7 files changed, 6 insertions, 5 deletions
diff --git a/compiler/codeGen/CgBindery.lhs b/compiler/codeGen/CgBindery.lhs
index d9ddddb8bd..2ea13f6ad8 100644
--- a/compiler/codeGen/CgBindery.lhs
+++ b/compiler/codeGen/CgBindery.lhs
@@ -62,6 +62,7 @@ import StgSyn
 import Unique
 import UniqSet
 import Outputable
+import FastString
 
 \end{code}
 
diff --git a/compiler/codeGen/CgCon.lhs b/compiler/codeGen/CgCon.lhs
index 711c633fd8..b7dde73a97 100644
--- a/compiler/codeGen/CgCon.lhs
+++ b/compiler/codeGen/CgCon.lhs
@@ -52,6 +52,7 @@ import PrelInfo
 import Outputable
 import ListSetOps
 import Util
+import FastString
 \end{code}
 
 
diff --git a/compiler/codeGen/CgForeignCall.hs b/compiler/codeGen/CgForeignCall.hs
index 8e1be19beb..e9a542e5d1 100644
--- a/compiler/codeGen/CgForeignCall.hs
+++ b/compiler/codeGen/CgForeignCall.hs
@@ -43,6 +43,7 @@ import ClosureInfo
 import Constants
 import StaticFlags
 import Outputable
+import FastString
 
 import Control.Monad
 
diff --git a/compiler/codeGen/CgHeapery.lhs b/compiler/codeGen/CgHeapery.lhs
index 9cb1bb4370..4592e1964e 100644
--- a/compiler/codeGen/CgHeapery.lhs
+++ b/compiler/codeGen/CgHeapery.lhs
@@ -52,6 +52,7 @@ import Util
 import Constants
 import PackageConfig
 import Outputable
+import FastString
 
 import Data.List
 \end{code}
diff --git a/compiler/codeGen/CgPrimOp.hs b/compiler/codeGen/CgPrimOp.hs
index c77e8e5968..207ffe27d7 100644
--- a/compiler/codeGen/CgPrimOp.hs
+++ b/compiler/codeGen/CgPrimOp.hs
@@ -35,6 +35,7 @@ import PrimOp
 import SMRep
 import Constants
 import Outputable
+import FastString
 
 -- ---------------------------------------------------------------------------
 -- Code generation for PrimOps
diff --git a/compiler/codeGen/CgTailCall.lhs b/compiler/codeGen/CgTailCall.lhs
index cd100e8f21..475196abba 100644
--- a/compiler/codeGen/CgTailCall.lhs
+++ b/compiler/codeGen/CgTailCall.lhs
@@ -474,8 +474,3 @@ adjustSpAndHp newRealSp
 	}
 \end{code}
 
-Some things are unused.
-\begin{code}
-_unused :: FS.FastString
-_unused = undefined
-\end{code}
diff --git a/compiler/codeGen/SMRep.lhs b/compiler/codeGen/SMRep.lhs
index 4bc122222e..1845c449d4 100644
--- a/compiler/codeGen/SMRep.lhs
+++ b/compiler/codeGen/SMRep.lhs
@@ -53,6 +53,7 @@ import MachOp
 import StaticFlags
 import Constants
 import Outputable
+import FastString
 
 import Data.Word
 \end{code}