diff --git a/src/protocols/LoRaWAN/LoRaWAN.h b/src/protocols/LoRaWAN/LoRaWAN.h
index 45bdb4bc..18e3b532 100644
--- a/src/protocols/LoRaWAN/LoRaWAN.h
+++ b/src/protocols/LoRaWAN/LoRaWAN.h
@@ -291,11 +291,7 @@ enum LoRaWANSchemeSession_t {
   RADIOLIB_LORAWAN_SESSION_TX_PARAM_SETUP     = RADIOLIB_LORAWAN_SESSION_RX_TIMING_SETUP + 1,     // 1 byte
   RADIOLIB_LORAWAN_SESSION_ADR_PARAM_SETUP    = RADIOLIB_LORAWAN_SESSION_TX_PARAM_SETUP + 1, 	    // 1 byte
   RADIOLIB_LORAWAN_SESSION_REJOIN_PARAM_SETUP = RADIOLIB_LORAWAN_SESSION_ADR_PARAM_SETUP + 1,     // 1 byte
-  RADIOLIB_LORAWAN_SESSION_BEACON_FREQ        = RADIOLIB_LORAWAN_SESSION_REJOIN_PARAM_SETUP + 1, 	// 3 bytes
-  RADIOLIB_LORAWAN_SESSION_PING_SLOT_CHANNEL  = RADIOLIB_LORAWAN_SESSION_BEACON_FREQ + 3, 	      // 4 bytes
-  RADIOLIB_LORAWAN_SESSION_PERIODICITY        = RADIOLIB_LORAWAN_SESSION_PING_SLOT_CHANNEL + 4,   // 1 byte
-  RADIOLIB_LORAWAN_SESSION_LAST_TIME          = RADIOLIB_LORAWAN_SESSION_PERIODICITY + 1, 	      // 4 bytes
-  RADIOLIB_LORAWAN_SESSION_UL_CHANNELS        = RADIOLIB_LORAWAN_SESSION_LAST_TIME + 4, 	        // 16*5 bytes
+  RADIOLIB_LORAWAN_SESSION_UL_CHANNELS        = RADIOLIB_LORAWAN_SESSION_REJOIN_PARAM_SETUP + 1, 	// 16*5 bytes
   RADIOLIB_LORAWAN_SESSION_DL_CHANNELS        = RADIOLIB_LORAWAN_SESSION_UL_CHANNELS + RADIOLIB_LORAWAN_NUM_AVAILABLE_CHANNELS*5, // 16*4 bytes
   RADIOLIB_LORAWAN_SESSION_AVAILABLE_CHANNELS = RADIOLIB_LORAWAN_SESSION_DL_CHANNELS + RADIOLIB_LORAWAN_NUM_AVAILABLE_CHANNELS*4, // 2 bytes
   RADIOLIB_LORAWAN_SESSION_MAC_QUEUE          = RADIOLIB_LORAWAN_SESSION_AVAILABLE_CHANNELS + sizeof(uint16_t),                   // 15 bytes