diff --git a/GHCMod.hs b/GHCMod.hs
index d136b6b..6e0866c 100644
--- a/GHCMod.hs
+++ b/GHCMod.hs
@@ -25,23 +25,14 @@ usage =    "ghc-mod version 0.4.0\n"
 
 defaultOptions :: Options
 defaultOptions = Options { convert = toPlain
-                         , ghc     = "ghc"
-                         , ghci    = "ghci"
                          , ghcPkg  = "ghc-pkg"
                          , outDir  = outputDir
-                         , outFile = outputFile
                          }
 
 argspec :: [OptDescr (Options -> Options)]
 argspec = [ Option "l" ["tolisp"]
             (NoArg (\opts -> opts { convert = toLisp }))
             "print as a list of Lisp"
-          , Option "g" ["ghc"]
-            (ReqArg (\str opts -> opts { ghc = str }) "ghc")
-            "GHC path"
-          , Option "i" ["ghci"]
-            (ReqArg (\str opts -> opts { ghci = str }) "ghci")
-            "ghci path"
           , Option "p" ["ghc-pkg"]
             (ReqArg (\str opts -> opts { ghcPkg = str }) "ghc-pkg")
             "ghc-pkg path"
diff --git a/Param.hs b/Param.hs
index 9ca4c72..d1ac9d0 100644
--- a/Param.hs
+++ b/Param.hs
@@ -2,11 +2,8 @@ module Param where
 
 data Options = Options {
     convert :: [String] -> String
-  , ghc     :: FilePath
-  , ghci    :: FilePath
   , ghcPkg  :: FilePath
   , outDir  :: FilePath
-  , outFile :: FilePath
   }
 
 outputDir :: String
diff --git a/elisp/ghc-func.el b/elisp/ghc-func.el
index ec03c26..1341d77 100644
--- a/elisp/ghc-func.el
+++ b/elisp/ghc-func.el
@@ -59,13 +59,9 @@
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (defvar ghc-module-command "ghc-mod")
-(defvar ghc-ghc-command     (ghc-which "ghc"))
-(defvar ghc-ghci-command    (ghc-which "ghci"))
 (defvar ghc-ghc-pkg-command (ghc-which "ghc-pkg"))
 
 (defun ghc-module-command-args ()
-  (list "-g" ghc-ghc-command
-	"-i" ghc-ghci-command
-	"-p" ghc-ghc-pkg-command))
+  (list "-p" ghc-ghc-pkg-command))
 
 (provide 'ghc-func)