diff --git a/c/src/lib/libbsp/arm/rtl22xx/include/bsp.h b/c/src/lib/libbsp/arm/rtl22xx/include/bsp.h
index 649adfcac1..9b376daf0d 100644
--- a/c/src/lib/libbsp/arm/rtl22xx/include/bsp.h
+++ b/c/src/lib/libbsp/arm/rtl22xx/include/bsp.h
@@ -27,7 +27,6 @@
  */
 
 #include <rtems.h>
-#include <rtems/iosupp.h>
 
 #ifdef __cplusplus
 extern "C" {