includeBuiltFile does not do anything either

Author: jakebailey

src/harness/harnessIO.ts

@@ -239,7 +239,6 @@ export namespace Compiler {
 
     interface HarnessOptions {
         useCaseSensitiveFileNames?: boolean;
-        includeBuiltFile?: string;
         baselineFile?: string;
         libFiles?: string;
         noTypesAndSymbols?: boolean;
@@ -251,7 +250,6 @@ export namespace Compiler {
         { name: "allowNonTsExtensions", type: "boolean", defaultValueDescription: false },
         { name: "useCaseSensitiveFileNames", type: "boolean", defaultValueDescription: false },
         { name: "baselineFile", type: "string" },
-        { name: "includeBuiltFile", type: "string" },
         { name: "fileName", type: "string" },
         { name: "libFiles", type: "string" },
         { name: "noErrorTruncation", type: "boolean", defaultValueDescription: false },
@@ -370,12 +368,6 @@ export namespace Compiler {
             .map(file => options.configFile ? ts.getNormalizedAbsolutePath(file.unitName, currentDirectory) : file.unitName)
             .filter(fileName => !ts.fileExtensionIs(fileName, ts.Extension.Json));
 
-        // Files from built\local that are requested by test "@includeBuiltFiles" to be in the context.
-        // Treat them as library files, so include them in build, but not in baselines.
-        if (options.includeBuiltFile) {
-            programFileNames.push(vpath.combine(vfs.builtFolder, options.includeBuiltFile));
-        }
-
         // Files from tests\lib that are requested by "@libFiles"
         if (options.libFiles) {
             for (const fileName of options.libFiles.split(",")) {

tests/cases/compiler/metadataOfEventAlias.ts

@@ -2,7 +2,6 @@
 // @emitDecoratorMetadata: true
 // @target: es5
 // @skipLibCheck: true
-// @includeBuiltFile: lib.d.ts
 
 // @filename: event.ts
 export interface Event { title: string };