diff --git a/README.md b/README.md
index 9676f5e7b..a38aff48e 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,6 @@ Windows
     > git clone https://github.com/seven332/EhViewer
     > cd EhViewer
     > git submodule update --init
-    > gradlew app:copyNotice
     > gradlew daogenerator:executeDaoGenerator
     > gradlew app:assembleDebug
 
@@ -28,7 +27,6 @@ Linux
     $ git clone https://github.com/seven332/EhViewer
     $ cd EhViewer
     $ git submodule update --init
-    $ ./gradlew app:copyNotice
     $ ./gradlew daogenerator:executeDaoGenerator
     $ ./gradlew app:assembleDebug
 
diff --git a/app/build.gradle b/app/build.gradle
index 83a0c9231..c35c547c9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -46,6 +46,14 @@ task copyNotice(type: Copy) {
     into './src/main/assets'
 }
 
+tasks.withType(AbstractCompile) {
+    compileTask -> compileTask.dependsOn copyNotice
+}
+
+clean {
+    delete file('src/main/assets/NOTICE.html').absolutePath
+}
+
 dependencies {
     compile project(':beerbelly')
     compile project(':conaco')