diff --git a/include/llvm/CodeGen/FastISel.h b/include/llvm/CodeGen/FastISel.h
index 471e9bfc40b..4f5a37ca0ab 100644
--- a/include/llvm/CodeGen/FastISel.h
+++ b/include/llvm/CodeGen/FastISel.h
@@ -26,7 +26,6 @@ class ConstantFP;
 class FunctionLoweringInfo;
 class Instruction;
 class LoadInst;
-class MachineBasicBlock;
 class MachineConstantPool;
 class MachineFunction;
 class MachineInstr;