diff --git a/preprocessor/DynamicModel.cc b/preprocessor/DynamicModel.cc
index c85c26faa..4839dc3b1 100644
--- a/preprocessor/DynamicModel.cc
+++ b/preprocessor/DynamicModel.cc
@@ -2393,7 +2393,6 @@ DynamicModel::writeDynamicModel(ostream &DynamicOutput, bool use_dll, bool julia
                     << "  @assert size(y) == " << dynJacobianColsNbr << endl
                     << "  @assert size(params) == " << symbol_table.param_nbr() << endl
                     << "  @assert size(residual) == " << nrows << endl
-                    << "  fill!(residual, 0.0)" << endl
                     << "  #" << endl
                     << "  # Model equations" << endl
                     << "  #" << endl
diff --git a/preprocessor/StaticModel.cc b/preprocessor/StaticModel.cc
index 63a60d526..4fea0335e 100644
--- a/preprocessor/StaticModel.cc
+++ b/preprocessor/StaticModel.cc
@@ -1457,7 +1457,6 @@ StaticModel::writeStaticModel(ostream &StaticOutput, bool use_dll, bool julia) c
                    << "  @assert size(x) == " << symbol_table.exo_nbr() << endl
                    << "  @assert size(params) == " << symbol_table.param_nbr() << endl
                    << "  @assert size(residual) == " << equations.size() << endl
-                   << "  fill!(residual, 0.0)" << endl
                    << "  #" << endl
                    << "  # Model equations" << endl
                    << "  #" << endl