diff --git a/flang/lib/Lower/Bridge.cpp b/flang/lib/Lower/Bridge.cpp
index 478c8f4c17ec46..47bd6ace4e4b56 100644
--- a/flang/lib/Lower/Bridge.cpp
+++ b/flang/lib/Lower/Bridge.cpp
@@ -3772,7 +3772,7 @@ class FirConverter : public Fortran::lower::AbstractConverter {
     localSymbols.pushScope();
     auto transferKindAttr = fir::CUDADataTransferKindAttr::get(
         builder.getContext(), fir::CUDADataTransferKind::DeviceHost);
-    unsigned nbDeviceResidentObject = 0;
+    [[maybe_unused]] unsigned nbDeviceResidentObject = 0;
     for (const Fortran::semantics::Symbol &sym :
          Fortran::evaluate::CollectSymbols(assign.rhs)) {
       if (const auto *details =