diff --git a/libraries/scrcpy/src/options/1_16/options.ts b/libraries/scrcpy/src/options/1_16/options.ts
index 2a0d4294..ec097799 100644
--- a/libraries/scrcpy/src/options/1_16/options.ts
+++ b/libraries/scrcpy/src/options/1_16/options.ts
@@ -120,17 +120,20 @@ export class ScrcpyOptions1_16 extends ScrcpyOptions<ScrcpyOptionsInit1_16> {
         return SCRCPY_CONTROL_MESSAGE_TYPES_1_16;
     }
 
-    #clipboardController!: PushReadableStreamController<string>;
-    #clipboard: ReadableStream<string>;
+    #clipboardController: PushReadableStreamController<string> | undefined;
+    #clipboard: ReadableStream<string> | undefined;
     override get clipboard() {
         return this.#clipboard;
     }
 
     constructor(init: ScrcpyOptionsInit1_16) {
         super(ScrcpyOptions0_00, init, ScrcpyOptions1_16.DEFAULTS);
-        this.#clipboard = new PushReadableStream<string>((controller) => {
-            this.#clipboardController = controller;
-        });
+
+        if (this.value.control) {
+            this.#clipboard = new PushReadableStream<string>((controller) => {
+                this.#clipboardController = controller;
+            });
+        }
     }
 
     serialize(): string[] {
@@ -181,7 +184,7 @@ export class ScrcpyOptions1_16 extends ScrcpyOptions<ScrcpyOptionsInit1_16> {
 
     async #parseClipboardMessage(stream: AsyncExactReadable) {
         const message = await ScrcpyClipboardDeviceMessage.deserialize(stream);
-        await this.#clipboardController.enqueue(message.content);
+        await this.#clipboardController?.enqueue(message.content);
     }
 
     override async parseDeviceMessage(
@@ -200,9 +203,9 @@ export class ScrcpyOptions1_16 extends ScrcpyOptions<ScrcpyOptionsInit1_16> {
 
     override endDeviceMessageStream(e?: unknown): void {
         if (e) {
-            this.#clipboardController.error(e);
+            this.#clipboardController?.error(e);
         } else {
-            this.#clipboardController.close();
+            this.#clipboardController?.close();
         }
     }
 
diff --git a/libraries/scrcpy/src/options/1_21.ts b/libraries/scrcpy/src/options/1_21.ts
index a14d1c42..1363d4ad 100644
--- a/libraries/scrcpy/src/options/1_21.ts
+++ b/libraries/scrcpy/src/options/1_21.ts
@@ -6,6 +6,7 @@ import { Struct, string, u32, u64, u8 } from "@yume-chan/struct";
 
 import type { ScrcpySetClipboardControlMessage } from "../control/index.js";
 
+import type { ReadableStream } from "@yume-chan/stream-extra";
 import type { ScrcpyOptionsInit1_18 } from "./1_18.js";
 import { ScrcpyOptions1_18 } from "./1_18.js";
 import { ScrcpyOptions, toScrcpyOptionValue } from "./types.js";
@@ -74,6 +75,14 @@ export class ScrcpyOptions1_21 extends ScrcpyOptions<ScrcpyOptionsInit1_21> {
 
     #clipboardAck = new Map<bigint, PromiseResolver<void>>();
 
+    override get clipboard(): ReadableStream<string> | undefined {
+        if (this.value.clipboardAutosync) {
+            return super.clipboard;
+        } else {
+            return undefined;
+        }
+    }
+
     constructor(init: ScrcpyOptionsInit1_21) {
         super(ScrcpyOptions1_18, init, ScrcpyOptions1_21.DEFAULTS);
     }
diff --git a/libraries/scrcpy/src/options/types.ts b/libraries/scrcpy/src/options/types.ts
index 0a16b2c5..f5de7e9a 100644
--- a/libraries/scrcpy/src/options/types.ts
+++ b/libraries/scrcpy/src/options/types.ts
@@ -77,7 +77,7 @@ export abstract class ScrcpyOptions<T extends object> {
 
     readonly value: Required<T>;
 
-    get clipboard(): ReadableStream<string> {
+    get clipboard(): ReadableStream<string> | undefined {
         return this.#base.clipboard;
     }