diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 575a049..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.idea/scopes/scope_settings.xml b/.idea/scopes/scope_settings.xml
deleted file mode 100644
index 922003b..0000000
--- a/.idea/scopes/scope_settings.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<component name="DependencyValidationManager">
-  <state>
-    <option name="SKIP_IMPORT_STATEMENTS" value="false" />
-  </state>
-</component>
\ No newline at end of file
diff --git a/lab/wb/xl/styles-1.xml b/lab/wb/xl/styles-1.xml
deleted file mode 100644
index e69de29..0000000
diff --git a/test-acid.js b/test-acid.js
deleted file mode 100644
index 4ac7f48..0000000
--- a/test-acid.js
+++ /dev/null
@@ -1,20 +0,0 @@
-var X = require('./');
-var opts = { cellNF: true,
-  type: 'file',
-  cellHTML: true,
-  cellFormula: true,
-  cellStyles: false,
-  cellDates: false,
-  sheetStubs: false,
-  sheetRows: 0,
-  bookDeps: false,
-  bookSheets: false,
-  bookProps: false,
-  bookFiles: false,
-  bookVBA: false,
-  WTF: false }
-;
-var FILENAME = './test_files/number_format_entities-2.xlsx';
-wb = X.read(X.write(X.readFile(FILENAME,opts), {type:"buffer", bookType:'xlsx'}), {WTF:true, cellNF: true})
-
-X.writeFile(wb,'/tmp/wb3.xlsx');
diff --git a/test-csv.js b/test-csv.js
deleted file mode 100644
index 44f862f..0000000
--- a/test-csv.js
+++ /dev/null
@@ -1,43 +0,0 @@
-var argv = require('minimist')(process.argv.slice(2));
-
-var XLSX = require('./');
-var fs = require('fs')
-var INFILE = './test_files/pivot_table_test.xlsm';
-var TESTFILE = './test_files/pivot_table_test.xlsm.';
-//var INFILE = './test_files/formula_stress_test.xlsb';
-//var TESTFILE = './test_files/formula_stress_test.xls.';
-var INFILE ='./test_files/apachepoi_Tables.xlsx';
-var TESTFILE='./test_files/apachepoi_Tables.xlsx.';
-var INFILE = './test_files/apachepoi_45540_classic_Footer.xlsx';
-var TESTFILE = './test_files/apachepoi_45540_classic_Footer.xlsx.';
-var SHEET=argv.p || 0;
-
-function stripbom(x) { return x.replace(/^\ufeff/,""); }
-function fixcsv(x) { return stripbom(x).replace(/\t/g,",").replace(/#{255}/g,"").replace(/"/g,"").replace(/[\n\r]+/g,"\n").replace(/\n*$/,""); }
-
-
-wb = XLSX.readFile(INFILE, {cellNF: true});
-
-//XLSX.writeFile(wb, '/tmp/test-csv.xlsx');
-//var wb = XLSX.readFile('/tmp/test-csv.xlsx', {cellNF: true});
-
-wb = XLSX.read(XLSX.write(wb, {type:"buffer", bookType:'xlsx'}), {cellNF: true})
-
-
-var csv = fixcsv(XLSX.utils.make_csv(wb.Sheets[wb.SheetNames[SHEET]]))
-console.log('==================')
-console.log( csv);
-console.log('------------')
-var exp = fixcsv(fs.readFileSync(TESTFILE + SHEET+ '.csv','utf8'))
-console.log(exp)
-console.log('.............')
-console.log(csv==exp);
-
-console.log(csv.length, exp.length)
-if (argv.d) {
-for (var i=0; i<csv.length; i++) {
-  console.log([csv[i], exp[i]], csv[i] ==exp[i]);
-}
-}
-//console.log(wb.Sheets[wb.SheetNames[0]].C2)
-
diff --git a/test-open.js b/test-open.js
deleted file mode 100644
index 9e0e996..0000000
--- a/test-open.js
+++ /dev/null
@@ -1,8 +0,0 @@
-var XLSX = require('./');
-
-wbin = XLSX.readFile('/tmp/wb.xlsx', {type: "xlsx"});
-
-XLSX.writeFile(wbin, '/tmp/wb2.xlsx', {
-  defaultCellStyle: { font: { name: "Verdana", sz: 11, color: "FF00FF88"}, fill: {fgColor: {rgb: "FFFFAA00"}}}
-});
-