diff --git a/src/components/index.js b/src/components/index.js
deleted file mode 100644
index cd5e18b..0000000
--- a/src/components/index.js
+++ /dev/null
@@ -1,4 +0,0 @@
-import DoodlePreview from './DoodlePreview.js';
-import AuthImage from './AuthImage.js';
-
-export { DoodlePreview, AuthImage };
diff --git a/src/constants/index.js b/src/constants/index.js
deleted file mode 100644
index 9270f07..0000000
--- a/src/constants/index.js
+++ /dev/null
@@ -1,25 +0,0 @@
-import * as contextTools from './contextTools.js';
-import * as d2Constants from './d2Constants.js';
-import * as d2Tools from './d2Tools.js';
-import * as d3Constants from './d3Constants.js';
-import * as d3Tools from './d3Tools.js';
-import * as exportConstants from './exportConstants.js';
-import * as general from './general.js';
-import * as saveConstants from './saveConstants.js';
-import * as shapeTypeProperties from './shapeTypeProperties.js';
-import * as mainMenuItems from './mainMenuItems.js';
-import * as menu from './menu.js';
-
-export {
-  contextTool,
-  d2Constant,
-  d2Tool,
-  d3Constant,
-  d3Tool,
-  exportConstant,
-  genera,
-  saveConstant,
-  shapeTypePropertie,
-  mainMenuItems,
-  menu
-};
diff --git a/src/d3/index.js b/src/d3/index.js
deleted file mode 100644
index f83d752..0000000
--- a/src/d3/index.js
+++ /dev/null
@@ -1,7 +0,0 @@
-import createSceneData from './createSceneData.js';
-import createScene from './createScene.js';
-import RenderChain from './RenderChain.js';
-import ShapeMesh from './ShapeMesh.js';
-import ShapesManager from './ShapesManager.js';
-
-export { createSceneData, createScene, RenderChain, ToonShaderRenderChain, ShapeMesh, ShapesManager };
diff --git a/src/index.js b/src/index.js
deleted file mode 100644
index 8261f62..0000000
--- a/src/index.js
+++ /dev/null
@@ -1,9 +0,0 @@
-import * as shape from './shape/index.js';
-import * as utils from './utils/index.js';
-import * as d3 from './d3/index.js';
-import * as components from './components/index.js';
-import * as constants from './constants/index.js';
-import * as actions from './actions/index.js';
-import * as reducer from './reducer/index.js';
-
-export { shape, utils, d3, components, constants, actions, reducer };
diff --git a/src/shape/index.js b/src/shape/index.js
deleted file mode 100644
index 7792c7e..0000000
--- a/src/shape/index.js
+++ /dev/null
@@ -1,7 +0,0 @@
-import docToFile from './docToFile.js';
-import * as shapeToPoints from './shapeToPoints.js';
-import JSONToSketchData from './JSONToSketchData.js';
-import SketchDataToJSON from './SketchDataToJSON.js';
-import * as shapeDataUtils from './shapeDataUtils.js';
-
-export { docToFile, shapeToPoints, JSONToSketchData, SketchDataToJSON, shapeDataUtils };
diff --git a/src/utils/index.js b/src/utils/index.js
deleted file mode 100644
index fd24941..0000000
--- a/src/utils/index.js
+++ /dev/null
@@ -1,11 +0,0 @@
-import * as asyncUtils from './async.js';
-import * as binaryUtils from './async.js';
-import * as dbUtils from './dbUtils.js';
-import * as imageUtils from './imageUtils.js';
-import * as exportUtils from './exportUtils.js';
-import * as webGLSupport from './webGLSupport.js';
-import * as vectorUtils from './vectorUtils.js';
-import * as textUtils from './textUtils.js';
-import * as reactUtils from './reactUtils.js';
-
-export { dbUtils, asyncUtils, imageUtils, exportUtils, webGLSupport, binaryUtils, vectorUtils, textUtils, reactUtils };