diff --git a/gatk.wdl b/gatk.wdl
index 66ff1a2f7cb73cd8a488c4a21e33b6ab44133b13..fbbc8138342e1e37aafb7289129d775e6aec962f 100644
--- a/gatk.wdl
+++ b/gatk.wdl
@@ -25,7 +25,6 @@ task ApplyBQSR {
         set -e -o pipefail
         ${preCommand}
         ${toolCommand} \
-        -Xms${mem}G -jar ${gatkJar} \
           ApplyBQSR \
           --create-output-bam-md5 \
           --add-output-sam-program-record \