diff --git a/scripts/importDefinitllyTypedTests.ts b/scripts/importDefinitllyTypedTests.ts
deleted file mode 100644
index caa6be0063a..00000000000
--- a/scripts/importDefinitllyTypedTests.ts
+++ /dev/null
@@ -1,124 +0,0 @@
-declare var require: any, process: any;
-declare var __dirname: any;
-
-var fs = require("fs");
-var path = require("path");
-var child_process = require('child_process');
-
-var tscRoot = path.join(__dirname, "..\\");
-var tscPath = path.join(tscRoot, "built", "instrumented", "tsc.js");
-var rwcTestPath = path.join(tscRoot, "tests", "cases", "rwc", "dt");
-var definitelyTypedRoot = process.argv[2];
-
-function fileExtensionIs(path: string, extension: string): boolean {
-    var pathLen = path.length;
-    var extLen = extension.length;
-    return pathLen > extLen && path.substr(pathLen - extLen, extLen).toLocaleLowerCase() === extension.toLocaleLowerCase();
-}
-
-function copyFileSync(source, destination) {
-    var text = fs.readFileSync(source);
-    fs.writeFileSync(destination, text);
-}
-
-function importDefinitelyTypedTest(testCaseName: string, testFiles: string[], responseFile: string ) {
-    var cmd = "node " + tscPath + " --module commonjs " + testFiles.join(" ");
-    if (responseFile) cmd += " @" + responseFile;
-
-    var testDirectoryName = testCaseName + "_" + Math.floor((Math.random() * 10000) + 1); 
-    var testDirectoryPath = path.join(process.env["temp"], testDirectoryName);
-    if (fs.existsSync(testDirectoryPath)) {
-        throw new Error("Could not create test directory");
-    }
-    fs.mkdirSync(testDirectoryPath);
-
-    child_process.exec(cmd, {
-        maxBuffer: 1 * 1024 * 1024,
-        cwd: testDirectoryPath
-    }, (error, stdout, stderr) => {
-            //console.log("importing " + testCaseName + " ...");
-            //console.log(cmd);
-
-            if (error) {
-                console.log("importing " + testCaseName + " ...");
-                console.log(cmd);
-                console.log("==> error " + JSON.stringify(error));
-                console.log("==> stdout " + String(stdout));
-                console.log("==> stderr " + String(stderr));
-                console.log("\r\n");
-                return;
-            }
-
-            // copy generated file to output location
-            var outputFilePath = path.join(testDirectoryPath, "iocapture0.json");
-            var testCasePath = path.join(rwcTestPath, "DefinitelyTyped_" + testCaseName + ".json");
-            copyFileSync(outputFilePath, testCasePath);
-
-            //console.log("output generated at: " + outputFilePath);
-
-            if (!fs.existsSync(testCasePath)) {
-                throw new Error("could not find test case at: " + testCasePath);
-            }
-            else {
-                fs.unlinkSync(outputFilePath);
-                fs.rmdirSync(testDirectoryPath);
-                //console.log("testcase generated at: " + testCasePath);
-                //console.log("Done.");
-            }
-            //console.log("\r\n");
-
-        })
-        .on('error', function (error) {
-            console.log("==> error " + JSON.stringify(error));
-            console.log("\r\n");
-        });
-}
-
-function importDefinitelyTypedTests(definitelyTypedRoot: string): void {
-    fs.readdir(definitelyTypedRoot, (err, subDirectorys) => {
-        if (err) throw err;
-
-        subDirectorys
-            .filter(d => ["_infrastructure", "node_modules", ".git"].indexOf(d) >= 0)
-            .filter(i => fs.statSync(path.join(definitelyTypedRoot, i)).isDirectory())
-            .forEach(d => {
-                var directoryPath = path.join(definitelyTypedRoot, d);
-                fs.readdir(directoryPath, function (err, files) {
-                    if (err) throw err;
-
-                    var tsFiles = [];
-                    var testFiles = [];
-                    var paramFile;
-
-                    files
-                        .map(f => path.join(directoryPath, f))
-                        .forEach(f => {
-                            if (fileExtensionIs(f, ".ts")) tsFiles.push(f);
-                            else if (fileExtensionIs(f, ".tscparams")) paramFile = f;
-
-                            if (fileExtensionIs(f, "-tests.ts")) testFiles.push(f);
-                        });
-
-                    if (testFiles.length === 0) {
-                        // no test files but multiple d.ts's, e.g. winjs
-                        var regexp = new RegExp(d + "(([-][0-9])|([\.]d[\.]ts))");
-                        if (tsFiles.length > 1 && tsFiles.every(t => fileExtensionIs(t, ".d.ts") && regexp.test(t))) {
-                            tsFiles.forEach(filename => {
-                                importDefinitelyTypedTest(path.basename(filename, ".d.ts"), [filename], paramFile);
-                            });
-                        }
-                        else {
-                           importDefinitelyTypedTest(d, tsFiles, paramFile);
-                        }
-                    }
-                    else {
-                        testFiles.forEach(filename => {
-                            importDefinitelyTypedTest(path.basename(filename, "-tests.ts"), [filename], paramFile);
-                        });
-                    }
-                });
-            })
-    });
-}
-
-importDefinitelyTypedTests(definitelyTypedRoot);
\ No newline at end of file