diff --git a/twrp-functions.hpp b/twrp-functions.hpp
index 661ca02..64a45f5 100644
--- a/twrp-functions.hpp
+++ b/twrp-functions.hpp
@@ -49,6 +49,7 @@
 	static int Get_File_Type(string fn); // Determines file type, 0 for unknown, 1 for gzip, 2 for OAES encrypted
 	static int Try_Decrypting_File(string fn, string password); // -1 for some error, 0 for failed to decrypt, 1 for decrypted, 3 for decrypted and found gzip format
 	static unsigned long Get_File_Size(string Path);                            // Returns the size of a file
+	static std::string Remove_Trailing_Slashes(const std::string& path, bool leaveLast = false); // Normalizes the path, e.g /data//media/ -> /data/media
 
 #ifndef BUILD_TWRPTAR_MAIN
 	static void install_htc_dumlock(void);                                      // Installs HTC Dumlock