diff --git a/ghc/compiler/main/Constants.lhs b/ghc/compiler/main/Constants.lhs
index 536ebb5706eeda5dca3d99362350dbdeaad15b77..154867b82e9a4bffe43ac23a6f6555a5660d2f55 100644
--- a/ghc/compiler/main/Constants.lhs
+++ b/ghc/compiler/main/Constants.lhs
@@ -46,8 +46,6 @@ module Constants (
 	mAX_Float_REG,
 	mAX_Double_REG,
 
-	mIN_BIG_TUPLE_SIZE,
-
     	mIN_MP_INT_SIZE,
 	mP_STRUCT_SIZE,
 
@@ -107,11 +105,6 @@ mIN_SIZE_NonUpdHeapObject	= (MIN_NONUPD_SIZE::Int)
 mIN_SIZE_NonUpdStaticHeapObject	= (0::Int)
 \end{code}
 
-A completely random number:
-\begin{code}
-mIN_BIG_TUPLE_SIZE = (16::Int)
-\end{code}
-
 Sizes of gmp objects:
 \begin{code}
 mIN_MP_INT_SIZE = (MIN_MP_INT_SIZE :: Int)