diff --git a/engine/common/net_ws.h b/engine/common/net_ws.h
index 240fb0c7..c7b1ac09 100644
--- a/engine/common/net_ws.h
+++ b/engine/common/net_ws.h
@@ -32,8 +32,6 @@ typedef enum
 #define MAX_INIT_MSG		0x20000	// max length of possible message
 #if XASH_LOW_MEMORY == 2
 #define MAX_INIT_MSG 0x8000
-#define MAX_DATAGRAM 1024
-#define MAX_MULTICAST 1024
 #endif
 // net packets type
 #define NET_HEADER_OUTOFBANDPACKET	-1
diff --git a/engine/common/netchan.h b/engine/common/netchan.h
index e64503bc..d6c11775 100644
--- a/engine/common/netchan.h
+++ b/engine/common/netchan.h
@@ -89,9 +89,9 @@ GNU General Public License for more details.
 #define NETSPLIT_HEADER_SIZE 18
 
 #if XASH_LOW_MEMORY == 2
-	#define MULTIPLAYER_BACKUP		4	// how many data slots to use when in multiplayer (must be power of 2)
-	#define SINGLEPLAYER_BACKUP		4	// same for single player
-	#define NUM_PACKET_ENTITIES		32	// 170 Mb for multiplayer with 32 players
+	#define MULTIPLAYER_BACKUP		4	// breaks protocol in legacy mode, new protocol status unknown
+	#define SINGLEPLAYER_BACKUP		4
+	#define NUM_PACKET_ENTITIES		32
 	#define MAX_CUSTOM_BASELINES		8
 	#define NET_MAX_FRAGMENT		32768
 #endif