diff --git a/README.md b/README.md
index 101f824e..76a64969 100644
--- a/README.md
+++ b/README.md
@@ -156,14 +156,6 @@ Occlum can be configured easily via a configuration file named `Occlum.json`, wh
             "type": "hostfs",
             "source": "."
         },
-        {
-            "target": "/tmp",
-            "type": "sefs",
-            "source": "./run/mount/tmp",
-            "options": {
-                "temporary": true
-            }
-        },
         {
             "target": "/proc",
             "type": "procfs"
diff --git a/demos/fish/Occlum.json b/demos/fish/Occlum.json
index 7b87bc40..4367e367 100644
--- a/demos/fish/Occlum.json
+++ b/demos/fish/Occlum.json
@@ -53,14 +53,6 @@
             "type": "hostfs",
             "source": "."
         },
-        {
-            "target": "/tmp",
-            "type": "sefs",
-            "source": "./run/mount/tmp",
-            "options": {
-                "temporary": true
-            }
-        },
         {
             "target": "/proc",
             "type": "procfs"
diff --git a/deps/sefs b/deps/sefs
index c87fc408..41484829 160000
--- a/deps/sefs
+++ b/deps/sefs
@@ -1 +1 @@
-Subproject commit c87fc408666e66d34e2b7fa12be6a000e2d5bc0c
+Subproject commit 41484829326a6bcbd92343f7c1bdcf4acf5a56f4
diff --git a/etc/template/Occlum.json b/etc/template/Occlum.json
index fc8b7b97..7fed012e 100644
--- a/etc/template/Occlum.json
+++ b/etc/template/Occlum.json
@@ -53,14 +53,6 @@
             "type": "hostfs",
             "source": "."
         },
-        {
-            "target": "/tmp",
-            "type": "sefs",
-            "source": "./run/mount/tmp",
-            "options": {
-                "temporary": true
-            }
-        },
         {
             "target": "/proc",
             "type": "procfs"
diff --git a/test/Occlum.json b/test/Occlum.json
index 77768b70..d3c41039 100644
--- a/test/Occlum.json
+++ b/test/Occlum.json
@@ -56,14 +56,6 @@
             "type": "hostfs",
             "source": "."
         },
-        {
-            "target": "/tmp",
-            "type": "sefs",
-            "source": "./run/mount/tmp",
-            "options": {
-                "temporary": true
-            }
-        },
         {
             "target": "/proc",
             "type": "procfs"
diff --git a/tools/occlum b/tools/occlum
index a6178f0c..6f5d647e 100755
--- a/tools/occlum
+++ b/tools/occlum
@@ -304,7 +304,6 @@ cmd_build() {
     fi
 
     mkdir -p "$instance_dir/run/mount/__ROOT"
-    mkdir -p "$instance_dir/run/mount/tmp"
 
     mkdir -p "$instance_dir/run/initfs/__ROOT"