diff --git a/samples/matlab/catcomb.m b/samples/matlab/catcomb.m
index 9130bcdcee..82863e588c 100644
--- a/samples/matlab/catcomb.m
+++ b/samples/matlab/catcomb.m
@@ -12,8 +12,6 @@
 %
 
 help catcomb;
-%disp('press any key to start the simulation');
-%pause;
 
 clear all;
 cleanup;
diff --git a/samples/matlab/flame1.m b/samples/matlab/flame1.m
index a8fbe1db2c..6885ddb2db 100644
--- a/samples/matlab/flame1.m
+++ b/samples/matlab/flame1.m
@@ -4,8 +4,6 @@
 %    at low pressure.
 
 help flame1;
-%disp('press any key to begin the simulation');
-%pause;
 
 t0 = cputime;  % record the starting time