diff --git a/samples/calculator/build.gradle b/samples/calculator/build.gradle
index 04f02f0d103..02612e631b6 100644
--- a/samples/calculator/build.gradle
+++ b/samples/calculator/build.gradle
@@ -2,4 +2,10 @@ task build {
     subprojects.each {
         dependsOn("${it.path}:build")
     }
+}
+
+task clean {
+    subprojects.each {
+        dependsOn("${it.path}:clean")
+    }
 }
\ No newline at end of file