diff --git a/Cabal/Distribution/Simple/Setup.hs b/Cabal/Distribution/Simple/Setup.hs
index 2ce512bf538..fa2eaab1016 100644
--- a/Cabal/Distribution/Simple/Setup.hs
+++ b/Cabal/Distribution/Simple/Setup.hs
@@ -348,6 +348,7 @@ relaxDepsPrinter (Just (RelaxDepsSome pkgs)) = map (Just . display) $ pkgs
 -- should be updated.
 data ConfigFlags = ConfigFlags {
     -- This is the same hack as in 'buildArgs' and 'copyArgs'.
+    -- TODO: Stop using this eventually when 'UserHooks' gets changed
     configArgs :: [String],
 
     --FIXME: the configPrograms is only here to pass info through to configure
@@ -885,6 +886,7 @@ data CopyFlags = CopyFlags {
     copyAssumeDepsUpToDate   :: Flag Bool,
     -- This is the same hack as in 'buildArgs'.  But I (ezyang) don't
     -- think it's a hack, it's the right way to make hooks more robust
+    -- TODO: Stop using this eventually when 'UserHooks' gets changed
     copyArgs :: [String]
   }
   deriving (Show, Generic)