1 files changed, 3 insertions, 4 deletions
diff --git a/compiler/hsSyn/HsPat.hs-boot b/compiler/hsSyn/HsPat.hs-boot
index 8cb82ed22e..b7efb1c28c 100644
--- a/compiler/hsSyn/HsPat.hs-boot
+++ b/compiler/hsSyn/HsPat.hs-boot
@@ -4,17 +4,16 @@
                                       -- in module PlaceHolder
 {-# LANGUAGE ConstraintKinds #-}
 {-# LANGUAGE RoleAnnotations #-}
+{-# LANGUAGE TypeFamilies #-}
 
 module HsPat where
 import SrcLoc( Located )
 
-import Data.Data hiding (Fixity)
 import Outputable
-import HsExtension      ( SourceTextX, DataId, OutputableBndrId )
+import HsExtension      ( OutputableBndrId, GhcPass )
 
 type role Pat nominal
 data Pat (i :: *)
 type LPat i = Located (Pat i)
 
-instance (DataId p) => Data (Pat p)
-instance (SourceTextX pass, OutputableBndrId pass) => Outputable (Pat pass)
+instance (p ~ GhcPass pass, OutputableBndrId p) => Outputable (Pat p)