PhotoBrowser-Memory Issue

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    RiparazioneTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier forIndexPath:indexPath];
    Customer_Document *document = (Customer_Document *)[self.documents objectAtIndex:indexPath.row];

    if (self.photoBrowser) {
            [self.photoBrowser dismissViewControllerAnimated:YES completion:nil];
            self.photoBrowser = nil;
        }
        NSArray *documentImagesLinks = [document imagesLinks];
        if(documentImagesLinks.count > 0) {

            cell.imageTappedBlock = ^{
                NSMutableArray *documentImagesUrls = [[NSMutableArray alloc] init];
                for (Customer_Document_Link *imgLink in documentImagesLinks) {
                    NSURL *remoteImageUrl = [imgLink remoteUrl];
                    [documentImagesUrls addObject:remoteImageUrl];
                }

                NSArray *photosToShow = [NSArray arrayWithArray:documentImagesUrls];
                documentImagesUrls = nil;
                NSLog(@"photo da visualizzare: %@",photosToShow);
                self.photoBrowser = [[IDMPhotoBrowser alloc] initWithPhotoURLs:photosToShow animatedFromView:self.view];
                [self.photoBrowser setUseWhiteBackgroundColor:true];
                [self.photoBrowser setDisplayToolbar:true];
                [self.photoBrowser setDisplayCounterLabel:true];
                [self.photoBrowser setDisplayArrowButton:true];
                self.photoBrowser.displayActionButton = false;
                self.photoBrowser.delegate = self;

                [self presentViewController:self.photoBrowser animated:YES completion:nil];
            };
        }
}