diff --git a/Grid/qcd/action/fermion/WilsonFermion5D.h b/Grid/qcd/action/fermion/WilsonFermion5D.h
index 91abf86a..eced6b81 100644
--- a/Grid/qcd/action/fermion/WilsonFermion5D.h
+++ b/Grid/qcd/action/fermion/WilsonFermion5D.h
@@ -178,16 +178,8 @@ public:
 		  GridRedBlackCartesian &FourDimRedBlackGrid,
 		  double _M5,const ImplParams &p= ImplParams());
 
-  virtual void DirichletBlock(Coordinate & block)
+  virtual void DirichletBlock(const Coordinate & block)
   {
-    assert(block.size()==Nd+1);
-    if ( block[0] || block[1] || block[2] || block[3] || block[4] ){
-      Dirichlet = 1;
-      Block = block;
-      Stencil.DirichletBlock(block); 
-      StencilEven.DirichletBlock(block); 
-      StencilOdd.DirichletBlock(block);
-    }
   }
   // Constructors
   /*