diff --git a/llvm/lib/Target/ARM/MVEVPTBlockPass.cpp b/llvm/lib/Target/ARM/MVEVPTBlockPass.cpp
index 30964c3610280..2de9829480db4 100644
--- a/llvm/lib/Target/ARM/MVEVPTBlockPass.cpp
+++ b/llvm/lib/Target/ARM/MVEVPTBlockPass.cpp
@@ -173,6 +173,7 @@ CreateVPTBlock(MachineBasicBlock::instr_iterator &Iter,
                MachineBasicBlock::instr_iterator EndIter,
                SmallVectorImpl<MachineInstr *> &DeadInstructions) {
   MachineBasicBlock::instr_iterator BlockBeg = Iter;
+  (void)BlockBeg;
   assert(getVPTInstrPredicate(*Iter) == ARMVCC::Then &&
          "Expected a Predicated Instruction");