1 files changed, 4 insertions, 2 deletions
diff --git a/os/io/include/pal.h b/os/io/include/pal.h
index 67bc424b1..2ea625d5e 100644
--- a/os/io/include/pal.h
+++ b/os/io/include/pal.h
@@ -27,6 +27,8 @@
 #ifndef _PAL_H_
 #define _PAL_H_
 
+#if CH_HAL_USE_PAL
+
 /**
  * @brief Bits in a mode word dedicated as mode selector.
  * @details The other bits are not defined and may be used as device-specific
@@ -81,9 +83,7 @@
  */
 #define PAL_MODE_OUTPUT_OPENDRAIN       7
 
-#ifndef _PAL_LLD_H_
 #include "pal_lld.h"
-#endif
 
 /**
  * @brief Logical low state.
@@ -464,4 +464,6 @@ extern "C" {
 
 #endif /* _PAL_H_ */
 
+#endif /* CH_HAL_USE_PAL */
+
 /** @} */