diff --git a/matlab/check_particle_filter_options.m b/matlab/check_particle_filter_options.m
index e545eaf3e09e2fd997b03aaf01f397560bc5d7fa..493f4bc0a9078076c3fd560459e6e3bf0a892b5d 100644
--- a/matlab/check_particle_filter_options.m
+++ b/matlab/check_particle_filter_options.m
@@ -111,12 +111,6 @@ if ~isempty(particle_options.particle_filter_options)
                 else
                     particle_options.liu_west_delta=options_list{i,2};
                 end
-            case 'liu_west_chol_sigma_bar'
-                if options_list{i,2} <= 0
-                    error('check_particle_filter_options:: the liu_west_chol_sigma_bar option takes a positive argument');
-                else
-                    particle_options.liu_west_chol_sigma_bar=options_list{i,2};
-                end
                 
             otherwise
                 warning(['check_particle_filter_options: Unknown option (' options_list{i,1} ')!'])
diff --git a/matlab/default_option_values.m b/matlab/default_option_values.m
index 956a5ecbe1068a6d9142ed2992cec3c0844c0506..30bec18014832c456f4278c94f4047a6e48a62ac 100644
--- a/matlab/default_option_values.m
+++ b/matlab/default_option_values.m
@@ -287,7 +287,6 @@ particle.mixture_structural_shocks = 1 ;
 particle.mixture_measurement_shocks = 1 ;
 % Online approach
 particle.liu_west_delta = 0.99 ;
-particle.liu_west_chol_sigma_bar = .01 ;
 % Options for setting the weights in conditional particle filters.
 particle.cpf_weights_method.amisanotristani = true;
 particle.cpf_weights_method.murrayjonesparslow = false;