-#endif // FEATURE_EXCEPTIONDISPATCHINFO
 
         // Returns the method the frame is executing
         // 
@@ -187,17 +179,6 @@ namespace System.Diagnostics {
         //
         public virtual String GetFileName()
         {
-            if (strFileName != null)
-            {
-                // This isn't really correct, but we don't have
-                // a permission that protects discovery of potentially
-                // local urls so we'll use this.
-
-                FileIOPermission perm = new FileIOPermission( PermissionState.None );
-                perm.AllFiles = FileIOPermissionAccess.PathDiscovery;
-                perm.Demand();
-            }
-
             return strFileName;
         }
     
@@ -262,24 +243,6 @@ namespace System.Diagnostics {
 
                 bool useFileName = (strFileName != null);
 
-                if (useFileName)
-                {
-                    try
-                    {
-                        // This isn't really correct, but we don't have
-                        // a permission that protects discovery of potentially
-                        // local urls so we'll use this.
-
-                        FileIOPermission perm = new FileIOPermission(PermissionState.None);
-                        perm.AllFiles = FileIOPermissionAccess.PathDiscovery;
-                        perm.Demand();
-                    }
-                    catch (System.Security.SecurityException)
-                    {
-                        useFileName = false;
-                    }
-                }
-
                 if (!useFileName)
                     sb.Append("<filename unknown>");
                 else