diff --git a/CMakeLists.txt b/CMakeLists.txt
index 596193f..08a7b55 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,7 +50,6 @@ download_project(PROJ		    vcglib_devel
                  PREFIX             ${EXTERNAL_DEPS_DIR}
                  ${UPDATE_DISCONNECTED_IF_AVAILABLE}
 )
-add_subdirectory(${vcglib_devel_SOURCE_DIR} ${vcglib_devel_BINARY_DIR})
 
 ##matplot++ lib
 download_project(PROJ               MATPLOTPLUSPLUS
diff --git a/drmsimulationmodel.cpp b/drmsimulationmodel.cpp
index cad27ec..1cb44ae 100755
--- a/drmsimulationmodel.cpp
+++ b/drmsimulationmodel.cpp
@@ -1323,7 +1323,6 @@ void DRMSimulationModel::updateNodalAccelerations()
         Node &node = pMesh->nodes[v];
         const VertexIndex vi = pMesh->getIndex(v);
         node.acceleration = node.force.residual / node.mass_6d;
-        const bool shouldTrigger = mCurrentSimulationStep > 3500;
 #ifdef POLYSCOPE_DEFINED
         if (std::isnan(node.acceleration.norm())) {
             std::cout << "acceleration " << vi << ":" << node.acceleration.toString() << std::endl;