diff --git a/src/busco/busco/config.vsh.yaml b/src/busco/busco/config.vsh.yaml
index 33af0c54..43c1c7d3 100644
--- a/src/busco/busco/config.vsh.yaml
+++ b/src/busco/busco/config.vsh.yaml
@@ -153,12 +153,12 @@ functionality:
       arguments:
         - name: --contig_break
           type: integer
-          default: 10
+          required: false
           description: |
             Number of contiguous Ns to signify a break between contigs in BBTools analysis.
         - name: --limit
           type: integer
-          default: 3
+          required: false
           description: |
             Number of candidate regions (contig or transcript) from the BLAST output to consider per BUSCO.
             This option is only effective in pipelines using BLAST, i.e. the genome pipeline (see --augustus) or the prokaryota transcriptome pipeline.
@@ -171,7 +171,7 @@ functionality:
       arguments:
         - name: --e_value
           type: double
-          default: 0.001
+          required: false
           description: |
             E-value cutoff for BLAST searches.
 
diff --git a/src/busco/busco/test.sh b/src/busco/busco/test.sh
index b46ef50b..1d6ce29f 100644
--- a/src/busco/busco/test.sh
+++ b/src/busco/busco/test.sh
@@ -7,7 +7,6 @@ echo "> Running busco"
     --mode protein \
     --lineage_dataset stramenopiles_odb10 \
     --output_dir output 
-ls -la output/run_stramenopiles_odb10
 
 echo ">> Checking output"
 [ ! -f "output/full_table.tsv" ] && echo "full_table.tsv does not exist" && exit 1