diff --git a/include/uapi/linux/cgroupstats.h b/include/uapi/linux/cgroupstats.h
index aa306e4cd6c1..80b2c8594480 100644
--- a/include/uapi/linux/cgroupstats.h
+++ b/include/uapi/linux/cgroupstats.h
@@ -24,8 +24,6 @@
  * basis. This data is shared using taskstats.
  *
  * Most of these states are derived by looking at the task->state value
- * For the nr_io_wait state, a flag in the delay accounting structure
- * indicates that the task is waiting on IO
  *
  * Each member is aligned to a 8 byte boundary.
  */