diff --git a/Makefile b/Makefile
index cbad1d7..41b7ce8 100644
--- a/Makefile
+++ b/Makefile
@@ -31,3 +31,4 @@ zip:
 	
 clean:
 	@rm -rf dist/*
+	@rm -f build/*.js
diff --git a/test/legacy/jquery/jquery.js b/test/legacy_jquery/jquery.js
similarity index 100%
rename from test/legacy/jquery/jquery.js
rename to test/legacy_jquery/jquery.js
diff --git a/test/legacy/jquery/ui.core.js b/test/legacy_jquery/ui.core.js
similarity index 100%
rename from test/legacy/jquery/ui.core.js
rename to test/legacy_jquery/ui.core.js
diff --git a/test/legacy/jquery/ui.draggable.js b/test/legacy_jquery/ui.draggable.js
similarity index 100%
rename from test/legacy/jquery/ui.draggable.js
rename to test/legacy_jquery/ui.draggable.js