diff --git a/src/services/transform.ts b/src/services/transform.ts
deleted file mode 100644
index c9107eea853..00000000000
--- a/src/services/transform.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-/// <reference path="..\compiler\transformer.ts"/>
-/// <reference path="transpile.ts"/>
-namespace ts {
-    /**
-     * Transform one or more source files using the supplied transformers.
-     * @param source A `SourceFile` or an array of `SourceFiles`.
-     * @param transformers An array of `Transformer` callbacks used to process the transformation.
-     */
-    export function transform(source: SourceFile | SourceFile[], transformers: Transformer[]) {
-        const diagnostics: Diagnostic[] = [];
-        const compilerOptions: CompilerOptions = {};
-        const sourceFiles = isArray(source) ? source : [source];
-        const fileMap = arrayToMap(sourceFiles, sourceFile => sourceFile.fileName);
-        const emitHost: EmitHost = {
-            getCompilerOptions: () => compilerOptions,
-            getCanonicalFileName: fileName => fileName,
-            getCommonSourceDirectory: () => "",
-            getCurrentDirectory: () => "",
-            getNewLine: () => "\n",
-            getSourceFile: fileName => fileMap.get(fileName),
-            getSourceFileByPath: fileName => fileMap.get(fileName),
-            getSourceFiles: () => sourceFiles,
-            isSourceFileFromExternalLibrary: () => false,
-            isEmitBlocked: () => false,
-            writeFile: () => Debug.fail("'writeFile()' is not supported during transformation.")
-        };
-        return transformFiles(/*resolver*/ undefined, emitHost, sourceFiles, transformers);
-    }
-}
\ No newline at end of file