diff --git a/src/commonRunTestsHandler.ts b/src/commonRunTestsHandler.ts
index 9362f0c..7a78846 100644
--- a/src/commonRunTestsHandler.ts
+++ b/src/commonRunTestsHandler.ts
@@ -1,5 +1,6 @@
 import * as vscode from 'vscode';
-import { allTestRuns, extensionId, IServerSpec, osAPI } from './extension';
+import { IServerSpec } from "@intersystems-community/intersystems-servermanager";
+import { allTestRuns, extensionId, osAPI } from './extension';
 import { relativeTestRoot } from './localTests';
 import logger from './logger';
 import { makeRESTRequest } from './makeRESTRequest';
diff --git a/src/extension.ts b/src/extension.ts
index a98ba3a..aafe9fa 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -19,28 +19,6 @@ export interface TestRun extends vscode.TestRun {
 }
 export const allTestRuns: (TestRun | undefined)[] = [];
 
-export interface IWebServerSpec {
-    scheme?: string;
-    host: string;
-    port: number;
-    pathPrefix?: string;
-}
-
-export interface IServerSpec {
-    name: string;
-    webServer: IWebServerSpec;
-    username?: string;
-    password?: string;
-    description?: string;
-}
-
-export interface IJSONServerSpec {
-    webServer: IWebServerSpec;
-    username?: string;
-    password?: string;
-    description?: string;
-}
-
 async function getServerManagerAPI(): Promise<serverManager.ServerManagerAPI | undefined> {
     const targetExtension = vscode.extensions.getExtension("intersystems-community.servermanager");
     if (!targetExtension) {
diff --git a/src/historyExplorer.ts b/src/historyExplorer.ts
index 53f6549..b340967 100644
--- a/src/historyExplorer.ts
+++ b/src/historyExplorer.ts
@@ -1,5 +1,6 @@
 import * as vscode from 'vscode';
-import { historyBrowserController, IServerSpec, osAPI, smAPI } from './extension';
+import { IServerSpec } from "@intersystems-community/intersystems-servermanager";
+import { historyBrowserController, osAPI, smAPI } from './extension';
 import logger from './logger';
 import { makeRESTRequest } from './makeRESTRequest';
 
diff --git a/src/makeRESTRequest.ts b/src/makeRESTRequest.ts
index 9e79e64..1c1efca 100644
--- a/src/makeRESTRequest.ts
+++ b/src/makeRESTRequest.ts
@@ -2,7 +2,8 @@ import axios, { AxiosResponse } from "axios";
 import axiosCookieJarSupport from "axios-cookiejar-support";
 import tough = require("tough-cookie");
 import * as vscode from "vscode";
-import { IServerSpec, smAPI } from "./extension";
+import { IServerSpec } from "@intersystems-community/intersystems-servermanager";
+import { smAPI } from "./extension";
 import * as https from 'https';
 
 const AUTHENTICATION_PROVIDER = "intersystems-server-credentials";