1 files changed, 2 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 444303173f..34217f7732 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -458,11 +458,13 @@ struct rb_iseq_constant_body {
     unsigned int ci_kw_size;
     unsigned int stack_max; /* for stack overflow check */
 
+#if USE_MJIT
     /* The following fields are MJIT related info.  */
     VALUE (*jit_func)(struct rb_execution_context_struct *,
                       struct rb_control_frame_struct *); /* function pointer for loaded native code */
     long unsigned total_calls; /* number of total calls with `mjit_exec()` */
     struct rb_mjit_unit *jit_unit;
+#endif
     char catch_except_p; /* If a frame of this ISeq may catch exception, set TRUE */
 };