diff --git a/rootdir/init.rc b/rootdir/init.rc
index 1e6918d..7da2646 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -1142,7 +1142,7 @@
     write /dev/sys/fs/by-name/userdata/iostat_enable 1
 
     # set readahead multiplier for POSIX_FADV_SEQUENTIAL files
-    write /dev/sys/fs/by-name/userdata/seq_file_ra_mul 16
+    write /dev/sys/fs/by-name/userdata/seq_file_ra_mul 128
 
     # limit discard size to 128MB in order to avoid long IO latency
     # for filesystem tuning first (dm or sda)
diff --git a/rootdir/ramdisk_node_list b/rootdir/ramdisk_node_list
index 4f45faa..d3ab8a6 100644
--- a/rootdir/ramdisk_node_list
+++ b/rootdir/ramdisk_node_list
@@ -1,4 +1,3 @@
 dir dev 0755 0 0
 nod dev/null 0600 0 0 c 1 3
 nod dev/console 0600 0 0 c 5 1
-nod dev/urandom 0600 0 0 c 1 9