diff --git a/library/compiler/amd64/architecture.factor b/library/compiler/amd64/architecture.factor
index 5b116d896d..2c11013128 100644
--- a/library/compiler/amd64/architecture.factor
+++ b/library/compiler/amd64/architecture.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2005, 2006 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 IN: compiler-backend
-USING: alien arrays assembler compiler compiler-backend kernel
+USING: alien arrays assembler compiler compiler-frontend kernel
 kernel-internals math namespaces sequences ;
 
 ! AMD64 register assignments
diff --git a/library/compiler/amd64/generator.factor b/library/compiler/amd64/generator.factor
index f00d05fae2..986a0c3819 100644
--- a/library/compiler/amd64/generator.factor
+++ b/library/compiler/amd64/generator.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2006 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 IN: compiler-backend
-USING: assembler kernel math namespaces ;
+USING: assembler compiler-frontend kernel math namespaces ;
 
 M: %prologue generate-node ( vop -- )
     drop