diff --git a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h b/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
index d42481e9a1b556..c0c62b93661f7b 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
+++ b/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
@@ -93,8 +93,6 @@ class SDDbgOperand {
       return getVReg() == Other.getVReg();
     case FRAMEIX:
       return getFrameIx() == Other.getFrameIx();
-    default:
-      llvm_unreachable("unknown kind");
     }
   }