@@ -225,14 +225,11 @@
 	return self;
 }
 
 - appendString: (OFString*)str
 {
-	[self appendCStringWithoutUTF8Checking: [str cString]];
-
-	if (str->is_utf8)
-		is_utf8 = YES;
+	[self appendCString: [str cString]];
 
 	return self;
 }
 
 - appendFormat: (OFString*)fmt, ...