diff --git a/src/riemanniantrsolver.cc b/src/riemanniantrsolver.cc
index bc833fe82994b59ae4d9fa9a154fc7a8fc571204..e9378398bcd700b428894b9293941d11af2d9ae6 100644
--- a/src/riemanniantrsolver.cc
+++ b/src/riemanniantrsolver.cc
@@ -274,8 +274,6 @@ void RiemannianTrustRegionSolver<GridType,TargetSpace>::solve()
         
         innerSolver_->preprocess();
         
-        mgStep->preprocess();
-        
         
         // /////////////////////////////
         //    Solve !