diff --git a/s48/rt-modules/interfaces.scm b/s48/rt-modules/interfaces.scm
deleted file mode 100644
index 8a3a24a..0000000
--- a/s48/rt-modules/interfaces.scm
+++ /dev/null
@@ -1,15 +0,0 @@
-(define-interface rt-modules-interface
-  (export ((lambda-interface 
-	    with-names-from-rt-structure)
-	   :syntax)
-	  reify-structure
-	  load-structure
-	  load-config-file
-	  rt-structure-binding))
-
-(define-interface rt-modules-core-interface
-  (export interface-value-names 
-	  reify-structure
-	  load-config-file
-	  rt-structure-binding
-	  load-structure))
\ No newline at end of file
diff --git a/s48/rt-modules/packages.scm b/s48/rt-modules/packages.scm
deleted file mode 100644
index d4c1953..0000000
--- a/s48/rt-modules/packages.scm
+++ /dev/null
@@ -1,46 +0,0 @@
-(define-structure rt-modules rt-modules-interface
-
-  (open scheme
-	rt-modules-core)
-  (for-syntax (open scheme
-		    rt-modules-core))
-
-  (begin
-    (define-syntax lambda-interface
-      (lambda (expr rename compare)
-	(let ((%lambda (rename 'lambda))
-	      (interface-name (cadr expr))
-	      (body (cddr expr)))
-	  `(,%lambda ,(interface-value-names interface-name) ,@body))))
-
-    (define-syntax with-names-from-rt-structure
-      (lambda (expr rename compare)
-	(let ((%lambda (rename 'lambda))
-	      (%let (rename 'let))
-	      (%rt-structure-value (rename 'rt-structure-value))
-	      (%rt-structure-binding (rename 'rt-structure-binding))
-	      (rt-structure (cadr expr))
-	      (interface-name (caddr expr))
-	      (body (cdddr expr)))
- 	  (let ((ivn (interface-value-names interface-name)))
-	    `(,%let ((,%rt-structure-value ,rt-structure))
-	       ((,%lambda ,ivn ,@body)
-		,@(map (lambda (name)
-			 `(,%rt-structure-binding ,%rt-structure-value ',name))
-		       ivn)))))))))
-
-(define-structure rt-modules-core rt-modules-core-interface
-  (open scheme
-	meta-types ; syntax-type
-	interfaces ; for-each-declaration
-	define-record-types
-	records
-	signals
-	bindings
-	packages
-	packages-internal
-	locations
-	environments
-	ensures-loaded
-	package-commands-internal)
-  (files rt-module))
diff --git a/s48/rt-modules/rt-module.scm b/s48/rt-modules/rt-module.scm
deleted file mode 100644
index bd9f4e0..0000000
--- a/s48/rt-modules/rt-module.scm
+++ /dev/null
@@ -1,49 +0,0 @@
-;;; This file is part of the Scheme Untergrund Library.
-
-;;; Copyright (c) 2002-2003 by Martin Gasbichler.
-;;; For copyright information, see the file COPYING which comes with
-;;; the distribution.
-
-(define (interface-value-names interface-name)
-  (let ((interface (environment-ref (config-package) interface-name))
-	(value-names '()))
-    (for-each-declaration
-     (lambda (name base-neme type)
-       (if (not (equal? type syntax-type))
-	   (set! value-names (cons name value-names))))
-     interface)
-    value-names))
-
-(define-record-type rt-structure :rt-structure
-  (make-rt-structure meta-structure)
-  rt-structure?
-  (meta-structure rt-structure-meta-structure))
-
-(define (rt-structure-loaded? rt-structure)
-  (package-loaded? 
-   (structure-package (rt-structure-meta-structure rt-structure))))
-
-(define-record-discloser :rt-structure
-  (lambda (s)
-    (list 'rt-stucture (structure-name (rt-structure-meta-structure s)))))
-
-(define (reify-structure name)
-  (let ((struct (get-structure name)))
-    (make-rt-structure struct)))
-
-(define (load-structure rts)
-  (ensure-loaded (rt-structure-meta-structure rts)))
-
-(define (rt-structure-binding structure name)
-  (if (not (rt-structure-loaded? structure))
-      (error "Structure not loaded" structure))
-  (contents
-   (binding-place
-    (generic-lookup (rt-structure-meta-structure structure)
-		    name))))
-
-(define (load-config-file file)
-  (load file (config-package)))
-
-
-