diff --git a/lib/Target/Mips/MipsFastISel.cpp b/lib/Target/Mips/MipsFastISel.cpp
index ad31ef8ea4d..2bb16e3cfb5 100644
--- a/lib/Target/Mips/MipsFastISel.cpp
+++ b/lib/Target/Mips/MipsFastISel.cpp
@@ -180,7 +180,7 @@ public:
 
 static bool CC_Mips(unsigned ValNo, MVT ValVT, MVT LocVT,
                     CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
-                    CCState &State) __attribute__((unused));
+                    CCState &State) LLVM_ATTRIBUTE_UNUSED;
 
 static bool CC_MipsO32_FP32(unsigned ValNo, MVT ValVT, MVT LocVT,
                             CCValAssign::LocInfo LocInfo,
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index 08519836fd5..ff2bfb37180 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -2356,10 +2356,9 @@ static bool CC_MipsO32_FP64(unsigned ValNo, MVT ValVT,
   return CC_MipsO32(ValNo, ValVT, LocVT, LocInfo, ArgFlags, State, F64Regs);
 }
 
-static bool CC_MipsO32(unsigned ValNo, MVT ValVT,
-                   MVT LocVT, CCValAssign::LocInfo LocInfo,
-                   ISD::ArgFlagsTy ArgFlags, CCState &State)
-__attribute__((unused));
+static bool CC_MipsO32(unsigned ValNo, MVT ValVT, MVT LocVT,
+                       CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
+                       CCState &State) LLVM_ATTRIBUTE_UNUSED;
 
 #include "MipsGenCallingConv.inc"