diff --git a/src/language/algorithms/ElasticityDiamondAlgorithm.cpp b/src/language/algorithms/ElasticityDiamondAlgorithm.cpp
index 0ddfa777494f0ac15991a1db9d47a89668b9a5f4..ecc27e635501d533ff4f8a8560eec7a779efe1c1 100644
--- a/src/language/algorithms/ElasticityDiamondAlgorithm.cpp
+++ b/src/language/algorithms/ElasticityDiamondAlgorithm.cpp
@@ -697,7 +697,6 @@ ElasticityDiamondScheme<Dimension>::ElasticityDiamondScheme(
               const auto& value_list = bc.valueList();
               for (size_t i_face = 0; i_face < face_list.size(); ++i_face) {
                 FaceId face_id = face_list[i_face];
-                Assert(face_to_cell_matrix[face_id].size() == 1);
                 for (size_t i = 0; i < Dimension; ++i) {
                   b[face_dof_number[face_id] * Dimension + i] += mes_l[face_id] * value_list[i_face][i];   // sign
                 }
diff --git a/src/language/algorithms/HeatDiamondAlgorithm.cpp b/src/language/algorithms/HeatDiamondAlgorithm.cpp
index 5f66eb48e79378b25ebab8191f39b88625a8973d..a8b79c0d14039e9881f4f30abdc7b05a22ca51e9 100644
--- a/src/language/algorithms/HeatDiamondAlgorithm.cpp
+++ b/src/language/algorithms/HeatDiamondAlgorithm.cpp
@@ -610,7 +610,6 @@ HeatDiamondScheme<Dimension>::HeatDiamondScheme(
               const auto& value_list = bc.valueList();
               for (size_t i_face = 0; i_face < face_list.size(); ++i_face) {
                 FaceId face_id = face_list[i_face];
-                Assert(face_to_cell_matrix[face_id].size() == 1);
                 b[face_dof_number[face_id]] += mes_l[face_id] * value_list[i_face];   // sign
               }
             }