1 files changed, 0 insertions, 1 deletions
diff --git a/iseq.h b/iseq.h
index 46a8b1b010..1ca77a34d9 100644
--- a/iseq.h
+++ b/iseq.h
@@ -90,7 +90,6 @@ ISEQ_ORIGINAL_ISEQ_ALLOC(const rb_iseq_t *iseq, long size)
 #define ISEQ_NOT_LOADED_YET   IMEMO_FL_USER1
 #define ISEQ_USE_COMPILE_DATA IMEMO_FL_USER2
 #define ISEQ_TRANSLATED       IMEMO_FL_USER3
-#define ISEQ_MARKABLE_ISEQ    IMEMO_FL_USER4
 
 #define ISEQ_EXECUTABLE_P(iseq) (FL_TEST_RAW(((VALUE)iseq), ISEQ_NOT_LOADED_YET | ISEQ_USE_COMPILE_DATA) == 0)