diff --git a/src/Magnum/Math/Dual.h b/src/Magnum/Math/Dual.h
index 78a5afa9a..eef2f9740 100644
--- a/src/Magnum/Math/Dual.h
+++ b/src/Magnum/Math/Dual.h
@@ -33,7 +33,7 @@
 #include <Corrade/Utility/Debug.h>
 #endif
 #include <Corrade/Utility/StlMath.h>
-#include <Corrade/Utility/TypeTraits.h>
+#include <Corrade/Utility/TypeTraits.h> /* CORRADE_HAS_TYPE() */
 
 #include "Magnum/Math/Angle.h"
 #include "Magnum/Math/Tags.h"
diff --git a/src/Magnum/Vk/Implementation/structureHelpers.h b/src/Magnum/Vk/Implementation/structureHelpers.h
index ae3c145d7..c49cdd859 100644
--- a/src/Magnum/Vk/Implementation/structureHelpers.h
+++ b/src/Magnum/Vk/Implementation/structureHelpers.h
@@ -27,7 +27,7 @@
 
 #include <Corrade/Containers/Reference.h>
 #include <Corrade/Utility/Assert.h>
-#include <Corrade/Utility/TypeTraits.h>
+#include <Corrade/Utility/TypeTraits.h> /* CORRADE_HAS_TYPE() */
 
 #include "Magnum/Magnum.h"
 #include "Magnum/Vk/Vulkan.h"
diff --git a/src/Magnum/Vk/TypeTraits.h b/src/Magnum/Vk/TypeTraits.h
index 65f67baa1..a4cda35db 100644
--- a/src/Magnum/Vk/TypeTraits.h
+++ b/src/Magnum/Vk/TypeTraits.h
@@ -30,7 +30,7 @@
  * @m_since_latest
  */
 
-#include <Corrade/Utility/TypeTraits.h>
+#include <Corrade/Utility/TypeTraits.h> /* CORRADE_HAS_TYPE() */
 
 namespace Magnum { namespace Vk {