diff --git a/rebar.config b/rebar.config
index acaa17a35..8999d9e97 100644
--- a/rebar.config
+++ b/rebar.config
@@ -49,3 +49,15 @@
     , {rulesql, {git, "https://github.com/emqx/rulesql", {tag, "0.1.2"}}}
     , {getopt, "1.0.1"}
     ]}.
+
+{xref_ignores,
+ [ %% schema registry is for enterprise
+  {emqx_schema_registry,get_all_schemas,0},
+  {emqx_schema_api,format_schema,1},
+  {emqx_schema_api,make_schema_params,1},
+  {emqx_schema_parser,decode,3},
+  {emqx_schema_parser,encode,3},
+  {emqx_schema_registry,add_schema,1},
+  emqx_exhook_pb, % generated code for protobuf
+  emqx_exproto_pb % generated code for protobuf
+]}.