diff --git a/prune.go b/prune.go
index ed8b3e6..703052a 100644
--- a/prune.go
+++ b/prune.go
@@ -53,6 +53,7 @@ var DefaultFiles = []string{
 	".babelrc",
 	".yo-rc.json",
 	"jest.config.js",
+	"tsconfig.json",
 }
 
 // DefaultDirectories pruned.