diff --git a/spring-boot-samples/spring-boot-sample-web-static/build.gradle b/spring-boot-samples/spring-boot-sample-web-static/build.gradle
index ab834b389d..c12759d6b1 100644
--- a/spring-boot-samples/spring-boot-sample-web-static/build.gradle
+++ b/spring-boot-samples/spring-boot-sample-web-static/build.gradle
@@ -22,8 +22,6 @@ apply plugin: 'idea'
 apply plugin: 'spring-boot'
 apply plugin: 'war'
 
-mainClassName = "sample.ui.SampleWebStaticApplication"
-
 war {
 	baseName = 'spring-boot-sample-web-static'
 	version =  '0.0.0'
diff --git a/spring-boot-samples/spring-boot-sample-web-ui/build.gradle b/spring-boot-samples/spring-boot-sample-web-ui/build.gradle
index c2514582f1..25ddf73c73 100644
--- a/spring-boot-samples/spring-boot-sample-web-ui/build.gradle
+++ b/spring-boot-samples/spring-boot-sample-web-ui/build.gradle
@@ -23,8 +23,6 @@ apply plugin: 'eclipse'
 apply plugin: 'idea'
 apply plugin: 'spring-boot'
 
-mainClassName = "sample.ui.SampleWebUiApplication"
-
 springBoot {
     classifier = 'exec'
 }