diff --git a/build-config.js b/build-config.js
index 451be770..3e53728f 100644
--- a/build-config.js
+++ b/build-config.js
@@ -30,8 +30,7 @@ module.exports = {
 		'@ckeditor/ckeditor5-image/src/imageupload',
 		'@ckeditor/ckeditor5-link/src/link',
 		'@ckeditor/ckeditor5-list/src/list',
-		'@ckeditor/ckeditor5-paragraph/src/paragraph',
-		'@ckeditor/ckeditor5-image/src/imageupload',
+		'@ckeditor/ckeditor5-paragraph/src/paragraph'
 	],
 
 	// Editor config.
diff --git a/src/ckeditor.js b/src/ckeditor.js
index 035efe5d..c06e5e0c 100644
--- a/src/ckeditor.js
+++ b/src/ckeditor.js
@@ -20,7 +20,6 @@ import ImageuploadPlugin from '@ckeditor/ckeditor5-image/src/imageupload';
 import LinkPlugin from '@ckeditor/ckeditor5-link/src/link';
 import ListPlugin from '@ckeditor/ckeditor5-list/src/list';
 import ParagraphPlugin from '@ckeditor/ckeditor5-paragraph/src/paragraph';
-import Imageupload1Plugin from '@ckeditor/ckeditor5-image/src/imageupload';
 
 export default class BalloonEditor extends BalloonEditorBase {}
 
@@ -41,8 +40,7 @@ BalloonEditor.build = {
 		ImageuploadPlugin,
 		LinkPlugin,
 		ListPlugin,
-		ParagraphPlugin,
-		Imageupload1Plugin
+		ParagraphPlugin
 	],
 	config: {
 		toolbar: {