diff --git a/cosserat-continuum.cc b/cosserat-continuum.cc
index 6482213faf5c115c16c232a47e54adae567d96c0..857c0d6999036860acbb7bf51641c7fe100e973c 100644
--- a/cosserat-continuum.cc
+++ b/cosserat-continuum.cc
@@ -94,7 +94,6 @@ struct NeumannFunction
     void evaluate(const FieldVector<double, dim>& x, FieldVector<double,3>& out) const {
         out = 0;
         out.axpy(homotopyParameter_, values_);
-        out[2] = -40*homotopyParameter_;
     }
 
     FieldVector<double,3> values_;