diff --git a/include/llvm/Support/ConstantRange.h b/include/llvm/Support/ConstantRange.h
index c3a6dd03fdf..e32426130a3 100644
--- a/include/llvm/Support/ConstantRange.h
+++ b/include/llvm/Support/ConstantRange.h
@@ -37,8 +37,6 @@
 
 namespace llvm {
 
-class ConstantInt;
-
 /// ConstantRange - This class represents an range of values.
 ///
 class ConstantRange {
@@ -54,7 +52,6 @@ public:
   /// Initialize a range to hold the single specified value.
   ///
   ConstantRange(const APInt &Value);
-  ConstantRange(const ConstantInt *Value);
 
   /// @brief Initialize a range of values explicitly. This will assert out if
   /// Lower==Upper and Lower != Min or Max value for its type. It will also
diff --git a/lib/Support/ConstantRange.cpp b/lib/Support/ConstantRange.cpp
index 26a23efe031..d4e91a95fb5 100644
--- a/lib/Support/ConstantRange.cpp
+++ b/lib/Support/ConstantRange.cpp
@@ -40,8 +40,6 @@ ConstantRange::ConstantRange(uint32_t BitWidth, bool Full) {
 /// Initialize a range to hold the single specified value.
 ///
 ConstantRange::ConstantRange(const APInt & V) : Lower(V), Upper(V + 1) {}
-ConstantRange::ConstantRange(const ConstantInt *V)
-  : Lower(V->getValue()), Upper(V->getValue() + 1) {}
 
 ConstantRange::ConstantRange(const APInt &L, const APInt &U) :
   Lower(L), Upper(U) {