diff --git a/mediapipe/framework/tool/BUILD b/mediapipe/framework/tool/BUILD
index c34194fbf..56ca0dc65 100644
--- a/mediapipe/framework/tool/BUILD
+++ b/mediapipe/framework/tool/BUILD
@@ -77,7 +77,6 @@ mediapipe_proto_library(
     name = "calculator_graph_template_proto",
     srcs = ["calculator_graph_template.proto"],
     def_options_lib = False,
-    def_py_proto = False,
     visibility = ["//visibility:public"],
     deps = [
         "//mediapipe/framework:calculator_options_proto",