diff --git a/src/Magnum/GL/Buffer.h b/src/Magnum/GL/Buffer.h
index 37c62db0d..4e9d5b6d0 100644
--- a/src/Magnum/GL/Buffer.h
+++ b/src/Magnum/GL/Buffer.h
@@ -32,7 +32,7 @@
  */
 
 #include <cstddef>
-#include <utility>
+#include <utility> /* std::swap() */
 #include <Corrade/Containers/ArrayView.h>
 #include <Corrade/Containers/EnumSet.h>
 #include <Corrade/Utility/Assert.h>
diff --git a/src/Magnum/GL/TransformFeedback.h b/src/Magnum/GL/TransformFeedback.h
index d2426676a..be1e75a79 100644
--- a/src/Magnum/GL/TransformFeedback.h
+++ b/src/Magnum/GL/TransformFeedback.h
@@ -32,7 +32,7 @@
  */
 #endif
 
-#include <utility>
+#include <utility> /* std::swap() */
 
 #include "Magnum/Tags.h"
 #include "Magnum/GL/AbstractObject.h"