diff --git a/src/relay/pass/optimizer.cc b/src/relay/pass/optimizer.cc
index b907fb5cb9d85..71a0e4da6072c 100644
--- a/src/relay/pass/optimizer.cc
+++ b/src/relay/pass/optimizer.cc
@@ -50,7 +50,7 @@ Module ModulePassNode::Run(const Module& mod,
   auto foreach = pass_func(mod);
   auto updated_mod = foreach(mod);
   CHECK(updated_mod.defined());
-  return std::move(updated_mod);
+  return updated_mod;
 }
 
 FunctionPass FunctionPassNode::make(std::string name, int opt_level,