diff --git a/run_llama_train.sh b/run_llama_train.sh
index cf4943a6..5a661284 100755
--- a/run_llama_train.sh
+++ b/run_llama_train.sh
@@ -7,9 +7,6 @@
 
 set -ex
 
-# libUV is a scalable backend for TCPStore which is used in processGroup
-# rendezvous. This is the recommended backend for distributed training.
-export USE_LIBUV=1
 TRAINER_DIR=${TRAINER_DIR:-/home/$USER/local/torchtitan}
 
 # use envs as local overrides for convenience