diff --git a/doc/zmq_ctx_set.txt b/doc/zmq_ctx_set.txt
index c518f77b..461444bc 100644
--- a/doc/zmq_ctx_set.txt
+++ b/doc/zmq_ctx_set.txt
@@ -32,28 +32,6 @@ context.
 [horizontal]
 Default value:: 1
 
-ZMQ_THREAD_SCHED_POLICY: Set scheduling policy for I/O threads
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-The 'ZMQ_THREAD_SCHED_POLICY' argument sets the scheduling policy for
-internal context's thread pool. This option is not available on windows.
-Supported values for this option can be found in sched.h file,
-or at http://man7.org/linux/man-pages/man2/sched_setscheduler.2.html.
-This option only applies before creating any sockets on the context.
-
-[horizontal]
-Default value:: -1
-
-ZMQ_THREAD_PRIORITY: Set scheduling priority for I/O threads
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-The 'ZMQ_THREAD_PRIORITY' argument sets scheduling priority for
-internal context's thread pool. This option is not available on windows.
-Supported values for this option depend on chosen scheduling policy.
-Details can be found in sched.h file, or at http://man7.org/linux/man-pages/man2/sched_setscheduler.2.html.
-This option only applies before creating any sockets on the context.
-
-[horizontal]
-Default value:: -1
-
 ZMQ_MAX_SOCKETS: Set maximum number of sockets
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 The 'ZMQ_MAX_SOCKETS' argument sets the maximum number of sockets allowed