Remove unused included file

diff --git a/examples/step-6/step-6.cc b/examples/step-6/step-6.cc
index 8a647f63b751107d7f98961e7cc46ec0af1589a3..71e8889a5f984c72a25b0abfb0235f2cf15baaf7 100644 (file)
--- a/examples/step-6/step-6.cc
+++ b/examples/step-6/step-6.cc
@@ -23,7 +23,6 @@
 // The first few files have already been covered in previous examples and will
 // thus not be further commented on.
 #include <deal.II/base/quadrature_lib.h>
-#include <deal.II/base/function_lib.h>
 
 #include <deal.II/dofs/dof_handler.h>
 #include <deal.II/dofs/dof_tools.h>