diff --git a/src/helpers/CustomLR1121.h b/src/helpers/CustomLR1121.h
deleted file mode 100644
index fa8aa871..00000000
--- a/src/helpers/CustomLR1121.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#pragma once
-
-#include <RadioLib.h>
-
-#define LR1121_IRQ_HAS_PREAMBLE                     0b0000000100  //  4     4     valid LoRa header received
-#define LR1121_IRQ_HEADER_VALID                     0b0000010000  //  4     4     valid LoRa header received
-
-class CustomLR1121 : public LR1121 {
-  public:
-    CustomLR1121(Module *mod) : LR1121(mod) { }
-
-    bool isReceiving() {
-      uint16_t irq = getIrqStatus();
-      bool hasPreamble = ((irq & LR1121_IRQ_HEADER_VALID) && (irq & LR1121_IRQ_HAS_PREAMBLE));
-      return hasPreamble;
-    }
-};
\ No newline at end of file