diff --git a/sys/include/net/netopt.h b/sys/include/net/netopt.h
index c5db2808ba..1112b84412 100644
--- a/sys/include/net/netopt.h
+++ b/sys/include/net/netopt.h
@@ -29,14 +29,6 @@
 extern "C" {
 #endif
 
-/**
- * @brief       A deprecated alias for @ref NETOPT_MAX_PDU_SIZE
- *
- * @deprecated  Please use @ref NETOPT_MAX_PDU_SIZE instead of
- *              `NETOPT_MAX_PACKET_SIZE`
- */
-#define NETOPT_MAX_PACKET_SIZE NETOPT_MAX_PDU_SIZE
-
 /**
  * @brief   Global list of configuration options available throughout the
  *          network stack, e.g. by netdev and netapi