diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7221ed3..7d752d7 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -28,9 +28,7 @@ RUN apt-get install -y --no-install-recommends git
 # Install libraries.
 ENV PIP_ROOT_USER_ACTION=ignore
 RUN python -m pip install --upgrade pip
-RUN pip install fairscale==0.4.13
 RUN pip install numpy==1.24.4
-RUN pip install immutabledict==4.1.0
 RUN pip install sentencepiece==0.1.99
 
 # Install from source.