diff --git a/Configuration-parameters.md b/Configuration-parameters.md
index 388d268..67d401e 100644
--- a/Configuration-parameters.md
+++ b/Configuration-parameters.md
@@ -19,7 +19,6 @@
 | LoRa | LoraPinB | CFG_LORA_PIN_B | SX127x - set to DIO1, SX126X - set to BUSY |
 | LoRa | LoraPinSwitchRx | CFG_LORA_PIN_RXEN | SX127x - not used, SX126X - set to RXEN pin |
 | LoRa | LoraPinSwitchTx | CFG_LORA_PIN_TXEN | SX127x - not used, SX126X - set to TXEN pin |
-| LoRa | LoraUseIsr | CFG_LORA_USE_ISR | `true` - enable data reading in ISR, `false` - use polling or separate task (use when ISR is crashing or receive does not work) |
 | LoRa | LoraUseCad | CFG_LORA_USE_CAD | `true` - enable carrier sense (only for RadioLib library), `false` - disable carrier sense |
 | APRS | AprsHost | "rotate.aprs2.net"  | APRS-IS host |
 | APRS | AprsPort | 14580  | APRS-IS port |