2 files changed, 8 insertions, 0 deletions
diff --git a/Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp b/Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp
index c24b869e0..3ddfc66b0 100644
--- a/Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp
+++ b/Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp
@@ -65,6 +65,10 @@ void FiniteDifferenceSolver::EvolveBCartesian (
     std::array< std::unique_ptr<amrex::MultiFab>, 3 > const& face_areas,
     int lev, amrex::Real const dt ) {
 
+#ifndef AMREX_USE_EB
+    amrex::ignore_unused(face_areas);
+#endif
+
     amrex::LayoutData<amrex::Real>* cost = WarpX::getCosts(lev);
 
     // Loop through the grids, and over the tiles within each grid
diff --git a/Source/FieldSolver/FiniteDifferenceSolver/EvolveE.cpp b/Source/FieldSolver/FiniteDifferenceSolver/EvolveE.cpp
index 3cb433e97..63fc8b38d 100644
--- a/Source/FieldSolver/FiniteDifferenceSolver/EvolveE.cpp
+++ b/Source/FieldSolver/FiniteDifferenceSolver/EvolveE.cpp
@@ -71,6 +71,10 @@ void FiniteDifferenceSolver::EvolveECartesian (
     std::unique_ptr<amrex::MultiFab> const& Ffield,
     int lev, amrex::Real const dt ) {
 
+#ifndef AMREX_USE_EB
+    amrex::ignore_unused(edge_lengths);
+#endif
+
     amrex::LayoutData<amrex::Real>* cost = WarpX::getCosts(lev);
     Real constexpr c2 = PhysConst::c * PhysConst::c;