diff -ur a/Lava/Combinators.hs b/Lava/Combinators.hs
--- a/Lava/Combinators.hs	2012-11-24 13:56:41.000000000 +0900
+++ b/Lava/Combinators.hs	2012-11-24 13:44:18.000000000 +0900
@@ -4,7 +4,7 @@
 
 module Lava.Combinators (module Lava.Combinators)
 where
-import Control.Monad.State
+import Control.Monad.State (get, put, when)
 import Lava.Netlist
 import Lava.Utils
 
diff -ur a/Lava/ISE.hs b/Lava/ISE.hs
--- a/Lava/ISE.hs	2012-11-24 13:56:41.000000000 +0900
+++ b/Lava/ISE.hs	2012-11-24 13:29:11.000000000 +0900
@@ -4,7 +4,7 @@
 
 module Lava.ISE (Effort(..), xflow, implement)
 where
-import Directory
+import System.Directory
 import System.Cmd
 import Control.Monad
 
diff -ur a/tools/ReportPar.hs b/tools/ReportPar.hs
--- a/tools/ReportPar.hs	2012-11-24 13:56:41.000000000 +0900
+++ b/tools/ReportPar.hs	2012-11-24 13:27:29.000000000 +0900
@@ -6,7 +6,7 @@
 where
 
 import Control.Monad
-import Directory
+import System.Directory
 
 -------------------------------------------------------------------------------
 
diff -ur a/xilinx-lava.cabal b/xilinx-lava.cabal
--- a/xilinx-lava.cabal	2012-11-24 13:56:41.000000000 +0900
+++ b/xilinx-lava.cabal	2012-11-24 13:44:52.000000000 +0900
@@ -18,7 +18,7 @@
 Package-URL:     http://www.raintown.org/lava
 cabal-version:    >= 1.8
 Library 
-  Build-Depends:	 array, base >= 4 && < 5, mtl, directory, haskell98, old-time, process
+  Build-Depends:	 array, base >= 4 && < 5, mtl, directory, old-time, process
   Exposed-modules: Lava,
                    Lava.Adder,
                    Lava.Comparator,
@@ -53,8 +53,8 @@
                    Lava.Version
 Executable report_par
   Main-is:	 tools/ReportPar.hs
-  Build-Depends:	 base >= 4 && <5, directory, haskell98
+  Build-Depends:	 base >= 4 && <5, directory
 Executable implement
   Main-is:	 Implement.hs
-  Build-Depends:	 base >= 4 && <5, process, directory, haskell98
-  Other-Modules: Lava.ISE
+  Build-Depends:	 base >= 4 && <5, process, directory
+  Other-Modules: Lava.ISE