diff --git a/init.hardware.rc b/init.hardware.rc
index 39742e2..ef2b920 100644
--- a/init.hardware.rc
+++ b/init.hardware.rc
@@ -414,9 +414,6 @@
     # Enable powersaving
     write /sys/module/lpm_levels/parameters/sleep_disabled 0
 
-    # F2FS tuning: issue discard commands up to 128MB
-    write /sys/block/dm-7/queue/discard_max_bytes 134217728
-
     # Block layer tuning: discard chunk size up to 128MB
     # Otherwise, contiguous discards can be merged
     write /sys/block/sda/queue/discard_max_bytes 134217728