canceling individual uploads is currently impossible because there is no placeholder

apps/files/js/file-upload.js

@@ -41,26 +41,6 @@ function supportAjaxUploadWithProgress() {
  */
 OC.Upload = {
 	_uploads: [],
-	/**
-	 * cancels a single upload, 
-	 * @deprecated because it was only used when a file currently beeing uploaded was deleted. Now they are added after
-	 * they have been uploaded.
-	 * @param {string} dir
-	 * @param {string} filename
-	 * @returns {unresolved}
-	 */
-	cancelUpload:function(dir, filename) {
-		var self = this;
-		var deleted = false;
-		//FIXME _selections
-		jQuery.each(this._uploads, function(i, jqXHR) {
-			if (selection.dir === dir && selection.uploads[filename]) {
-				deleted = self.deleteSelectionUpload(selection, filename);
-				return false; // end searching through selections
-			}
-		});
-		return deleted;
-	},
 	/**
 	 * deletes the jqHXR object from a data selection
 	 * @param {object} data

apps/files/js/fileactions.js

@@ -177,20 +177,7 @@ $(document).ready(function () {
 FileActions.register('all', 'Delete', OC.PERMISSION_DELETE, function () {
 	return OC.imagePath('core', 'actions/delete');
 }, function (filename) {
-	if (OC.Upload.cancelUpload($('#dir').val(), filename)) {
-		if (filename.substr) {
-			filename = [filename];
-		}
-		$.each(filename, function (index, file) {
-			var filename = $('tr').filterAttr('data-file', file);
-			filename.hide();
-			filename.find('input[type="checkbox"]').removeAttr('checked');
-			filename.removeClass('selected');
-		});
-		procesSelection();
-	} else {
-		FileList.do_delete(filename);
-	}
+	FileList.do_delete(filename);
 	$('.tipsy').remove();
 });