diff --git a/dune/uggrid/gm/refine.cc b/dune/uggrid/gm/refine.cc
index c20880503b4bcb71f7abc2086fd45404b95d0d5e..a3dcfd4992cf66019250162cdcb429844720e8ed 100644
--- a/dune/uggrid/gm/refine.cc
+++ b/dune/uggrid/gm/refine.cc
@@ -5470,8 +5470,8 @@ static int AdaptGrid (GRID *theGrid, INT *nadapted)
   ELEMENT *NextElement;
   ELEMENTCONTEXT theContext;
   GRID *UpGrid;
-  const int me = theGrid->ppifContext().me();
 #ifdef ModelP
+  const int me = theGrid->ppifContext().me();
   auto& dddContext = theGrid->dddContext();
 #endif
 
diff --git a/dune/uggrid/gm/ugm.cc b/dune/uggrid/gm/ugm.cc
index 5d172c976c4973773c64fb3f5a9c5db80c62105d..38d7aadfad6998379b24cb349d0b27da1f56dce8 100644
--- a/dune/uggrid/gm/ugm.cc
+++ b/dune/uggrid/gm/ugm.cc
@@ -5267,9 +5267,11 @@ INT NS_DIM_PREFIX MultiGridStatus (const MULTIGRID *theMG, INT gridflag, INT gre
   INT master_elements,hghost_elements,vghost_elements,vhghost_elements;
         #endif
 
+#ifdef ModelP
   const auto& ppifContext = theMG->ppifContext();
   const int me = ppifContext.me();
   const int procs = ppifContext.procs();
+#endif
 
   mg_red = mg_green = mg_yellow = mg_sum = 0;
   mg_sum_div_red = mg_redplusgreen_div_red = 0.0;