diff --git a/gridss.wdl b/gridss.wdl
index f771ebe494ede56a9d1905760137fdc7f254db3a..b38f344e2301d69054ea363d09981eb7ba890931 100644
--- a/gridss.wdl
+++ b/gridss.wdl
@@ -134,8 +134,6 @@ task AnnotateSvType {
         gridssVcfIndex: {description: "The index for the VCF produced by GRIDSS.", category: "required"}
         outputPath: {description: "The path the output should be written to.",  category: "common"}
         memory: {description: "The amount of memory this job will use.", category: "advanced"}
-        javaXmx: {description: "The maximum memory available to the program. Should be lower than `memory` to accommodate JVM overhead.",
-                  category: "advanced"}
         timeMinutes: {description: "The maximum amount of time the job will run in minutes.", category: "advanced"}
         dockerImage: {description: "The docker image used for this task. Changing this may result in errors which the developers may choose not to address.",
                       category: "advanced"}