diff --git a/llvm/lib/Target/Mips/MipsISelLowering.h b/llvm/lib/Target/Mips/MipsISelLowering.h
index 0c5df4ba1bad..03933d820576 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.h
+++ b/llvm/lib/Target/Mips/MipsISelLowering.h
@@ -40,8 +40,6 @@
 namespace llvm {
 
 class Argument;
-class CCState;
-class CCValAssign;
 class FastISel;
 class FunctionLoweringInfo;
 class MachineBasicBlock;