diff --git a/fix-imports.cabal b/fix-imports.cabal
--- a/fix-imports.cabal
+++ b/fix-imports.cabal
@@ -1,5 +1,5 @@
 name: fix-imports
-version: 0.1.0
+version: 0.1.1
 cabal-version: >= 1.6
 build-type: Simple
 synopsis: Program to manage the imports of a haskell module
@@ -22,9 +22,13 @@
 data-files: README, vimrc
 extra-source-files: src/*.hs
 
+source-repository head
+    type: darcs
+    location: http://ofb.net/~elaforge/darcs/fix-imports/
+
 executable FixImports
     main-is: Main.hs
     hs-source-dirs: src
     build-depends: base >= 3 && < 5, containers, directory, filepath, process,
-        haskell-src-exts, uniplate, split, cpphs
+        haskell-src-exts >= 1.11, uniplate, split, cpphs
     ghc-options: -Wall -fno-warn-name-shadowing
diff --git a/src/Config.hs b/src/Config.hs
--- a/src/Config.hs
+++ b/src/Config.hs
@@ -17,14 +17,11 @@
     configShowImports :: [Types.ImportLine] -> String
     -- | See 'Index.Config'.
     , configIndex :: Index.Config
-    -- | A module can only be parsed if you know the fixities of all the
-    -- operators within it.
-    , configFixities :: [Haskell.Fixity]
     }
 
 defaultConfig :: [String] -> Config
 defaultConfig localModules = Config (formatGroups localModules)
-    (Index.Config packagePriority []) Haskell.baseFixities
+    (Index.Config packagePriority [])
 
 packagePriority :: [String]
 packagePriority = ["base", "containers", "directory", "mtl"]
@@ -55,9 +52,10 @@
         ]
     where
     packagePrio imp = (fromEnum (name imp /= prelude), name imp,
-        fromEnum (not (qualifiedImport imp)))
+        qualifiedPrio imp)
     localPrio imp = (listPriority (topModule imp) priorities,
-        name imp, fromEnum (qualifiedImport imp))
+        name imp, qualifiedPrio imp)
+    qualifiedPrio imp = fromEnum (not (qualifiedImport imp))
     name = Types.importModule
     (local, package) = List.partition Types.importIsLocal imports
     group = collapse . Util.groupOn topModule
diff --git a/src/FixImports.hs b/src/FixImports.hs
--- a/src/FixImports.hs
+++ b/src/FixImports.hs
@@ -117,13 +117,15 @@
     case parse processed of
         Haskell.ParseFailed srcloc err ->
             return $ Left $ Haskell.prettyPrint srcloc ++ ": " ++ err
-        Haskell.ParseOk (mod, cmts) -> fixImports config modulePath mod cmts
-            text
+        Haskell.ParseOk (mod, cmts) ->
+            fixImports config modulePath mod cmts text
     where
     parse = Haskell.parseFileContentsWithComments $
         Haskell.defaultParseMode
             { Haskell.parseFilename = modulePath
-            , Haskell.fixities = Config.configFixities config
+            -- The meaning of Nothing is undocumented, but I think it means
+            -- to not check for fixity ambiguity at all, which is what I want.
+            , Haskell.fixities = Nothing
             }
 
 -- | The parse function takes a CPP extension, but doesn't actually pay any