diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h
index 8b2322a7309..105baef2bcd 100644
--- a/include/llvm/Target/TargetRegisterInfo.h
+++ b/include/llvm/Target/TargetRegisterInfo.h
@@ -31,7 +31,6 @@ class MachineMove;
 class RegScavenger;
 class SDNode;
 class SelectionDAG;
-class TargetRegisterClass;
 class Type;
 
 /// TargetRegisterDesc - This record contains all of the information known about