diff --git a/variants/germline_vc.sh b/variants/germline_vc.sh
index ac2c1d70c0be82583ba7251d36a18c4c78c8c571..c81b05ff6bb04616e863b3262f96f81f305f7ef0 100755
--- a/variants/germline_vc.sh
+++ b/variants/germline_vc.sh
@@ -86,7 +86,9 @@ then
     for i in *.bam; do
     bamlist="$bamlist --bam ${PWD}/${i}"
     done
-    cut -f 1 $fbsplit | parallel --memfree 2G --delay 1 --jobs 0 "freebayes -f ${index_path}/genome.fa  --min-mapping-quality 0 --min-base-quality 20 --min-coverage 10 --min-alternate-fraction 0.01 -C 3 --use-best-n-alleles 3 -r {} ${bamlist} > fb.{}.vcf"
+    #--memfree 2G for DNANexus
+
+    cut -f 1 $fbsplit | parallel --delay 1 --jobs 0 "freebayes -f ${index_path}/genome.fa  --min-mapping-quality 0 --min-base-quality 20 --min-coverage 10 --min-alternate-fraction 0.01 -C 3 --use-best-n-alleles 3 -r {} ${bamlist} > fb.{}.vcf"
     vcf-concat fb.*.vcf | vcf-sort | vcf-annotate -n --fill-type | bcftools norm -c s -f ${reffa} -w 10 -O z -o ${pair_id}.fb.vcf.gz -
 elif [[ $algo == 'platypus' ]]
 then
diff --git a/variants/somatic_vc.sh b/variants/somatic_vc.sh
index d3701aab91542be8219e7cce34bb0fe6ca6d91f2..f3461f0fc65441eaaf0c98a0d668c3514397caa0 100755
--- a/variants/somatic_vc.sh
+++ b/variants/somatic_vc.sh
@@ -142,6 +142,7 @@ then
 elif [ $algo == 'shimmer' ]
 then
     module load R/3.6.1-gccmkl
+    module rm perl/5.18.2
     shimmer.pl --minqual 25 --ref ${reffa} ${normal} ${tumor} --outdir shimmer 2> shimmer.err
     perl $baseDir/add_readct_shimmer.pl
     module rm java/oracle/jdk1.7.0_51