diff --git a/package.json b/package.json
index 37e73e9..3a9c07d 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
 		"lint": "tslint --format stylish --project .",
 		"build": "del dist && tsc",
 		"test": "npm run lint && npm run build && ava dist/tests",
-		"prepublish": "npm run build"
+		"prepublish": "npm run build && del dist/tests"
 	},
 	"files": [
 		"dist"