diff --git a/library/compiler/interpret-only.factor b/library/compiler/interpret-only.factor
deleted file mode 100644
index 5befbece8c..0000000000
--- a/library/compiler/interpret-only.factor
+++ /dev/null
@@ -1,50 +0,0 @@
-! :folding=indent:collapseFolds=1:
-
-! $Id$
-!
-! Copyright (C) 2004 Slava Pestov.
-! 
-! Redistribution and use in source and binary forms, with or without
-! modification, are permitted provided that the following conditions are met:
-! 
-! 1. Redistributions of source code must retain the above copyright notice,
-!    this list of conditions and the following disclaimer.
-! 
-! 2. Redistributions in binary form must reproduce the above copyright notice,
-!    this list of conditions and the following disclaimer in the documentation
-!    and/or other materials provided with the distribution.
-! 
-! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
-! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-IN: compiler
-USE: combinators
-USE: errors
-USE: kernel
-USE: lists
-USE: stack
-USE: strings
-USE: words
-
-: interpret-only-error ( name -- )
-    "Cannot compile " swap cat2 throw ;
-
-: word-interpret-only ( word -- )
-    dup t "interpret-only" set-word-property
-    dup word-name [ interpret-only-error ] cons
-    "compiling" set-word-property ;
-
-\ call word-interpret-only
-\ execute word-interpret-only
-\ datastack word-interpret-only
-\ callstack word-interpret-only
-\ set-datastack word-interpret-only
-\ set-callstack word-interpret-only
diff --git a/library/compiler/stack.factor b/library/compiler/stack.factor
deleted file mode 100644
index ebdb3fb0b6..0000000000
--- a/library/compiler/stack.factor
+++ /dev/null
@@ -1,43 +0,0 @@
-! :folding=indent:collapseFolds=1:
-
-! $Id$
-!
-! Copyright (C) 2004 Slava Pestov.
-! 
-! Redistribution and use in source and binary forms, with or without
-! modification, are permitted provided that the following conditions are met:
-! 
-! 1. Redistributions of source code must retain the above copyright notice,
-!    this list of conditions and the following disclaimer.
-! 
-! 2. Redistributions in binary form must reproduce the above copyright notice,
-!    this list of conditions and the following disclaimer in the documentation
-!    and/or other materials provided with the distribution.
-! 
-! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
-! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-IN: compiler
-USE: stack
-USE: words
-
-: compile-drop ( -- )
-    commit-literals
-    4 ESI R-I ;
-
-: compile-dup ( -- )
-    commit-literals
-    ESI EAX [R]>R
-    4 ESI R+I
-    EAX ESI R>[R] ;
-
-\ drop [ compile-drop ] "compiling" set-word-property
-\ dup  [ compile-dup ] "compiling" set-word-property