1 files changed, 0 insertions, 1 deletions
diff --git a/internal.h b/internal.h
index 1b27df0009..1b6cb2605d 100644
--- a/internal.h
+++ b/internal.h
@@ -2396,7 +2396,6 @@ struct rb_call_cache {
     union {
         unsigned int index; /* used by ivar */
         enum method_missing_reason method_missing_reason; /* used by method_missing */
-        int inc_sp; /* used by cfunc */
     } aux;
 };
 STATIC_ASSERT(cachelined, sizeof(struct rb_call_cache) <= CACHELINE);