diff --git a/Zip.xcodeproj/project.pbxproj b/Zip.xcodeproj/project.pbxproj
index b07ba88f0730fff3d016f950627a63a6a30774dd..163d7032b1eeada194ec9eb6840010f8a5e5dbd5 100644
--- a/Zip.xcodeproj/project.pbxproj
+++ b/Zip.xcodeproj/project.pbxproj
@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		3430F5D61C45B7FB007473A6 /* ZipHelpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3430F5D51C45B7FB007473A6 /* ZipHelpers.swift */; };
 		347E3A781C1DFFB500A11FD3 /* Zip.h in Headers */ = {isa = PBXBuildFile; fileRef = 347E3A771C1DFFB500A11FD3 /* Zip.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		347E3A7F1C1DFFB500A11FD3 /* Zip.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 347E3A741C1DFFB500A11FD3 /* Zip.framework */; };
 		347E3A841C1DFFB500A11FD3 /* ZipTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 347E3A831C1DFFB500A11FD3 /* ZipTests.swift */; };
@@ -26,6 +27,7 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		3430F5D51C45B7FB007473A6 /* ZipHelpers.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ZipHelpers.swift; sourceTree = "<group>"; };
 		347E3A741C1DFFB500A11FD3 /* Zip.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Zip.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		347E3A771C1DFFB500A11FD3 /* Zip.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Zip.h; sourceTree = "<group>"; };
 		347E3A791C1DFFB500A11FD3 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -82,6 +84,7 @@
 				347E3B1E1C1E1CB500A11FD3 /* libz.1.2.5.tbd */,
 				347E3A771C1DFFB500A11FD3 /* Zip.h */,
 				347E3A791C1DFFB500A11FD3 /* Info.plist */,
+				3430F5D51C45B7FB007473A6 /* ZipHelpers.swift */,
 				347E3AD71C1E04C900A11FD3 /* Zip.swift */,
 			);
 			path = Zip;
@@ -206,6 +209,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				347E3AD81C1E04C900A11FD3 /* Zip.swift in Sources */,
+				3430F5D61C45B7FB007473A6 /* ZipHelpers.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/Zip/Zip.swift b/Zip/Zip.swift
index 43d6e83d3b9e6b5bfe0d77c2b53e6f3c45b25756..00ea3ad99601234b4bd0581f1420dd44d88b4a8b 100644
--- a/Zip/Zip.swift
+++ b/Zip/Zip.swift
@@ -119,132 +119,5 @@ public class Zip {
         currentPosition++
         
     }
-        //        crc_ret = unzCloseCurrentFile( zip );
-        //        if (crc_ret == UNZ_CRCERROR) {
-        //            //CRC ERROR
-        //            return NO;
-        //        }
-        //        ret = unzGoToNextFile( zip );
-        //
-        //        // Message delegate
-        //        if ([delegate respondsToSelector:@selector(zipArchiveDidUnzipFileAtIndex:totalFiles:archivePath:fileInfo:)]) {
-        //            [delegate zipArchiveDidUnzipFileAtIndex:currentFileNumber totalFiles:(NSInteger)globalInfo.number_entry
-        //                archivePath:path fileInfo:fileInfo];
-        //        } else if ([delegate respondsToSelector: @selector(zipArchiveDidUnzipFileAtIndex:totalFiles:archivePath:unzippedFilePath:)]) {
-        //            [delegate zipArchiveDidUnzipFileAtIndex: currentFileNumber totalFiles: (NSInteger)globalInfo.number_entry
-        //                archivePath:path unzippedFilePath: fullPath];
-        //        }
-        //
-        //        currentFileNumber++;
-        //        if (progressHandler)
-        //        {
-        //            progressHandler(strPath, fileInfo, currentFileNumber, globalInfo.number_entry);
-        //        }
-
-//
-//                // Set the original datetime property
-//                if (fileInfo.dosDate != 0) {
-//                    NSDate *orgDate = [[self class] _dateWithMSDOSFormat:(UInt32)fileInfo.dosDate];
-//                    NSDictionary *attr = @{NSFileModificationDate: orgDate};
-//                    
-//                    if (attr) {
-//                        if ([fileManager setAttributes:attr ofItemAtPath:fullPath error:nil] == NO) {
-//                            // Can't set attributes
-//                            NSLog(@"[SSZipArchive] Failed to set attributes - whilst setting modification date");
-//                        }
-//                    }
-//                }
-//                
-//                // Set the original permissions on the file
-//                uLong permissions = fileInfo.external_fa >> 16;
-//                if (permissions != 0) {
-//                    // Store it into a NSNumber
-//                    NSNumber *permissionsValue = @(permissions);
-//                    
-//                    // Retrieve any existing attributes
-//                    NSMutableDictionary *attrs = [[NSMutableDictionary alloc] initWithDictionary:[fileManager attributesOfItemAtPath:fullPath error:nil]];
-//                    
-//                    // Set the value in the attributes dict
-//                    attrs[NSFilePosixPermissions] = permissionsValue;
-//                    
-//                    // Update attributes
-//                    if ([fileManager setAttributes:attrs ofItemAtPath:fullPath error:nil] == NO) {
-//                        // Unable to set the permissions attribute
-//                        NSLog(@"[SSZipArchive] Failed to set attributes - whilst setting permissions");
-//                    }
-//                    
-//                    #if !__has_feature(objc_arc)
-//                        [attrs release];
-//                    #endif
-//                }
-//            }
-//        }
-//        else
-//        {
-//            // Assemble the path for the symbolic link
-//            NSMutableString* destinationPath = [NSMutableString string];
-//            int bytesRead = 0;
-//            while((bytesRead = unzReadCurrentFile(zip, buffer, 4096)) > 0)
-//            {
-//                buffer[bytesRead] = (int)0;
-//                [destinationPath appendString:@((const char*)buffer)];
-//            }
-//            
-//            // Create the symbolic link (making sure it stays relative if it was relative before)
-//            int symlinkError = symlink([destinationPath cStringUsingEncoding:NSUTF8StringEncoding],
-//                [fullPath cStringUsingEncoding:NSUTF8StringEncoding]);
-//            
-//            if(symlinkError != 0)
-//            {
-//                NSLog(@"Failed to create symbolic link at \"%@\" to \"%@\". symlink() error code: %d", fullPath, destinationPath, errno);
-//            }
-//        }
-//        
-//        crc_ret = unzCloseCurrentFile( zip );
-//        if (crc_ret == UNZ_CRCERROR) {
-//            //CRC ERROR
-//            return NO;
-//        }
-//        ret = unzGoToNextFile( zip );
-//        
-//        // Message delegate
-//        if ([delegate respondsToSelector:@selector(zipArchiveDidUnzipFileAtIndex:totalFiles:archivePath:fileInfo:)]) {
-//            [delegate zipArchiveDidUnzipFileAtIndex:currentFileNumber totalFiles:(NSInteger)globalInfo.number_entry
-//                archivePath:path fileInfo:fileInfo];
-//        } else if ([delegate respondsToSelector: @selector(zipArchiveDidUnzipFileAtIndex:totalFiles:archivePath:unzippedFilePath:)]) {
-//            [delegate zipArchiveDidUnzipFileAtIndex: currentFileNumber totalFiles: (NSInteger)globalInfo.number_entry
-//                archivePath:path unzippedFilePath: fullPath];
-//        }
-//        
-//        currentFileNumber++;
-//        if (progressHandler)
-//        {
-//            progressHandler(strPath, fileInfo, currentFileNumber, globalInfo.number_entry);
-//        }
-//    }
-//} while(ret == UNZ_OK && ret != UNZ_END_OF_LIST_OF_FILE);
-//
-//// Close
-//unzClose(zip);
-//
-//// The process of decompressing the .zip archive causes the modification times on the folders
-//// to be set to the present time. So, when we are done, they need to be explicitly set.
-//// set the modification date on all of the directories.
-//NSError * err = nil;
-//for (NSDictionary * d in directoriesModificationDates) {
-//    if (![[NSFileManager defaultManager] setAttributes:@{NSFileModificationDate: d[@"modDate"]} ofItemAtPath:d[@"path"] error:&err]) {
-//        NSLog(@"[SSZipArchive] Set attributes failed for directory: %@.", d[@"path"]);
-//    }
-//    if (err) {
-//        NSLog(@"[SSZipArchive] Error setting directory file modification date attribute: %@",err.localizedDescription);
-//    }
-//}
-//
-//#if !__has_feature(objc_arc)
-//[directoriesModificationDates release];
-//#endif
-//
-//// Message delegate
-//}
 
 }
\ No newline at end of file