diff --git a/README.md b/README.md
index d4d4717c..1f9f8ae6 100644
--- a/README.md
+++ b/README.md
@@ -221,7 +221,6 @@ await esbuild.build({
 - **RUM Resources** — Capture RUM resources from main process network calls
 - **Traces** — Capture traces for network calls, command execution, IPC messages on main process
 - **Renderer Events** — Capture RUM events from renderer processes via the browser SDK
-- **Operation Monitoring** _(experimental)_ — Track start / succeed / fail steps of critical user-facing workflows
 
 ### Error stacks and sourcemaps
 
@@ -300,33 +299,6 @@ error reporting down.
 > Native crash stacks (from `crashReporter` minidumps) use a different, address-based format and are
 > unaffected by this. They are reported as-is; symbolication of native frames is not supported yet.
 
-### Operation Monitoring _(experimental)_
-
-Operation Monitoring lets you track the lifecycle of critical user-facing workflows (login, checkout, file upload, video playback, …) by emitting paired `start` / `end` steps. The backend correlates the steps by `name` (and optional `operationKey`) and exposes them as a single Operation in the RUM UI.
-
-> ⚗️ This API is in preview and the signatures may change before stable release.
-
-```ts
-import { startOperation, succeedOperation, failOperation } from '@flashcatcloud/electron-sdk';
-
-// Simple operation
-startOperation('checkout');
-try {
-  await runCheckout();
-  succeedOperation('checkout');
-} catch (error) {
-  failOperation('checkout', 'error');
-}
-
-// Parallel operations sharing a name — distinguished by `operationKey`
-startOperation('upload', { operationKey: 'profile_pic' });
-startOperation('upload', { operationKey: 'cover_photo' });
-succeedOperation('upload', { operationKey: 'profile_pic' });
-failOperation('upload', 'abandoned', { operationKey: 'cover_photo' });
-```
-
-The renderer process keeps using `@flashcatcloud/browser-rum` directly (with the `feature_operation_vital` experimental flag enabled on its init). API signatures match exactly, so you can start an operation in one process and complete it in the other — the backend correlates steps by `name` + `operationKey`.
-
 ## API
 
 ### `init(config: InitConfiguration): Promise<boolean>`
@@ -399,35 +371,6 @@ device.
 Events already reported keep the identity they were reported with, and events describing a moment
 before the logout still resolve to the user who was logged in then.
 
-### `startOperation(name: string, options?: FeatureOperationOptions): void`
-
-Start a RUM Operation step. Pair every `startOperation` with exactly one `succeedOperation` or `failOperation`. Use `options.operationKey` to distinguish parallel operations sharing the same `name`.
-
-> Note: `name` is required and should only contain letters, digits, `_`, `.`, `@`, `$`, `-`.
-
-### `succeedOperation(name: string, options?: FeatureOperationOptions): void`
-
-Record the successful completion of a RUM Operation. Pass the same `name` (and `operationKey`, if any) used to start it.
-
-### `failOperation(name: string, failureReason: FailureReason, options?: FeatureOperationOptions): void`
-
-Record the failure of a RUM Operation. `failureReason` must be one of `'error' | 'abandoned' | 'other'`.
-
-```ts
-type FailureReason = 'error' | 'abandoned' | 'other';
-
-interface FeatureOperationOptions {
-  /** Distinguishes parallel operations sharing the same `name`. */
-  operationKey?: string;
-  /** Free-form attributes merged into the event's `context`. */
-  context?: Record<string, unknown>;
-  /** Free-form description attached to `vital.description`. */
-  description?: string;
-}
-```
-
-> **Deprecated aliases.** The early-preview names `startFeatureOperation` / `succeedFeatureOperation` / `failFeatureOperation` are kept as deprecated aliases for backwards compatibility. They forward to the un-prefixed names above and emit a one-time runtime warning. They will be removed in the next major release — migrate to `startOperation` / `succeedOperation` / `failOperation`.
-
 ### Configuration Options
 
 | Option                        | Type                                     | Required | Default                  | Description                                                                                                                            |