diff --git a/packages/plugin-ext-vscode/src/browser/plugin-vscode-commands-contribution.ts b/packages/plugin-ext-vscode/src/browser/plugin-vscode-commands-contribution.ts
index 95a73299bdc9f..ab8467c65373c 100644
--- a/packages/plugin-ext-vscode/src/browser/plugin-vscode-commands-contribution.ts
+++ b/packages/plugin-ext-vscode/src/browser/plugin-vscode-commands-contribution.ts
@@ -29,7 +29,7 @@ import { ApplicationShellMouseTracker } from '@theia/core/lib/browser/shell/appl
 import { CommandService } from '@theia/core/lib/common/command';
 import TheiaURI from '@theia/core/lib/common/uri';
 import { EditorManager } from '@theia/editor/lib/browser';
-import { TextDocumentShowOptions, IOpenFolderAPICommandOptions } from '@theia/plugin-ext/lib/common/plugin-api-rpc-model';
+import { TextDocumentShowOptions } from '@theia/plugin-ext/lib/common/plugin-api-rpc-model';
 import { DocumentsMainImpl } from '@theia/plugin-ext/lib/main/browser/documents-main';
 import { createUntitledResource } from '@theia/plugin-ext/lib/main/browser/editor/untitled-resource';
 import { toDocumentSymbol } from '@theia/plugin-ext/lib/plugin/type-converters';
@@ -108,6 +108,12 @@ export class PluginVscodeCommandsContribution implements CommandContribution {
             }
         });
 
+        interface IOpenFolderAPICommandOptions {
+            forceNewWindow?: boolean;
+            forceReuseWindow?: boolean;
+            noRecentEntry?: boolean;
+        }
+
         commands.registerCommand(VscodeCommands.OPEN_FOLDER, {
             isVisible: () => false,
             execute: async (resource?: URI, arg: boolean | IOpenFolderAPICommandOptions = {}) => {
diff --git a/packages/plugin-ext/src/common/plugin-api-rpc-model.ts b/packages/plugin-ext/src/common/plugin-api-rpc-model.ts
index d9cf3a8a90da0..3d7726de816c0 100644
--- a/packages/plugin-ext/src/common/plugin-api-rpc-model.ts
+++ b/packages/plugin-ext/src/common/plugin-api-rpc-model.ts
@@ -434,12 +434,6 @@ export interface WorkspaceFolder {
     index: number;
 }
 
-export interface IOpenFolderAPICommandOptions {
-    forceNewWindow?: boolean;
-    forceReuseWindow?: boolean;
-    noRecentEntry?: boolean;
-}
-
 export interface Breakpoint {
     readonly id: string;
     readonly enabled: boolean;