Index: uspace/lib/c/include/net/modules.h
===================================================================
--- uspace/lib/c/include/net/modules.h	(revision 228e490270cec3d6a6de666f61839f0d9ed5f193)
+++ uspace/lib/c/include/net/modules.h	(revision 1b59023d265904456c850e31b8b942f8cf34a860)
@@ -49,13 +49,4 @@
 #include <sys/time.h>
 
-/** Converts the data length between different types.
- *
- * @param[in] type_from	The source type.
- * @param[in] type_to	The destination type.
- * @param[in] count	The number units of the source type size.
- */
-#define CONVERT_SIZE(type_from, type_to, count) \
-	((sizeof(type_from) / sizeof(type_to)) * (count))
-
 /** Registers the module service at the name server.
  *