diff --git a/build.gradle b/build.gradle
index fc3aec73e..1830e7ebd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -174,8 +174,6 @@ subprojects.forEach { subProject ->
 
             testClassesDirs = evalSubProject.sourceSets.functionalTest.output.classesDirs
             classpath = evalSubProject.sourceSets.functionalTest.runtimeClasspath
-
-            maxHeapSize = "3g"
         }
 
         //Wire them up so they run as part of the check task (and as such through build, but not through test!)