diff --git a/basis/core-foundation/run-loop/run-loop.factor b/basis/core-foundation/run-loop/run-loop.factor
index c334297122..39f4101301 100644
--- a/basis/core-foundation/run-loop/run-loop.factor
+++ b/basis/core-foundation/run-loop/run-loop.factor
@@ -1,7 +1,6 @@
 ! Copyright (C) 2008 Slava Pestov
 ! See http://factorcode.org/license.txt for BSD license.
-USING: alien.syntax kernel threads init namespaces alien
-core-foundation calendar ;
+USING: alien alien.syntax core-foundation kernel namespaces ;
 IN: core-foundation.run-loop
 
 : kCFRunLoopRunFinished 1 ; inline
@@ -40,11 +39,3 @@ FUNCTION: void CFRunLoopAddSource (
         "kCFRunLoopDefaultMode" <CFString>
         dup \ CFRunLoopDefaultMode set-global
     ] when ;
-
-: run-loop-thread ( -- )
-    CFRunLoopDefaultMode 0 f CFRunLoopRunInMode
-    kCFRunLoopRunHandledSource = [ 1 seconds sleep ] unless
-    run-loop-thread ;
-
-: start-run-loop-thread ( -- )
-    [ run-loop-thread t ] "CFRunLoop dispatcher" spawn-server drop ;
diff --git a/basis/core-foundation/run-loop/thread/thread.factor b/basis/core-foundation/run-loop/thread/thread.factor
index 326226ec0e..aeeff312cb 100644
--- a/basis/core-foundation/run-loop/thread/thread.factor
+++ b/basis/core-foundation/run-loop/thread/thread.factor
@@ -1,8 +1,16 @@
 ! Copyright (C) 2008 Slava Pestov
 ! See http://factorcode.org/license.txt for BSD license.
-USING: init core-foundation.run-loop ;
+USING: calendar core-foundation.run-loop init kernel threads ;
 IN: core-foundation.run-loop.thread
 
 ! Load this vocabulary if you need a run loop running.
 
+: run-loop-thread ( -- )
+    CFRunLoopDefaultMode 0 f CFRunLoopRunInMode
+    kCFRunLoopRunHandledSource = [ 1 seconds sleep ] unless
+    run-loop-thread ;
+
+: start-run-loop-thread ( -- )
+    [ run-loop-thread t ] "CFRunLoop dispatcher" spawn-server drop ;
+
 [ start-run-loop-thread ] "core-foundation.run-loop.thread" add-init-hook