diff --git a/gradle/grails-plugin-config.gradle b/gradle/grails-plugin-config.gradle
deleted file mode 100644
index da07410b72..0000000000
--- a/gradle/grails-plugin-config.gradle
+++ /dev/null
@@ -1,7 +0,0 @@
-tasks.named('bootJar') {
-    enabled = false // Plugins should not create a bootJar
-}
-tasks.named('jar', Jar) {
-    enabled = true // Enable the jar task again, as the bootJar task has been disabled
-    archiveClassifier = '' // Remove '-plain' suffix from jar file name
-}
\ No newline at end of file
diff --git a/grails-plugin-gsp/build.gradle b/grails-plugin-gsp/build.gradle
index 4a2c973b83..89e134da45 100644
--- a/grails-plugin-gsp/build.gradle
+++ b/grails-plugin-gsp/build.gradle
@@ -41,7 +41,11 @@ dependencies {
 
     testRuntimeOnly "org.grails:grails-plugin-url-mappings:$grailsVersion"
 }
-
+// disable main class
+bootJar {
+    mainClass.set('dummy.Application')
+}
+findMainClass.onlyIf { false }
 test {
     if (isCiBuild) {
         maxParallelForks = 1
@@ -58,5 +62,3 @@ test {
         System.out.flush()
     }
 }
-
-apply from: rootProject.layout.projectDirectory.file('gradle/grails-plugin-config.gradle')
diff --git a/grails-plugin-sitemesh2/build.gradle b/grails-plugin-sitemesh2/build.gradle
index e984a1ecf9..c1862710cf 100644
--- a/grails-plugin-sitemesh2/build.gradle
+++ b/grails-plugin-sitemesh2/build.gradle
@@ -23,5 +23,8 @@ dependencies {
         exclude group:'org.grails', module:'grails-web-common'
     }
 }
-
-apply from: rootProject.layout.projectDirectory.file('gradle/grails-plugin-config.gradle')
\ No newline at end of file
+// disable main class
+bootJar {
+    mainClass.set('dummy.Application')
+}
+findMainClass.onlyIf { false }
\ No newline at end of file