diff --git a/src/extension.node.ts b/src/extension.node.ts
index edcd9d6958f..48fec4e8e5a 100644
--- a/src/extension.node.ts
+++ b/src/extension.node.ts
@@ -124,7 +124,10 @@ export async function activate(context: IExtensionContext): Promise<IExtensionAp
             createJupyterServerCollection: () => {
                 throw new Error('Not Implemented');
             },
-            kernels: { getKernel: () => Promise.resolve(undefined) },
+            kernels: {
+                getKernel: () => Promise.resolve(undefined),
+                onDidStart: () => ({ dispose: noop })
+            },
             // eslint-disable-next-line @typescript-eslint/no-explicit-any
             onDidChangePythonEnvironment: undefined as any,
             getPythonEnvironment: () => undefined
diff --git a/src/extension.web.ts b/src/extension.web.ts
index d16e9d46264..d46fde12a15 100644
--- a/src/extension.web.ts
+++ b/src/extension.web.ts
@@ -117,7 +117,7 @@ export async function activate(context: IExtensionContext): Promise<IExtensionAp
             createJupyterServerCollection: () => {
                 throw new Error('Not Implemented');
             },
-            kernels: { getKernel: () => Promise.resolve(undefined) },
+            kernels: { getKernel: () => Promise.resolve(undefined), onDidStart: () => ({ dispose: noop }) },
             // eslint-disable-next-line @typescript-eslint/no-explicit-any
             onDidChangePythonEnvironment: undefined as any,
             getPythonEnvironment: () => undefined