@@ -11,18 +11,14 @@
  * Public License, either version 2 or 3, which can be found in the file
  * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
  * file.
  */
 
-#ifndef OBJFW_OF_MUTABLE_STRING_H
-#define OBJFW_OF_MUTABLE_STRING_H
-
-#include "OFString.h"
+#import "OFString.h"
 
 OF_ASSUME_NONNULL_BEGIN
 
-#ifdef __OBJC__
 /**
  * @class OFMutableString OFString.h ObjFW/OFString.h
  *
  * @brief A class for storing and modifying strings.
  */
@@ -208,10 +204,7 @@
 /**
  * @brief Converts the mutable string to an immutable string.
  */
 - (void)makeImmutable;
 @end
-#endif
 
 OF_ASSUME_NONNULL_END
-
-#endif