diff --git a/src/modules/nRF24/nRF24.cpp b/src/modules/nRF24/nRF24.cpp
index c48b5b17..e4923bcd 100644
--- a/src/modules/nRF24/nRF24.cpp
+++ b/src/modules/nRF24/nRF24.cpp
@@ -1,6 +1,6 @@
 #include "nRF24.h"
 #include <string.h>
-#if !defined(RADIOLIB_EXCLUDE_NRF24)
+#if !RADIOLIB_EXCLUDE_NRF24
 
 nRF24::nRF24(Module* mod) : PhysicalLayer(RADIOLIB_NRF24_FREQUENCY_STEP_SIZE, RADIOLIB_NRF24_MAX_PACKET_LENGTH) {
   this->mod = mod;
@@ -617,7 +617,7 @@ void nRF24::SPIwriteTxPayload(uint8_t* data, uint8_t numBytes) {
 void nRF24::SPItransfer(uint8_t cmd, bool write, uint8_t* dataOut, uint8_t* dataIn, uint8_t numBytes) {
   // prepare the buffers
   size_t buffLen = 1 + numBytes;
-  #if defined(RADIOLIB_STATIC_ONLY)
+  #if RADIOLIB_STATIC_ONLY
     uint8_t buffOut[RADIOLIB_STATIC_ARRAY_SIZE];
     uint8_t buffIn[RADIOLIB_STATIC_ARRAY_SIZE];
   #else
@@ -648,7 +648,7 @@ void nRF24::SPItransfer(uint8_t cmd, bool write, uint8_t* dataOut, uint8_t* data
     memcpy(dataIn, &buffIn[1], numBytes);
   }
 
-  #if !defined(RADIOLIB_STATIC_ONLY)
+  #if !RADIOLIB_STATIC_ONLY
     delete[] buffOut;
     delete[] buffIn;
   #endif
diff --git a/src/modules/nRF24/nRF24.h b/src/modules/nRF24/nRF24.h
index 5a59877f..d6f9346a 100644
--- a/src/modules/nRF24/nRF24.h
+++ b/src/modules/nRF24/nRF24.h
@@ -1,4 +1,4 @@
-#if !defined(_RADIOLIB_NRF24_H) && !defined(RADIOLIB_EXCLUDE_NRF24)
+#if !defined(_RADIOLIB_NRF24_H) && !RADIOLIB_EXCLUDE_NRF24
 #define _RADIOLIB_NRF24_H
 
 #include "../../Module.h"
@@ -467,7 +467,7 @@ class nRF24: public PhysicalLayer {
     */
     int16_t setEncoding(uint8_t encoding) override;
 
-#if !defined(RADIOLIB_GODMODE) && !defined(RADIOLIB_LOW_LEVEL)
+#if !RADIOLIB_GODMODE && !RADIOLIB_LOW_LEVEL
   protected:
 #endif
     Module* mod;
@@ -476,7 +476,7 @@ class nRF24: public PhysicalLayer {
     void SPIwriteTxPayload(uint8_t* data, uint8_t numBytes);
     void SPItransfer(uint8_t cmd, bool write = false, uint8_t* dataOut = NULL, uint8_t* dataIn = NULL, uint8_t numBytes = 0);
 
-#if !defined(RADIOLIB_GODMODE)
+#if !RADIOLIB_GODMODE
   protected:
 #endif