diff --git a/Solver/dofManager.h b/Solver/dofManager.h
index cc5ef998bf33b98e40f994a3ac909cda5eef585f..d33330cbde0f9d8f8f87ca8cbe5bea7bf9e0230b 100644
--- a/Solver/dofManager.h
+++ b/Solver/dofManager.h
@@ -590,6 +590,13 @@ class dofManager : public dofManagerBase{
 		}
 		else return it->second;
 	};
+	virtual void clearAllLineConstraints() {
+    constraints.clear();
+	}
+
+  std::map<Dof, DofAffineConstraint< dataVec > >& getAllLinearConstraints(){
+    return constraints;
+  };
 };
 
 #endif