@ -47,10 +47,6 @@ class ParallelExecutor {
void BCastParamsToGPUs(const ProgramDesc& startup_program) const;
void ConstructDependencyGraph(const std::unordered_set<std::string>& params,
const ProgramDesc& main_program,
const std::string& loss_var_name) const;
void BuildNCCLCommunicator() const;
};