diff --git a/src/protocols/RTTY/RTTY.cpp b/src/protocols/RTTY/RTTY.cpp
index eff2d7ad..c823fb28 100644
--- a/src/protocols/RTTY/RTTY.cpp
+++ b/src/protocols/RTTY/RTTY.cpp
@@ -2,17 +2,17 @@
 
 #include <math.h>
 
-#if !defined(RADIOLIB_EXCLUDE_RTTY)
+#if !RADIOLIB_EXCLUDE_RTTY
 
 RTTYClient::RTTYClient(PhysicalLayer* phy) {
   phyLayer = phy;
   lineFeed = "\r\n";
-  #if !defined(RADIOLIB_EXCLUDE_AFSK)
+  #if !RADIOLIB_EXCLUDE_AFSK
   audioClient = nullptr;
   #endif
 }
 
-#if !defined(RADIOLIB_EXCLUDE_AFSK)
+#if !RADIOLIB_EXCLUDE_AFSK
 RTTYClient::RTTYClient(AFSKClient* audio) {
   phyLayer = audio->phyLayer;
   lineFeed = "\r\n";
@@ -104,7 +104,7 @@ void RTTYClient::space() {
 }
 
 int16_t RTTYClient::transmitDirect(uint32_t freq, uint32_t freqHz) {
-  #if !defined(RADIOLIB_EXCLUDE_AFSK)
+  #if !RADIOLIB_EXCLUDE_AFSK
   if(audioClient != nullptr) {
     return(audioClient->tone(freqHz));
   }
@@ -116,7 +116,7 @@ int16_t RTTYClient::standby() {
   // ensure everything is stopped in interrupt timing mode
   Module* mod = phyLayer->getMod();
   mod->waitForMicroseconds(0, 0);
-  #if !defined(RADIOLIB_EXCLUDE_AFSK)
+  #if !RADIOLIB_EXCLUDE_AFSK
   if(audioClient != nullptr) {
     return(audioClient->noTone());
   }
diff --git a/src/protocols/RTTY/RTTY.h b/src/protocols/RTTY/RTTY.h
index 4ebbc7cc..4da4ca63 100644
--- a/src/protocols/RTTY/RTTY.h
+++ b/src/protocols/RTTY/RTTY.h
@@ -3,7 +3,7 @@
 
 #include "../../TypeDef.h"
 
-#if !defined(RADIOLIB_EXCLUDE_RTTY)
+#if !RADIOLIB_EXCLUDE_RTTY
 
 #include "../PhysicalLayer/PhysicalLayer.h"
 #include "../AFSK/AFSK.h"
@@ -22,7 +22,7 @@ class RTTYClient: public RadioLibPrint {
     */
     explicit RTTYClient(PhysicalLayer* phy);
 
-    #if !defined(RADIOLIB_EXCLUDE_AFSK)
+    #if !RADIOLIB_EXCLUDE_AFSK
     /*!
       \brief Constructor for AFSK mode.
       \param audio Pointer to the AFSK instance providing audio.
@@ -61,11 +61,11 @@ class RTTYClient: public RadioLibPrint {
     */
     size_t write(uint8_t b);
 
-#if !defined(RADIOLIB_GODMODE)
+#if !RADIOLIB_GODMODE
   private:
 #endif
     PhysicalLayer* phyLayer;
-    #if !defined(RADIOLIB_EXCLUDE_AFSK)
+    #if !RADIOLIB_EXCLUDE_AFSK
     AFSKClient* audioClient;
     #endif