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-rw-r--r--compiler/iface/BinIface.hs1
-rw-r--r--compiler/iface/BuildTyCl.lhs2
-rw-r--r--compiler/iface/IfaceEnv.lhs1
3 files changed, 3 insertions, 1 deletions
diff --git a/compiler/iface/BinIface.hs b/compiler/iface/BinIface.hs
index 305fa54d0e..a69656533c 100644
--- a/compiler/iface/BinIface.hs
+++ b/compiler/iface/BinIface.hs
@@ -51,6 +51,7 @@ import Outputable
import Platform
import FastString
import Constants
+import Util
import Data.Bits
import Data.Char
diff --git a/compiler/iface/BuildTyCl.lhs b/compiler/iface/BuildTyCl.lhs
index d41ee68d20..9456bdaf34 100644
--- a/compiler/iface/BuildTyCl.lhs
+++ b/compiler/iface/BuildTyCl.lhs
@@ -38,7 +38,7 @@ import Type
import Coercion
import TcRnMonad
-import Util ( isSingleton )
+import Util
import Outputable
\end{code}
diff --git a/compiler/iface/IfaceEnv.lhs b/compiler/iface/IfaceEnv.lhs
index 4c66a98314..1e776f52a3 100644
--- a/compiler/iface/IfaceEnv.lhs
+++ b/compiler/iface/IfaceEnv.lhs
@@ -41,6 +41,7 @@ import FastString
import UniqSupply
import SrcLoc
import BasicTypes
+import Util
import Outputable
import Exception ( evaluate )