diff --git a/src/System/Plugins/Load.hs b/src/System/Plugins/Load.hs
index 1daab7c..a081a8d 100644
--- a/src/System/Plugins/Load.hs
+++ b/src/System/Plugins/Load.hs
@@ -258,14 +258,13 @@ unify obj incs args ty sym = do
         let nm  = mkModid (basename tmpf) 
             src = mkTest nm (hierize' . mkModid . hierize $ obj)
                                 (fst $ break (=='.') ty) ty sym
-            is  = map (\s -> "-i"++s) incs      -- api
+            is  = map ("-i"++) incs             -- api
             i   = "-i" ++ dirname obj           -- plugin
 
         hWrite hdl src
 
         e <- build tmpf tmpf1 (i:is++args++["-fno-code","-ohi "++tmpf1])
-        -- removeFile tmpf 
-        removeFile tmpf1
+        mapM_ removeFile [tmpf,tmpf1]
         return e
 
         where
diff --git a/src/System/Plugins/Make.hs b/src/System/Plugins/Make.hs
index 5f17722..d5f413e 100644
--- a/src/System/Plugins/Make.hs
+++ b/src/System/Plugins/Make.hs
@@ -292,6 +292,8 @@ build :: FilePath          -- ^ path to .hs source
 build src obj extra_opts = do
 
     let odir = dirname obj -- always put the .hi file next to the .o file
+                           -- does this work in the presence of hier plugins?
+                           -- won't handle hier names properly.
 
     let ghc_opts = [ "-Onot" ]
         output   = [ "-o", obj, "-odir", odir, 
@@ -299,7 +301,6 @@ build src obj extra_opts = do
 
     let flags = ghc_opts ++ output ++ extra_opts ++ [src]
 
-
 #if DEBUG
     -- env.
     putStr $ show $ ghc : flags
@@ -354,8 +355,8 @@ mergeTo src stb out = rawMerge src stb out False
 -- directory.
 mergeToDir :: FilePath -> FilePath -> FilePath -> IO MergeStatus
 mergeToDir src stb dir = do
-	out <- mkUniqueIn dir
-	rawMerge src stb out True
+    out <- mkUniqueIn dir
+    rawMerge src stb out True
 
 -- ---------------------------------------------------------------------
 -- Conditional on file modification times, merge a src file with a