diff --git a/extensions/ql-vscode/src/databases/config/db-config-store.ts b/extensions/ql-vscode/src/databases/config/db-config-store.ts
index 55d4ae2e5..bfe37d264 100644
--- a/extensions/ql-vscode/src/databases/config/db-config-store.ts
+++ b/extensions/ql-vscode/src/databases/config/db-config-store.ts
@@ -2,7 +2,7 @@ import * as fs from "fs-extra";
 import * as path from "path";
 import { cloneDbConfig, DbConfig } from "./db-config";
 import * as chokidar from "chokidar";
-import { DisposableObject } from "../../pure/disposable-object";
+import { DisposableObject, DisposeHandler } from "../../pure/disposable-object";
 import { DbConfigValidator } from "./db-config-validator";
 import { ValueResult } from "../../common/value-result";
 import { App } from "../../common/app";
@@ -38,7 +38,8 @@ export class DbConfigStore extends DisposableObject {
     this.watchConfig();
   }
 
-  public dispose(): void {
+  public dispose(disposeHandler?: DisposeHandler): void {
+    super.dispose(disposeHandler);
     this.configWatcher?.unwatch(this.configPath);
   }
 
diff --git a/extensions/ql-vscode/test/pure-tests/databases/config/db-config-store.test.ts b/extensions/ql-vscode/test/pure-tests/databases/config/db-config-store.test.ts
index e5bef8222..d48c9cbdf 100644
--- a/extensions/ql-vscode/test/pure-tests/databases/config/db-config-store.test.ts
+++ b/extensions/ql-vscode/test/pure-tests/databases/config/db-config-store.test.ts
@@ -39,6 +39,8 @@ describe("db config store", () => {
     expect(config.databases.local.lists).toHaveLength(0);
     expect(config.databases.local.databases).toHaveLength(0);
     expect(config.selected).toBeUndefined();
+
+    configStore.dispose();
   });
 
   it("should load an existing config", async () => {
@@ -85,6 +87,8 @@ describe("db config store", () => {
       kind: "configDefined",
       value: "path.to.database",
     });
+
+    configStore.dispose();
   });
 
   it("should load an existing config without selected db", async () => {
@@ -104,6 +108,8 @@ describe("db config store", () => {
 
     const config = configStore.getConfig().value;
     expect(config.selected).toBeUndefined();
+
+    configStore.dispose();
   });
 
   it("should not allow modification of the config", async () => {
@@ -119,5 +125,7 @@ describe("db config store", () => {
 
     const reRetrievedConfig = configStore.getConfig().value;
     expect(reRetrievedConfig.databases.remote.repositoryLists).toHaveLength(1);
+
+    configStore.dispose();
   });
 });