diff --git a/Doxyfile b/Doxyfile
index 3c1d2d18..db6d223b 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -2172,7 +2172,8 @@ INCLUDE_FILE_PATTERNS  =
 # recursively expanded use the := operator instead of the = operator.
 # This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
 
-PREDEFINED             = protected=private
+PREDEFINED             = protected=private \
+                         DOXYGEN
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
 # tag can be used to specify a list of macro names that should be expanded. The
diff --git a/src/BuildOpt.h b/src/BuildOpt.h
index 2e2e8835..5e6ca965 100644
--- a/src/BuildOpt.h
+++ b/src/BuildOpt.h
@@ -1010,6 +1010,13 @@
   #define RADIOLIB_STATIC_ARRAY_SIZE   (256)
 #endif
 
+
+// This only compiles on STM32 boards with SUBGHZ module, but also
+// include when generating docs
+#if (!defined(ARDUINO_ARCH_STM32) || !defined(SUBGHZSPI_BASE)) && !defined(DOXYGEN)
+  #define RADIOLIB_EXCLUDE_STM32WLX
+#endif
+
 #if defined(RADIOLIB_DEBUG)
   #if defined(RADIOLIB_BUILD_ARDUINO)
     #define RADIOLIB_DEBUG_PRINT(...) { RADIOLIB_DEBUG_PORT.print(__VA_ARGS__); }