diff --git a/matlab/+SSF/draw_ssf_ncd.m b/matlab/+SSF/draw_ssf_ncd.m
index 788c609b158bcbbfd0647f590688a07073de505d..930892a0fd2905637aec4201d53a98d25eb0d5b5 100644
--- a/matlab/+SSF/draw_ssf_ncd.m
+++ b/matlab/+SSF/draw_ssf_ncd.m
@@ -1,4 +1,4 @@
-function [csf_mean,csf_std,csf] = draw_ssf_ncd(ROOT,classList,A,K)
+function csf = draw_ssf_ncd(ROOT,classList,A,K)
 
 flist = dir(fullfile(ROOT,'*.LEVER'));
 [classUnique,ia,ic]= unique(classList);