1 files changed, 0 insertions, 1 deletions
diff --git a/iseq.h b/iseq.h
index 17066cb4bd..825d52bd84 100644
--- a/iseq.h
+++ b/iseq.h
@@ -203,7 +203,6 @@ struct rb_compile_option_struct {
     unsigned int operands_unification: 1;
     unsigned int instructions_unification: 1;
     unsigned int stack_caching: 1;
-    unsigned int trace_instruction: 1;
     unsigned int frozen_string_literal: 1;
     unsigned int debug_frozen_string_literal: 1;
     unsigned int coverage_enabled: 1;