diff --git a/zapp/zapp.bzl b/zapp/zapp.bzl
index 71d220f..cfce977 100644
--- a/zapp/zapp.bzl
+++ b/zapp/zapp.bzl
@@ -184,7 +184,6 @@ _zapp_attrs = {
     ),
     "shebang": attr.string(default = "/usr/bin/env %py3%"),
     "zip_safe": attr.bool(default = True),
-    "root_import": attr.bool(default = False),
 }
 
 _zapp = rule(