diff --git a/src/vs/workbench/api/common/extHostNotebookEditor.ts b/src/vs/workbench/api/common/extHostNotebookEditor.ts
index 75432c619de..7e7a8eeff30 100644
--- a/src/vs/workbench/api/common/extHostNotebookEditor.ts
+++ b/src/vs/workbench/api/common/extHostNotebookEditor.ts
@@ -9,10 +9,15 @@ import { Disposable } from 'vs/base/common/lifecycle';
 import { MainThreadNotebookShape } from 'vs/workbench/api/common/extHost.protocol';
 import * as extHostTypes from 'vs/workbench/api/common/extHostTypes';
 import * as extHostConverter from 'vs/workbench/api/common/extHostTypeConverters';
-import { CellEditType, ICellEditOperation, ICellReplaceEdit, INotebookEditData, notebookDocumentMetadataDefaults } from 'vs/workbench/contrib/notebook/common/notebookCommon';
+import { CellEditType, ICellEditOperation, ICellReplaceEdit, notebookDocumentMetadataDefaults } from 'vs/workbench/contrib/notebook/common/notebookCommon';
 import * as vscode from 'vscode';
 import { ExtHostNotebookDocument } from './extHostNotebookDocument';
 
+interface INotebookEditData {
+	documentVersionId: number;
+	cellEdits: ICellEditOperation[];
+}
+
 class NotebookEditorCellEditBuilder implements vscode.NotebookEditorEdit {
 
 	private readonly _documentVersionId: number;
diff --git a/src/vs/workbench/contrib/notebook/common/notebookCommon.ts b/src/vs/workbench/contrib/notebook/common/notebookCommon.ts
index 7666c65c30a..b2bc7036617 100644
--- a/src/vs/workbench/contrib/notebook/common/notebookCommon.ts
+++ b/src/vs/workbench/contrib/notebook/common/notebookCommon.ts
@@ -365,11 +365,6 @@ export interface ICellMoveEdit {
 
 export type ICellEditOperation = ICellReplaceEdit | ICellOutputEdit | ICellMetadataEdit | ICellLanguageEdit | IDocumentMetadataEdit | ICellMoveEdit | ICellOutputItemEdit;
 
-export interface INotebookEditData {
-	documentVersionId: number;
-	cellEdits: ICellEditOperation[];
-}
-
 export interface NotebookDataDto {
 	readonly cells: ICellDto2[];
 	readonly languages: string[];