diff --git a/dune/istl/paamg/aggregates.hh b/dune/istl/paamg/aggregates.hh
index e6f3c0b4abaad7feea309c111ca666a88e66fcce..4cfdd4b1908fb98d8f8e1bccc37165bbb4d6f2a9 100644
--- a/dune/istl/paamg/aggregates.hh
+++ b/dune/istl/paamg/aggregates.hh
@@ -2216,7 +2216,6 @@ namespace Dune
             // isolated vertices are not aggregated but skipped on the coarser levels.
             aggregates[seed]=AggregatesMap<Vertex>::ISOLATED;
             ++skippedAggregates;
-            throw "huch";
             // skip rest as no agglomeration is done.
             continue;
           }else