diff --git a/js/js2/JSScope.h b/js/js2/JSScope.h
deleted file mode 100755
index 70891e70a12f..000000000000
--- a/js/js2/JSScope.h
+++ /dev/null
@@ -1,79 +0,0 @@
-// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
-//
-// The contents of this file are subject to the Netscape Public
-// License Version 1.1 (the "License"); you may not use this file
-// except in compliance with the License. You may obtain a copy of
-// the License at http://www.mozilla.org/NPL/
-//
-// Software distributed under the License is distributed on an "AS
-// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
-// implied. See the License for the specific language governing
-// rights and limitations under the License.
-//
-// The Original Code is the JavaScript 2 Prototype.
-//
-// The Initial Developer of the Original Code is Netscape
-// Communications Corporation.  Portions created by Netscape are
-// Copyright (C) 1998 Netscape Communications Corporation. All
-// Rights Reserved.
-
-/**
- * Opaque reference to a JavaScript object.
- */
-class JSObject;
-
-/**
- * Opaque reference to a general JavaScript identifier key.
- * This can represent both UNICODE strings, and other more
- * efficient representations, such as hashcodes, etc.
- */
-class JSIdentifier;
-
-/**
- * Some fundamental constants.
- */
-#define	JSNULL (0)
-#define JSUNDEFINED = ((JSObject*)(-1))
-
-/**
- * Basic abstraction to associate names with values in a chain of scopes.
- * Can represent any kind of scope, including lexical scopes (closures),
- * namespaces, and classes. Access control can be implemented
- */
-class JSScope {
-public:
-    /**
-     * Gets the enclosing scope of this scope (if any).
-     * @return enclosing scope or JSNULL if none.
-     */
-    virtual JSScope* getParent() = 0;
-
-    /**
-     * Defines a new identifier in the current scope. In a completely static
-     * model, this may not be possible, and so this operation will be ignored.
-     * @param start the evaluation scope
-     * @param id identifier to define
-     * @param value optional value to associate with id
-     */
-    virtual void defineValue(JSScope* start, JSIdentifier* id, JSObject* value = JSUNDEFINED) = 0;
-
-    /**
-     * Looks up a value corresponding to the given identifier starting
-     * with the current scope, and proceeding up the scope chain. If
-     * the identifier's is not defined in any of the scopes, the value
-     * JSUNDEFINED is returned.
-     * @param start the evaluation scope
-     * @parm id the identifer to lookup
-     * @return result of lookup or JSUNDEFINED
-     */
-    virtual JSObject* getValue(JSScope* start, JSIdentifier* id) = 0;
-	
-    /**
-     * Associates a value with an identifier in a given scope.
-     * @param start the evaluation scope
-     * @param id identifier to assign to
-     * @param value new value to give to id
-     * @return old value associated with identifier
-     */
-    virtual JSObject* setValue(JSScope* start, JSIdentifier* id, JSObject* value) = 0;
-};
diff --git a/js2/src/JSScope.h b/js2/src/JSScope.h
deleted file mode 100755
index 70891e70a12f..000000000000
--- a/js2/src/JSScope.h
+++ /dev/null
@@ -1,79 +0,0 @@
-// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
-//
-// The contents of this file are subject to the Netscape Public
-// License Version 1.1 (the "License"); you may not use this file
-// except in compliance with the License. You may obtain a copy of
-// the License at http://www.mozilla.org/NPL/
-//
-// Software distributed under the License is distributed on an "AS
-// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
-// implied. See the License for the specific language governing
-// rights and limitations under the License.
-//
-// The Original Code is the JavaScript 2 Prototype.
-//
-// The Initial Developer of the Original Code is Netscape
-// Communications Corporation.  Portions created by Netscape are
-// Copyright (C) 1998 Netscape Communications Corporation. All
-// Rights Reserved.
-
-/**
- * Opaque reference to a JavaScript object.
- */
-class JSObject;
-
-/**
- * Opaque reference to a general JavaScript identifier key.
- * This can represent both UNICODE strings, and other more
- * efficient representations, such as hashcodes, etc.
- */
-class JSIdentifier;
-
-/**
- * Some fundamental constants.
- */
-#define	JSNULL (0)
-#define JSUNDEFINED = ((JSObject*)(-1))
-
-/**
- * Basic abstraction to associate names with values in a chain of scopes.
- * Can represent any kind of scope, including lexical scopes (closures),
- * namespaces, and classes. Access control can be implemented
- */
-class JSScope {
-public:
-    /**
-     * Gets the enclosing scope of this scope (if any).
-     * @return enclosing scope or JSNULL if none.
-     */
-    virtual JSScope* getParent() = 0;
-
-    /**
-     * Defines a new identifier in the current scope. In a completely static
-     * model, this may not be possible, and so this operation will be ignored.
-     * @param start the evaluation scope
-     * @param id identifier to define
-     * @param value optional value to associate with id
-     */
-    virtual void defineValue(JSScope* start, JSIdentifier* id, JSObject* value = JSUNDEFINED) = 0;
-
-    /**
-     * Looks up a value corresponding to the given identifier starting
-     * with the current scope, and proceeding up the scope chain. If
-     * the identifier's is not defined in any of the scopes, the value
-     * JSUNDEFINED is returned.
-     * @param start the evaluation scope
-     * @parm id the identifer to lookup
-     * @return result of lookup or JSUNDEFINED
-     */
-    virtual JSObject* getValue(JSScope* start, JSIdentifier* id) = 0;
-	
-    /**
-     * Associates a value with an identifier in a given scope.
-     * @param start the evaluation scope
-     * @param id identifier to assign to
-     * @param value new value to give to id
-     * @return old value associated with identifier
-     */
-    virtual JSObject* setValue(JSScope* start, JSIdentifier* id, JSObject* value) = 0;
-};