diff --git a/tests/bvar_a_la_sims/bvar_standalone.mod b/tests/bvar_a_la_sims/bvar_standalone.mod
index f3b2cbf18..ae34ff959 100644
--- a/tests/bvar_a_la_sims/bvar_standalone.mod
+++ b/tests/bvar_a_la_sims/bvar_standalone.mod
@@ -2,9 +2,9 @@ var dx dy;
 varobs dx dy;
 
 bvar_density(datafile = bvar_sample, first_obs = 20, bvar_prior_flat,
-             bvar_prior_train = 10) 8;
+             bvar_prior_train = 10) 2;
 
-bvar_forecast(forecast = 10, bvar_replic = 10000, nobs = 200) 8;
+bvar_forecast(forecast = 2, bvar_replic = 1000, nobs = 200) 2;
 
-bvar_irf(8,'Cholesky');
-bvar_irf(8,'SquareRoot');
\ No newline at end of file
+bvar_irf(2,'Cholesky');
+bvar_irf(2,'SquareRoot');
\ No newline at end of file
diff --git a/tests/ep/rbc_mc.mod b/tests/ep/rbc_mc.mod
index d16e48352..5f30d6ce5 100644
--- a/tests/ep/rbc_mc.mod
+++ b/tests/ep/rbc_mc.mod
@@ -72,4 +72,4 @@ end;
 
 steady(nocheck);
 
-Simulations = extended_path_mc([], 10, 5, [], options_, M_, oo_);
\ No newline at end of file
+Simulations = extended_path_mc([], 2, 2, [], options_, M_, oo_);
\ No newline at end of file
diff --git a/tests/optimizers/fs2000_6.mod b/tests/optimizers/fs2000_6.mod
index 3a3fe275c..21738c869 100644
--- a/tests/optimizers/fs2000_6.mod
+++ b/tests/optimizers/fs2000_6.mod
@@ -1,6 +1,6 @@
 @#include "fs2000.common.inc"
 
-estimation(mode_compute=6,order=1, datafile='../fs2000/fsdat_simul', nobs=192, mh_replic=0, optim=('nclimb-mh', 10, 'ncov-mh', 5000, 'nscale-mh', 10000));
+estimation(mode_compute=6,order=1, datafile='../fs2000/fsdat_simul', nobs=192, mh_replic=0, optim=('nclimb-mh', 10, 'ncov-mh', 1000, 'nscale-mh', 5000));
 
 // test the mode file generated with mode_compute=6
 estimation(order=1,datafile='../fs2000/fsdat_simul',nobs=192,loglinear,mode_compute=0,mode_file=fs2000_6_mode,mh_replic=10,