diff --git a/llvm/test/CodeGen/Hexagon/regalloc-bad-undef.mir b/llvm/test/CodeGen/Hexagon/regalloc-bad-undef.mir
index 8fed2c66da3c68627339d7e96207eeb72700ccba..397ea38c5d961f0d0d10004a4aca17af6ec62bb3 100644
--- a/llvm/test/CodeGen/Hexagon/regalloc-bad-undef.mir
+++ b/llvm/test/CodeGen/Hexagon/regalloc-bad-undef.mir
@@ -66,7 +66,6 @@
 name:            main
 alignment:       2
 tracksRegLiveness: true
-tracksSubRegLiveness: true
 registers:
   - { id: 0, class: intregs }
   - { id: 1, class: intregs }