diff --git a/src/OSD/OSD_File.cxx b/src/OSD/OSD_File.cxx
index e293c79944..c26b39edb9 100644
--- a/src/OSD/OSD_File.cxx
+++ b/src/OSD/OSD_File.cxx
@@ -700,9 +700,6 @@ int status;
 // Return lock of a file
 
 OSD_LockType  OSD_File::GetLock(){
- if (myFileChannel == -1)
-  Standard_ProgramError::Raise("OSD_File::GetLock : file is not open");
-
  return(myLock);
 }
 
@@ -762,19 +759,11 @@ TCollection_AsciiString PrinterName;
 // -------------------------------------------------------------------------- 
 
 Standard_Boolean OSD_File::IsOpen()const{
-
- if (myPath.Name().Length()==0)
-   Standard_ProgramError::Raise("OSD_File::IsOpen : empty file name");
-
  return (myFileChannel != -1);
 }
 
 
 Standard_Boolean OSD_File::IsLocked(){
-
- if (myPath.Name().Length()==0)
-   Standard_ProgramError::Raise("OSD_File::IsLocked : empty file name");
-
  return(myLock != OSD_NoLock); 
 }
 
@@ -2875,6 +2864,19 @@ Standard_Boolean OSD_File::IsExecutable()
 
 #endif /* _WIN32 */
 
+// ---------------------------------------------------------------------
+// Destructs a file object (unlocks and closes file if it is open)
+// ---------------------------------------------------------------------
+
+OSD_File::~OSD_File()
+{
+  if (IsOpen())
+  {
+    if (IsLocked())
+      UnLock();
+    Close();
+  }
+}
 
 // ---------------------------------------------------------------------
 // Read lines in a file while it is increasing.
diff --git a/src/OSD/OSD_File.hxx b/src/OSD/OSD_File.hxx
index 528f232b1b..2cc055f91a 100644
--- a/src/OSD/OSD_File.hxx
+++ b/src/OSD/OSD_File.hxx
@@ -52,6 +52,9 @@ public:
   
   //! Instantiates the object file, storing its name
   Standard_EXPORT OSD_File(const OSD_Path& Name);
+
+  //! Unlocks and closes a file, deletes a descriptor and destructs a file object.
+  Standard_EXPORT ~OSD_File();
   
   //! CREATES a file if it doesn't already exists or empties
   //! an existing file.
diff --git a/src/OSD/OSD_FileNode.hxx b/src/OSD/OSD_FileNode.hxx
index 51941d5176..067e8ccda8 100644
--- a/src/OSD/OSD_FileNode.hxx
+++ b/src/OSD/OSD_FileNode.hxx
@@ -18,16 +18,12 @@
 #define _OSD_FileNode_HeaderFile
 
 #include <Standard.hxx>
-#include <Standard_DefineAlloc.hxx>
-#include <Standard_Handle.hxx>
 
 #include <OSD_Path.hxx>
 #include <OSD_Error.hxx>
-#include <Standard_Boolean.hxx>
-#include <Standard_Integer.hxx>
+
 class OSD_OSDError;
 class Standard_ProgramError;
-class OSD_Path;
 class OSD_Protection;
 class Quantity_Date;
 
@@ -96,11 +92,7 @@ public:
   //! Returns error number if 'Failed' is TRUE.
   Standard_EXPORT Standard_Integer Error() const;
 
-
-
-
 protected:
-
   
   //! Creates FileNode object
   //! This is to be used with SetPath .
@@ -112,23 +104,14 @@ protected:
   //! If a name is not found, it raises a program error.
   Standard_EXPORT OSD_FileNode(const OSD_Path& Name);
 
+  //! Destructor is protected for safer inheritance
+  ~OSD_FileNode () {}
+
+protected:
 
   OSD_Path myPath;
   OSD_Error myError;
-
-
-private:
-
-
-
-
-
 };
 
 
-
-
-
-
-
 #endif // _OSD_FileNode_HeaderFile