1 files changed, 16 insertions, 5 deletions
diff --git a/Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianCKCAlgorithm.H b/Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianCKCAlgorithm.H
index d5b567bc1..89370c57b 100644
--- a/Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianCKCAlgorithm.H
+++ b/Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianCKCAlgorithm.H
@@ -13,6 +13,7 @@
 #include <AMReX_REAL.H>
 #include <AMReX_Array4.H>
 #include <AMReX_Gpu.H>
+#include <AMReX.H>
 
 #include <algorithm>
 #include <array>
@@ -112,7 +113,7 @@ struct CartesianCKCAlgorithm {
     AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
     static amrex::Real UpwardDx (
         amrex::Array4<amrex::Real> const& F,
-        amrex::Real const * const coefs_x, int const n_coefs_x,
+        amrex::Real const * const coefs_x, int const /*n_coefs_x*/,
         int const i, int const j, int const k, int const ncomp=0 ) {
 
         amrex::Real const alphax = coefs_x[1];
@@ -145,7 +146,7 @@ struct CartesianCKCAlgorithm {
     AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
     static amrex::Real DownwardDx (
         amrex::Array4<amrex::Real> const& F,
-        amrex::Real const * const coefs_x, int const n_coefs_x,
+        amrex::Real const * const coefs_x, int const /*n_coefs_x*/,
         int const i, int const j, int const k, int const ncomp=0 ) {
 
         amrex::Real const inv_dx = coefs_x[0];
@@ -176,7 +177,12 @@ struct CartesianCKCAlgorithm {
                       +  F(i+1,j+1,k-1,ncomp) - F(i+1,j  ,k-1,ncomp)
                        +  F(i-1,j+1,k-1,ncomp) - F(i-1,j  ,k-1,ncomp));
 #elif (defined WARPX_DIM_XZ)
-            return 0._rt; // 2D Cartesian: derivative along y is 0
+        amrex::ignore_unused(F, coefs_y, n_coefs_y,
+            i, j, k, ncomp);
+        return 0._rt; // 2D Cartesian: derivative along y is 0
+#else
+        amrex::ignore_unused(F, coefs_y, n_coefs_y,
+            i, j, k, ncomp);
 #endif
     }
 
@@ -193,7 +199,12 @@ struct CartesianCKCAlgorithm {
         Real const inv_dy = coefs_y[0];
         return inv_dy*( F(i,j,k,ncomp) - F(i,j-1,k,ncomp) );
 #elif (defined WARPX_DIM_XZ)
+        amrex::ignore_unused(F, coefs_y, n_coefs_y,
+            i, j, k, ncomp);
         return 0._rt; // 2D Cartesian: derivative along y is 0
+#else
+        amrex::ignore_unused(F, coefs_y, n_coefs_y,
+            i, j, k, ncomp);
 #endif
     }
 
@@ -202,7 +213,7 @@ struct CartesianCKCAlgorithm {
     AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
     static amrex::Real UpwardDz (
         amrex::Array4<amrex::Real> const& F,
-        amrex::Real const * const coefs_z, int const n_coefs_z,
+        amrex::Real const * const coefs_z, int const /*n_coefs_z*/,
         int const i, int const j, int const k, int const ncomp=0 ) {
 
         using namespace amrex;
@@ -234,7 +245,7 @@ struct CartesianCKCAlgorithm {
     AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
     static amrex::Real DownwardDz (
         amrex::Array4<amrex::Real> const& F,
-        amrex::Real const * const coefs_z, int const n_coefs_z,
+        amrex::Real const * const coefs_z, int const /*n_coefs_z*/,
         int const i, int const j, int const k, int const ncomp=0 ) {
 
         amrex::Real const inv_dz = coefs_z[0];