diff --git a/docs/source/tutorials/DeepSeek-R1.md b/docs/source/tutorials/DeepSeek-R1.md
index 1e9f7b4c..cda22a70 100644
--- a/docs/source/tutorials/DeepSeek-R1.md
+++ b/docs/source/tutorials/DeepSeek-R1.md
@@ -139,8 +139,6 @@ Run the following scripts on two nodes respectively.
 nic_name="xxxx"
 local_ip="xxxx"
 
-# AIV
-export HCCL_OP_EXPANSION_MODE="AIV"
 export HCCL_IF_IP=$local_ip
 export GLOO_SOCKET_IFNAME=$nic_name
 export TP_SOCKET_IFNAME=$nic_name
@@ -185,8 +183,6 @@ nic_name="xxxx"
 local_ip="xxxx"
 node0_ip="xxxx" # same as the local_IP address in node 0
 
-# AIV
-export HCCL_OP_EXPANSION_MODE="AIV"
 export HCCL_IF_IP=$local_ip
 export GLOO_SOCKET_IFNAME=$nic_name
 export TP_SOCKET_IFNAME=$nic_name
diff --git a/docs/source/tutorials/DeepSeek-V3.1.md b/docs/source/tutorials/DeepSeek-V3.1.md
index dc2dc93a..a65a0d99 100644
--- a/docs/source/tutorials/DeepSeek-V3.1.md
+++ b/docs/source/tutorials/DeepSeek-V3.1.md
@@ -161,9 +161,6 @@ node0_ip="xxxx"
 # jemalloc is for better performance, if `libjemalloc.so` is install on your machine, you can turn it on.
 # export LD_PRELOAD=/usr/lib/aarch64-linux-gnu/libjemalloc.so.2:$LD_PRELOAD
 
-# AIV
-export HCCL_OP_EXPANSION_MODE="AIV"
-
 export HCCL_IF_IP=$local_ip
 export GLOO_SOCKET_IFNAME=$nic_name
 export TP_SOCKET_IFNAME=$nic_name
@@ -218,9 +215,6 @@ node0_ip="xxxx"
 # jemalloc is for better performance, if `libjemalloc.so` is install on your machine, you can turn it on.
 # export LD_PRELOAD=/usr/lib/aarch64-linux-gnu/libjemalloc.so.2:$LD_PRELOAD
 
-# AIV
-export HCCL_OP_EXPANSION_MODE="AIV"
-
 export HCCL_IF_IP=$local_ip
 export GLOO_SOCKET_IFNAME=$nic_name
 export TP_SOCKET_IFNAME=$nic_name