diff --git a/src/env.h b/src/env.h
index da2e83addd5f65..30b7c7343572d6 100644
--- a/src/env.h
+++ b/src/env.h
@@ -1053,7 +1053,6 @@ class Environment {
   TickInfo tick_info_;
   const uint64_t timer_base_;
   bool printed_error_ = false;
-  bool abort_on_uncaught_exception_ = false;
   bool emit_env_nonstring_warning_ = true;
   bool emit_err_name_warning_ = true;
   size_t makecallback_cntr_ = 0;