diff --git a/Grid/lattice/Lattice_ET.h b/Grid/lattice/Lattice_ET.h
index 91b456d9..4407be04 100644
--- a/Grid/lattice/Lattice_ET.h
+++ b/Grid/lattice/Lattice_ET.h
@@ -100,6 +100,7 @@ const lobj & eval(const uint64_t ss, const LatticeView<lobj> &arg)
 template <class lobj> accelerator_inline 
 const lobj & eval(const uint64_t ss, const Lattice<lobj> &arg) 
 {
+  assert(0);
   auto view = arg.View(AcceleratorRead);
   return view[ss];
 }
diff --git a/Grid/lattice/Lattice_basis.h b/Grid/lattice/Lattice_basis.h
index b930e018..af9d7280 100644
--- a/Grid/lattice/Lattice_basis.h
+++ b/Grid/lattice/Lattice_basis.h
@@ -62,7 +62,7 @@ void basisRotate(VField &basis,Matrix& Qt,int j0, int j1, int k0,int k1,int Nm)
     basis_v.push_back(basis[k].View(AcceleratorWrite));
   }
 
-#ifdef GRID_OMP
+#if ( (!defined(GRID_SYCL)) && (!defined(GRID_CUDA)) && (!defined(GRID_HIP)) )
   int max_threads = thread_max();
   Vector < vobj > Bt(Nm * max_threads);
   thread_region