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-rw-r--r--src/Propellor/Types/Singletons.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Propellor/Types/Singletons.hs b/src/Propellor/Types/Singletons.hs
index f2089ee8..7788c9aa 100644
--- a/src/Propellor/Types/Singletons.hs
+++ b/src/Propellor/Types/Singletons.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE CPP, DataKinds, PolyKinds, TypeOperators, TypeFamilies, GADTs, UndecidableInstances #-}
+{-# LANGUAGE CPP, DataKinds, PolyKinds, TypeOperators, TypeFamilies, GADTs, FlexibleContexts #-}
-- | Simple implementation of singletons, portable back to ghc 7.6.3