diff --git a/lld/lib/ReaderWriter/ELF/ARM/ARMRelocationPass.cpp b/lld/lib/ReaderWriter/ELF/ARM/ARMRelocationPass.cpp
index 89c9fe2d96ce..ebc0dd950330 100644
--- a/lld/lib/ReaderWriter/ELF/ARM/ARMRelocationPass.cpp
+++ b/lld/lib/ReaderWriter/ELF/ARM/ARMRelocationPass.cpp
@@ -746,7 +746,7 @@ public:
   }
 
   std::error_code handleGOT(const Reference &ref) {
-    if (const auto sla = dyn_cast<const SharedLibraryAtom>(ref.target())) {
+    if (dyn_cast<const SharedLibraryAtom>(ref.target())) {
       llvm_unreachable("Handle shared GOT entries");
     }
     return ARMRelocationPass::handleGOT(ref);