diff --git a/src/Magnum/MeshTools/Test/RemoveDuplicatesTest.cpp b/src/Magnum/MeshTools/Test/RemoveDuplicatesTest.cpp
index b349addd1..3c932751e 100644
--- a/src/Magnum/MeshTools/Test/RemoveDuplicatesTest.cpp
+++ b/src/Magnum/MeshTools/Test/RemoveDuplicatesTest.cpp
@@ -42,6 +42,8 @@ struct RemoveDuplicatesTest: TestSuite::Tester {
     void removeDuplicatesIndexedInPlaceSmallType();
     void removeDuplicatesIndexedInPlaceEmptyIndices();
     void removeDuplicatesIndexedInPlaceEmptyIndicesVertices();
+
+    /* this is additionally regression-tested in PrimitivesIcosphereTest */
 };
 
 RemoveDuplicatesTest::RemoveDuplicatesTest() {
diff --git a/src/Magnum/MeshTools/Test/SubdivideTest.cpp b/src/Magnum/MeshTools/Test/SubdivideTest.cpp
index 9617af221..390b898f4 100644
--- a/src/Magnum/MeshTools/Test/SubdivideTest.cpp
+++ b/src/Magnum/MeshTools/Test/SubdivideTest.cpp
@@ -41,6 +41,8 @@ struct SubdivideTest: TestSuite::Tester {
     template<class T> void subdivideInPlace();
     void subdivideInPlaceWrongIndexCount();
     void subdivideInPlaceSmallIndexType();
+
+    /* this is additionally regression-tested in PrimitivesIcosphereTest */
 };
 
 typedef Math::Vector<1, Int> Vector1;