diff --git a/lib/MC/MCWin64EH.cpp b/lib/MC/MCWin64EH.cpp
index 2e4eea3411f..8bc1f08c887 100644
--- a/lib/MC/MCWin64EH.cpp
+++ b/lib/MC/MCWin64EH.cpp
@@ -517,7 +517,6 @@ static void ARM64EmitUnwindInfo(MCStreamer &streamer, WinEH::FrameInfo *info) {
     auto &EpilogInstrs = I.second;
     uint32_t CodeBytes = ARM64CountOfUnwindCodes(EpilogInstrs);
 
-    uint32_t NumUnwindCodes = EpilogInstrs.size();
     MCSymbol* MatchingEpilog =
       FindMatchingEpilog(EpilogInstrs, AddedEpilogs, info);
     if (MatchingEpilog) {