diff --git a/build/Dockerfile.aws-lambda b/build/Dockerfile.aws-lambda
index bdba2451..858f2a38 100644
--- a/build/Dockerfile.aws-lambda
+++ b/build/Dockerfile.aws-lambda
@@ -11,12 +11,10 @@ COPY --from=public.ecr.aws/awsguru/aws-lambda-adapter:0.9.1 /lambda-adapter /opt
 # AWS.
 ENV AWS_LWA_PORT=3000
 ENV AWS_LWA_READINESS_CHECK_PATH=/health
-ENV AWS_LWA_INVOKE_MODE=response_stream
+ENV AWS_LWA_INVOKE_MODE=buffered
 
 # Gotenberg.
 ENV API_PORT_FROM_ENV=AWS_LWA_PORT
-ENV CHROMIUM_AUTO_START=true
-ENV LIBREOFFICE_AUTO_START=true
 ENV WEBHOOK_ENABLE_SYNC_MODE=true
 ENV GOTENBERG_BUILD_DEBUG_DATA=false