From c590a38cb36f9362327a8aa1b67ae76dab1d1f93 Mon Sep 17 00:00:00 2001
From: Dylan Simon <dylan@dylex.net>
Date: Tue, 21 Feb 2017 14:02:10 -0500
Subject: [PATCH] Remove invertible package flags

---
 build-constraints.yaml | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index de0f302f..00818970 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2925,12 +2925,6 @@ package-flags:
         ghc_7_7: false
         ghc_8_0: true
 
-    invertible:
-        TypeCompose: false
-        arrows: false
-        hlist: false
-        piso: false
-
 # end of package-flags
 
 # Special configure options for individual packages