diff --git a/include/utils/ObbFile.h b/include/utils/ObbFile.h
index 075927c..d2ca82e 100644
--- a/include/utils/ObbFile.h
+++ b/include/utils/ObbFile.h
@@ -35,6 +35,8 @@
     bool readFrom(int fd);
     bool writeTo(const char* filename);
     bool writeTo(int fd);
+    bool removeFrom(const char* filename);
+    bool removeFrom(int fd);
 
     const char* getFileName() const {
         return mFileName;
@@ -78,6 +80,8 @@
 
     size_t mFileSize;
 
+    size_t mFooterStart;
+
     unsigned char* mReadBuf;
 
     bool parseObbFile(int fd);