diff --git a/storage/innobase/buf/buf0flu.cc b/storage/innobase/buf/buf0flu.cc
index 77c6225e455ed..339b30659feb9 100644
--- a/storage/innobase/buf/buf0flu.cc
+++ b/storage/innobase/buf/buf0flu.cc
@@ -40,13 +40,6 @@ Created 11/11/1995 Heikki Tuuri
 #include "log0crypt.h"
 #include "srv0mon.h"
 #include "fil0pagecompress.h"
-#ifdef UNIV_LINUX
-/* include defs for CPU time priority settings */
-#include <unistd.h>
-#include <sys/syscall.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#endif /* UNIV_LINUX */
 #ifdef HAVE_LZO
 # include "lzo/lzo1x.h"
 #elif defined HAVE_SNAPPY
@@ -2083,21 +2076,6 @@ static os_thread_ret_t DECLARE_THREAD(buf_flush_page_cleaner)(void*)
   ut_ad(!srv_read_only_mode);
   ut_ad(buf_page_cleaner_is_active);
 
-#ifdef UNIV_DEBUG_THREAD_CREATION
-  ib::info() << "page_cleaner thread running, id "
-             << os_thread_get_curr_id();
-#endif /* UNIV_DEBUG_THREAD_CREATION */
-#ifdef UNIV_LINUX
-  /* linux might be able to set different setting for each thread.
-  worth to try to set high priority for the page cleaner thread */
-  const pid_t tid= static_cast<pid_t>(syscall(SYS_gettid));
-  setpriority(PRIO_PROCESS, tid, -20);
-  if (getpriority(PRIO_PROCESS, tid) != -20)
-    ib::info() << "If the mysqld execution user is authorized,"
-                  " page cleaner thread priority can be changed."
-                  " See the man page of setpriority().";
-#endif /* UNIV_LINUX */
-
   ulint last_pages= 0;
   timespec abstime;
   set_timespec(abstime, 1);