diff --git a/LoRa_AT_Command_RYLR998_RYLR498.pdf b/LoRa_AT_Command_RYLR998_RYLR498.pdf
deleted file mode 100644
index ce73fa2..0000000
Binary files a/LoRa_AT_Command_RYLR998_RYLR498.pdf and /dev/null differ