diff --git a/collects/compiler/cm-accomplice.ss b/collects/compiler/cm-accomplice.ss
deleted file mode 100644
index 9cf2b293a9..0000000000
--- a/collects/compiler/cm-accomplice.ss
+++ /dev/null
@@ -1,5 +0,0 @@
-#lang scheme/base
-
-(require mzlib/cm-accomplice)
-
-(provide (all-from-out mzlib/cm-accomplice))
diff --git a/collects/compiler/cm.ss b/collects/compiler/cm.ss
deleted file mode 100644
index fb85ff0bf9..0000000000
--- a/collects/compiler/cm.ss
+++ /dev/null
@@ -1,5 +0,0 @@
-#lang scheme/base
-
-(require mzlib/cm)
-
-(provide (all-from-out mzlib/cm))
diff --git a/collects/mzlib/private/cm-ctime.ss b/collects/compiler/private/cm-ctime.ss
similarity index 100%
rename from collects/mzlib/private/cm-ctime.ss
rename to collects/compiler/private/cm-ctime.ss
diff --git a/collects/mzlib/cm-accomplice.ss b/collects/mzlib/cm-accomplice.ss
index 6d7e07eb9c..6ab7898895 100644
--- a/collects/mzlib/cm-accomplice.ss
+++ b/collects/mzlib/cm-accomplice.ss
@@ -9,10 +9,10 @@
       ;; Load the code in a separate thread, so that the dynamic
       ;; extent of this one (likely a phase-sensitive macro expansion)
       ;; doesn't pollute the load:
-      (thread-wait 
+      (thread-wait
        (thread (lambda ()
 		 (set! param
-		       (dynamic-require 'mzlib/private/cm-ctime
+		       (dynamic-require 'compiler/private/cm-ctime
 					'current-external-file-registrar)))))
       ((param) f))))
 
diff --git a/collects/mzlib/cm.ss b/collects/mzlib/cm.ss
index 4c9e151a2b..3ab9f034de 100644
--- a/collects/mzlib/cm.ss
+++ b/collects/mzlib/cm.ss
@@ -114,7 +114,7 @@
   (define param
     ;; Avoid using cm while loading cm-ctime:
     (parameterize ([use-compiled-file-paths null])
-      (dynamic-require 'mzlib/private/cm-ctime
+      (dynamic-require 'compiler/private/cm-ctime
                        'current-external-file-registrar)))
   (define external-deps null)
   (define (external-dep! p)