Index: src/runtime/ObjFW-RT.h
==================================================================
--- src/runtime/ObjFW-RT.h
+++ src/runtime/ObjFW-RT.h
@@ -26,12 +26,10 @@
 
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
 
-#import "platform.h"
-
 #ifndef __has_feature
 # define __has_feature(x) 0
 #endif
 
 #ifndef __has_attribute
@@ -199,11 +197,11 @@
 	struct objc_protocol_list *_Nullable next;
 	long count;
 	Protocol *__unsafe_unretained _Nonnull list[1];
 };
 
-#if 1 /* !defined(OF_MORPHOS) || defined(OF_COMPILING_OBJFW_RT) */
+#if 1 /* !defined(__MORPHOS__) || defined(OF_COMPILING_OBJFW_RT) */
 # ifdef __cplusplus
 extern "C" {
 # endif
 extern SEL _Nonnull sel_registerName(const char *_Nonnull);
 extern const char *_Nonnull sel_getName(SEL _Nonnull);