diff --git a/llvm/include/llvm/CodeGen/LiveVariables.h b/llvm/include/llvm/CodeGen/LiveVariables.h
index 7ba901fc28a4..71062a2a5196 100644
--- a/llvm/include/llvm/CodeGen/LiveVariables.h
+++ b/llvm/include/llvm/CodeGen/LiveVariables.h
@@ -85,17 +85,11 @@ public:
     ///
     SparseBitVector<> AliveBlocks;
 
-    /// NumUses - Number of uses of this register across the entire function.
-    ///
-    unsigned NumUses;
-
     /// Kills - List of MachineInstruction's which are the last use of this
     /// virtual register (kill it) in their basic block.
     ///
     std::vector<MachineInstr*> Kills;
 
-    VarInfo() : NumUses(0) {}
-
     /// removeKill - Delete a kill corresponding to the specified
     /// machine instruction. Returns true if there was a kill
     /// corresponding to this instruction, false otherwise.
diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp
index 96d36c8e56a1..77df27cc9795 100644
--- a/llvm/lib/CodeGen/LiveVariables.cpp
+++ b/llvm/lib/CodeGen/LiveVariables.cpp
@@ -130,7 +130,6 @@ void LiveVariables::HandleVirtRegUse(unsigned reg, MachineBasicBlock *MBB,
   unsigned BBNum = MBB->getNumber();
 
   VarInfo& VRInfo = getVarInfo(reg);
-  VRInfo.NumUses++;
 
   // Check to see if this basic block is already a kill block.
   if (!VRInfo.Kills.empty() && VRInfo.Kills.back()->getParent() == MBB) {
diff --git a/llvm/lib/CodeGen/PHIElimination.cpp b/llvm/lib/CodeGen/PHIElimination.cpp
index 0e52496f00c9..556fb406566c 100644
--- a/llvm/lib/CodeGen/PHIElimination.cpp
+++ b/llvm/lib/CodeGen/PHIElimination.cpp
@@ -241,7 +241,6 @@ void PHIElimination::LowerAtomicPHINode(
       LiveVariables::VarInfo &VI = LV->getVarInfo(IncomingReg);
 
       // Increment use count of the newly created virtual register.
-      VI.NumUses++;
       LV->setPHIJoin(IncomingReg);
 
       // When we are reusing the incoming register, it may already have been