diff --git a/core/multigrid/uniform_coarsening.cpp b/core/multigrid/uniform_coarsening.cpp
index 15fd9056895..c168501a8d7 100644
--- a/core/multigrid/uniform_coarsening.cpp
+++ b/core/multigrid/uniform_coarsening.cpp
@@ -93,8 +93,8 @@ void UniformCoarsening<ValueType, IndexType>::generate()
     coarse_matrix->set_strategy(uniform_coarsening_op->get_strategy());
     auto tmp = csr_type::create(exec, gko::dim<2>{fine_dim, coarse_dim});
     tmp->set_strategy(uniform_coarsening_op->get_strategy());
-    uniform_coarsening_op->apply(prolong_op.get(), tmp.get());
-    restrict_op->apply(tmp.get(), coarse_matrix.get());
+    uniform_coarsening_op->apply(prolong_op, tmp);
+    restrict_op->apply(tmp, coarse_matrix);
 
     this->set_multigrid_level(prolong_op, coarse_matrix, restrict_op);
 }
diff --git a/include/ginkgo/core/multigrid/uniform_coarsening.hpp b/include/ginkgo/core/multigrid/uniform_coarsening.hpp
index 1decd1e6053..174e769132b 100644
--- a/include/ginkgo/core/multigrid/uniform_coarsening.hpp
+++ b/include/ginkgo/core/multigrid/uniform_coarsening.hpp
@@ -22,9 +22,9 @@ namespace multigrid {
 
 
 /**
- * UniformCoarsening is a very simple coarse grid generation algorithm. It
- * selects the coarse matrix from the fine matrix by either constant jumps or
- * with a user-specified index_set of rows.
+ * UniformCoarsening is a simple coarse grid generation algorithm. It
+ * selects the coarse matrix from the fine matrix by constant jumps that can be
+ * specified by the user.
  *
  * @tparam ValueType  precision of matrix elements
  * @tparam IndexType  precision of matrix indexes