diff --git a/kernel/StandardRoutines/ita_pause.m b/kernel/StandardRoutines/ita_pause.m
index a4dd003cb3f55f20821c1d37a970be4453273ad4..5df54119229ddc2d51e7da3530fd49f7a00eb772 100644
--- a/kernel/StandardRoutines/ita_pause.m
+++ b/kernel/StandardRoutines/ita_pause.m
@@ -1,4 +1,4 @@
-function [] = ita_pause( seconds )
+function ita_pause( seconds )
 % ita_pause pauses (sleeps) for given time (units in seconds)
-    java.util.concurrent.locks.LockSupport.park( seconds * 1e9 ) );
+    java.util.concurrent.locks.LockSupport.parkNanos( seconds * 1e9 );
 end
diff --git a/kernel/StandardRoutines/ita_pause_ms.m b/kernel/StandardRoutines/ita_pause_ms.m
index e876576d927efd572e0e24732abbb86a66fc9892..738277c6369e1c9816978399cc9db9700e6465d2 100644
--- a/kernel/StandardRoutines/ita_pause_ms.m
+++ b/kernel/StandardRoutines/ita_pause_ms.m
@@ -1,4 +1,4 @@
-function [] = ita_pause_ms( milli_seconds )
+function ita_pause_ms( milli_seconds )
 % ita_pause_ms pauses (sleeps) for given time (units in milliseconds)
     java.util.concurrent.locks.LockSupport.parkNanos( milli_seconds * 1e6 );
 end
diff --git a/kernel/StandardRoutines/ita_pause_ns.m b/kernel/StandardRoutines/ita_pause_ns.m
index 86f51663552f0f64a806b38a768c3b03addefd45..89faacfe5eae84d5f47ebdfba25e220ff44b1105 100644
--- a/kernel/StandardRoutines/ita_pause_ns.m
+++ b/kernel/StandardRoutines/ita_pause_ns.m
@@ -1,4 +1,4 @@
-function [] = ita_pause_ns( nano_seconds )
+function ita_pause_ns( nano_seconds )
 % ita_pause_ns pauses (sleeps) for given time (units in nanoseconds)
     java.util.concurrent.locks.LockSupport.parkNanos( nano_seconds );
 end
diff --git a/kernel/StandardRoutines/ita_pause_us.m b/kernel/StandardRoutines/ita_pause_us.m
index 68e99b239817daba5f693814f7032d278cac995d..a7fc9dcc3fa98af562d8254320250ace6214a9bd 100644
--- a/kernel/StandardRoutines/ita_pause_us.m
+++ b/kernel/StandardRoutines/ita_pause_us.m
@@ -1,4 +1,4 @@
-function [] = ita_pause_us( micro_seconds )
+function ita_pause_us( micro_seconds )
 % ita_pause_us pauses (sleeps) for given time (units in micro seconds)
     java.util.concurrent.locks.LockSupport.parkNanos( micro_seconds * 1e3 );
 end