diff --git a/llvm/lib/VMCore/Constants.cpp b/llvm/lib/VMCore/Constants.cpp
index 7631e3cdb2d2fa77a6b6aaa983696da6bccc5bac..81f544b0e827b0fa45b94129f937215f6f5533e7 100644
--- a/llvm/lib/VMCore/Constants.cpp
+++ b/llvm/lib/VMCore/Constants.cpp
@@ -194,6 +194,7 @@ ConstantInt *ConstantInt::CreateTrueFalseVals(bool WhichOne) {
 //                                ConstantFP
 //===----------------------------------------------------------------------===//
 
+#ifndef NDEBUG 
 static const fltSemantics *TypeToFloatSemantics(const Type *Ty) {
   if (Ty == Type::FloatTy)
     return &APFloat::IEEEsingle;
@@ -207,6 +208,7 @@ static const fltSemantics *TypeToFloatSemantics(const Type *Ty) {
   assert(Ty == Type::PPC_FP128Ty && "Unknown FP format");
   return &APFloat::PPCDoubleDouble;
 }
+#endif
 
 ConstantFP::ConstantFP(const Type *Ty, const APFloat& V)
   : Constant(Ty, ConstantFPVal, 0, 0), Val(V) {