diff --git a/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp b/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp
index 8a84f55e33cdc..a3f31df368c56 100644
--- a/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp
@@ -452,8 +452,3 @@ HexagonRegisterInfo::getPointerRegClass(const MachineFunction &MF,
                                         unsigned Kind) const {
   return &Hexagon::IntRegsRegClass;
 }
-
-Register HexagonRegisterInfo::getFirstCallerSavedNonParamReg() const {
-  return Hexagon::R6;
-}
-
diff --git a/llvm/lib/Target/Hexagon/HexagonRegisterInfo.h b/llvm/lib/Target/Hexagon/HexagonRegisterInfo.h
index 4766fb5a84975..72153980236e9 100644
--- a/llvm/lib/Target/Hexagon/HexagonRegisterInfo.h
+++ b/llvm/lib/Target/Hexagon/HexagonRegisterInfo.h
@@ -71,8 +71,6 @@ class HexagonRegisterInfo : public HexagonGenRegisterInfo {
   const MCPhysReg *getCallerSavedRegs(const MachineFunction *MF,
         const TargetRegisterClass *RC) const;
 
-  Register getFirstCallerSavedNonParamReg() const;
-
   const TargetRegisterClass *
   getPointerRegClass(const MachineFunction &MF,
                      unsigned Kind = 0) const override;