diff --git a/src/algebra/SparseMatrixDescriptor.hpp b/src/algebra/SparseMatrixDescriptor.hpp
index d5c14713bb6b91235b796a56f40b9a2f5a605805..f63a17576d619bf692f36a00e5c0c4e373effdbf 100644
--- a/src/algebra/SparseMatrixDescriptor.hpp
+++ b/src/algebra/SparseMatrixDescriptor.hpp
@@ -22,12 +22,6 @@ class SparseMatrixDescriptor
     std::map<IndexType, DataType> m_id_value_map;
 
    public:
-    const auto&
-    columnIdToValueMap() const
-    {
-      return m_id_value_map;
-    }
-
     IndexType
     numberOfValues() const noexcept
     {