diff --git a/libraries/AP_HAL_Linux/Scheduler.cpp b/libraries/AP_HAL_Linux/Scheduler.cpp
index 6f85e8349c..3174d818f0 100644
--- a/libraries/AP_HAL_Linux/Scheduler.cpp
+++ b/libraries/AP_HAL_Linux/Scheduler.cpp
@@ -259,8 +259,6 @@ void *LinuxScheduler::_timer_thread(void* arg)
 {
     LinuxScheduler* sched = (LinuxScheduler *)arg;
 
-    mlockall(MCL_CURRENT|MCL_FUTURE);
-
     while (sched->system_initializing()) {
         poll(NULL, 0, 1);
     }
@@ -304,8 +302,6 @@ void *LinuxScheduler::_rcin_thread(void *arg)
 {
     LinuxScheduler* sched = (LinuxScheduler *)arg;
 
-    mlockall(MCL_CURRENT|MCL_FUTURE);
-
     while (sched->system_initializing()) {
         poll(NULL, 0, 1);
     }
@@ -321,8 +317,6 @@ void *LinuxScheduler::_uart_thread(void* arg)
 {
     LinuxScheduler* sched = (LinuxScheduler *)arg;
 
-    mlockall(MCL_CURRENT|MCL_FUTURE);
-
     while (sched->system_initializing()) {
         poll(NULL, 0, 1);
     }
@@ -341,8 +335,6 @@ void *LinuxScheduler::_tonealarm_thread(void* arg)
 {
     LinuxScheduler* sched = (LinuxScheduler *)arg;
 
-    mlockall(MCL_CURRENT|MCL_FUTURE);
-
     while (sched->system_initializing()) {
         poll(NULL, 0, 1);
     }
@@ -359,8 +351,6 @@ void *LinuxScheduler::_io_thread(void* arg)
 {
     LinuxScheduler* sched = (LinuxScheduler *)arg;
 
-    mlockall(MCL_CURRENT|MCL_FUTURE);
-
     while (sched->system_initializing()) {
         poll(NULL, 0, 1);
     }