diff --git a/include/linux/stddef.h b/include/linux/stddef.h
index 81e34c260..e36632872 100644
--- a/include/linux/stddef.h
+++ b/include/linux/stddef.h
@@ -8,6 +8,11 @@
 #define NULL ((void *)0)
 #endif
 
+enum {
+	false	= 0,
+	true	= 1
+};
+
 #ifndef _SIZE_T
 #include <linux/types.h>
 #endif
diff --git a/include/xyzModem.h b/include/xyzModem.h
index 9723e731c..a3ea76809 100644
--- a/include/xyzModem.h
+++ b/include/xyzModem.h
@@ -97,9 +97,6 @@ typedef struct {
 #endif
 } connection_info_t;
 
-#define false 0
-#define true 1
-
 #endif