diff --git a/src/protocols/AFSK/AFSK.cpp b/src/protocols/AFSK/AFSK.cpp
index e2a90641..6cf64ac9 100644
--- a/src/protocols/AFSK/AFSK.cpp
+++ b/src/protocols/AFSK/AFSK.cpp
@@ -1,4 +1,5 @@
 #include "AFSK.h"
+#if !defined(RADIOLIB_EXCLUDE_AFSK)
 
 AFSKClient::AFSKClient(PhysicalLayer* phy, RADIOLIB_PIN_TYPE pin) {
   _phy = phy;
@@ -23,3 +24,5 @@ int16_t AFSKClient::noTone() {
   Module::noTone(_pin);
   return(_phy->standby());
 }
+
+#endif
diff --git a/src/protocols/AFSK/AFSK.h b/src/protocols/AFSK/AFSK.h
index c5c71221..c487dd17 100644
--- a/src/protocols/AFSK/AFSK.h
+++ b/src/protocols/AFSK/AFSK.h
@@ -1,4 +1,4 @@
-#ifndef _RADIOLIB_AFSK_H
+#if !defined(_RADIOLIB_AFSK_H) && !defined(RADIOLIB_EXCLUDE_AFSK)
 #define _RADIOLIB_AFSK_H
 
 #include "../../TypeDef.h"