diff --git a/test_all/make_curr.sh b/test_all/make_curr.sh
index f9a81f0..747ccdb 100755
--- a/test_all/make_curr.sh
+++ b/test_all/make_curr.sh
@@ -117,10 +117,15 @@ else
     echo "Running matlab unittests"
     utd="../matlab_bridge/matlab_unittest"
     cd $utd
+    # clear old nwb files from matlab_unittest directory
+    rm *.nwb
     $matlab -nodisplay -nosplash -nodesktop -r "try, run('run_all_tests.m'), catch me, fprintf('%s / %s\n',me.identifier,me.message), end, exit"
     cd $cwd
 
     echo "run matlab examples"
+    # clear output directories for matlab example create scripts
+    ml_examples_nwb_dir="../matlab_bridge/matlab_examples/created_nwb_files"
+    clear_dir $ml_examples_nwb_dir
     exd="../matlab_bridge/matlab_examples/create_scripts"
     cd $exd
     $matlab -nodisplay -nosplash -nodesktop -r "try, run('run_all_examples.m'), catch me, fprintf('%s / %s\n',me.identifier,me.message), end, exit"
@@ -148,7 +153,6 @@ else
     echo "making signature files for matlab examples"
     curr_ml_examples_sig_dir="$curr_ml_examples_dir/h5sig"
     mkdir -p $curr_ml_examples_sig_dir
-    ml_examples_nwb_dir="../matlab_bridge/matlab_examples/created_nwb_files"
     python ../examples/utility_scripts/make_h5sig.py $ml_examples_nwb_dir $curr_ml_examples_sig_dir
 
 
diff --git a/test_all/orig/dirsig.txt b/test_all/orig/dirsig.txt
index df677db..8bb6cb9 100644
--- a/test_all/orig/dirsig.txt
+++ b/test_all/orig/dirsig.txt
@@ -1,5 +1,5 @@
 jZSWqA check_schemas.txt
-jskOgq log.txt
+lkLpVy log.txt
 ckBgPE doc/behavior-e.html
 nOEUPO doc/closed_interface-e.html
 ksmjJP doc/core_doc.html
@@ -117,8 +117,6 @@ kPhDpF matlab_bridge/examples/create/crcns_alm_1.txt
 iRHZBG matlab_bridge/examples/h5sig/abstract_feature.txt
 fZFkPU matlab_bridge/examples/h5sig/analysis_e.txt
 bxOqkN matlab_bridge/examples/h5sig/crcns_alm-1/NL_example20140905_ANM219037_20131117.txt
-jDEloG matlab_bridge/examples/h5sig/crcns_alm-1/NL_example20140905_ANM219037_20131117_nwb.txt
-dYuFcx matlab_bridge/examples/h5sig/crcns_alm-1/NL_example20140905_ANM219037_20131117_orig.txt
 lIlkXI matlab_bridge/unittest/unittest_results.txt
 DwdBcw matlab_bridge/unittest/h5sig/s_annotation.txt
 gzfwbV matlab_bridge/unittest/h5sig/s_append.txt