diff --git a/src/compiler/tsbuild.ts b/src/compiler/tsbuild.ts
index 54094fb62de..0042abfcb9f 100644
--- a/src/compiler/tsbuild.ts
+++ b/src/compiler/tsbuild.ts
@@ -266,8 +266,6 @@ namespace ts {
         // Testing only
 
         // TODO:: All the below ones should technically only be in watch mode. but thats for later time
-        /*@internal*/ resolveProjectName(name: string): ResolvedConfigFileName;
-
         /*@internal*/ invalidateProject(configFileName: string, reloadLevel?: ConfigFileProgramReloadLevel): void;
         /*@internal*/ buildInvalidatedProject(): void;
 
@@ -378,8 +376,6 @@ namespace ts {
             invalidateProject,
             buildInvalidatedProject,
 
-            resolveProjectName,
-
             startWatching
         };