diff --git a/designer_base/clean.gradle b/designer_base/clean.gradle
new file mode 100644
index 000000000..0ec1173bf
--- /dev/null
+++ b/designer_base/clean.gradle
@@ -0,0 +1,10 @@
+
+apply plugin: 'java'
+
+
+task clean {
+	ant{
+		delete(dir:"build")
+	}
+}
+
diff --git a/designer_chart/clean.gradle b/designer_chart/clean.gradle
new file mode 100644
index 000000000..0ec1173bf
--- /dev/null
+++ b/designer_chart/clean.gradle
@@ -0,0 +1,10 @@
+
+apply plugin: 'java'
+
+
+task clean {
+	ant{
+		delete(dir:"build")
+	}
+}
+
diff --git a/designer_form/clean.gradle b/designer_form/clean.gradle
new file mode 100644
index 000000000..0ec1173bf
--- /dev/null
+++ b/designer_form/clean.gradle
@@ -0,0 +1,10 @@
+
+apply plugin: 'java'
+
+
+task clean {
+	ant{
+		delete(dir:"build")
+	}
+}
+