Remove an unnecessary friend declaration.

diff --git a/include/deal.II/lac/block_matrix_base.h b/include/deal.II/lac/block_matrix_base.h
index 0d38ae90a49d9aacc1a4757101e83bc4a8e6c02a..fb4ae24f6d05dad34f7b02491778749ffd274a62 100644 (file)
--- a/include/deal.II/lac/block_matrix_base.h
+++ b/include/deal.II/lac/block_matrix_base.h
@@ -100,10 +100,6 @@ namespace BlockMatrixIterators
      * Block column into which we presently point.
      */
     unsigned int col_block;
-
-    // Let the iterator class be a friend.
-    template <typename>
-    friend class MatrixIterator;
   };