diff --git a/src/sagas/lwp3-bootloader.ts b/src/sagas/lwp3-bootloader.ts
index f359628d..35c4657b 100644
--- a/src/sagas/lwp3-bootloader.ts
+++ b/src/sagas/lwp3-bootloader.ts
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) 2020 The Pybricks Authors
 
-import { Channel, buffers } from 'redux-saga';
+import { Channel } from 'redux-saga';
 import { actionChannel, fork, put, take, takeEvery } from 'redux-saga/effects';
 import { Action } from '../actions';
 import {
@@ -51,12 +51,10 @@ import { hex } from '../utils';
 function* encodeRequest(): Generator {
     // Using a while loop to serialize sending data to avoid "busy" errors.
 
-    const chan = (yield actionChannel(
-        (a: Action) =>
-            Object.values(BootloaderRequestActionType).includes(
-                a.type as BootloaderRequestActionType,
-            ),
-        buffers.expanding(),
+    const chan = (yield actionChannel((a: Action) =>
+        Object.values(BootloaderRequestActionType).includes(
+            a.type as BootloaderRequestActionType,
+        ),
     )) as Channel<BootloaderRequestAction>;
     while (true) {
         const action = (yield take(chan)) as BootloaderRequestAction;
diff --git a/src/sagas/terminal.ts b/src/sagas/terminal.ts
index 14898304..3a292f07 100644
--- a/src/sagas/terminal.ts
+++ b/src/sagas/terminal.ts
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) 2020 The Pybricks Authors
 
-import { Channel, buffers } from 'redux-saga';
+import { Channel } from 'redux-saga';
 import {
     actionChannel,
     delay,
@@ -24,10 +24,9 @@ const encoder = new TextEncoder();
 const terminalDataSource = new PushStream<string>();
 
 function* receiveTerminalData(): Generator {
-    const channel = (yield actionChannel(
-        TerminalActionType.ReceivedData,
-        buffers.expanding(),
-    )) as Channel<TerminalDataReceiveDataAction>;
+    const channel = (yield actionChannel(TerminalActionType.ReceivedData)) as Channel<
+        TerminalDataReceiveDataAction
+    >;
     while (true) {
         // wait for input from terminal
         const action = (yield take(channel)) as TerminalDataReceiveDataAction;