diff --git a/man2/clone.2 b/man2/clone.2
index 02060e64d..1621f06e2 100644
--- a/man2/clone.2
+++ b/man2/clone.2
@@ -551,16 +551,6 @@ the location
 in the parent's memory.
 The close-on-exec flag is set on this new file descriptor.
 .IP
-Note, that the kernel verifies that the value for
-.I ptid
-is zero.
-If it is not, then an error will be returned.
-This ensures that
-.I ptid
-can potentially be used to specify additional options for
-.B CLONE_PIDFD
-in the future.
-.IP
 Since the
 .I ptid
 argument is used to return the pidfd,