diff --git a/server/lib/live/shared/muxing-session.ts b/server/lib/live/shared/muxing-session.ts
index eccaefcfa..22a47942a 100644
--- a/server/lib/live/shared/muxing-session.ts
+++ b/server/lib/live/shared/muxing-session.ts
@@ -229,7 +229,7 @@ class MuxingSession extends EventEmitter {
 
     const playlistIdMatcher = /^([\d+])-/
 
-    const addHandler = async segmentPath => {
+    const addHandler = async (segmentPath: string) => {
       logger.debug('Live add handler of %s.', segmentPath, this.lTags())
 
       const playlistId = basename(segmentPath).match(playlistIdMatcher)[0]
diff --git a/support/docker/production/Dockerfile.bullseye b/support/docker/production/Dockerfile.bullseye
index eacf6aca1..ac97ddce3 100644
--- a/support/docker/production/Dockerfile.bullseye
+++ b/support/docker/production/Dockerfile.bullseye
@@ -1,10 +1,5 @@
 FROM node:14-bullseye-slim
 
-# Allow to pass extra options to the npm run build
-# eg: --light --light-fr to not build all client languages
-#     (speed up build time if i18n is not required)
-ARG NPM_RUN_BUILD_OPTS
-
 # Install dependencies
 RUN apt update \
  && apt install -y --no-install-recommends openssl ffmpeg python ca-certificates gnupg gosu build-essential curl \
@@ -22,7 +17,7 @@ WORKDIR /app
 USER peertube
 
 RUN yarn install --pure-lockfile --network-timeout 1200000 --network-concurrency 20 \
-    && npm run build -- $NPM_RUN_BUILD_OPTS \
+    && npm run build \
     && rm -r ./node_modules ./client/node_modules ./client/.angular \
     && yarn install --pure-lockfile --production --network-timeout 1200000 --network-concurrency 20 \
     && yarn cache clean