1 files changed, 4 insertions, 0 deletions
diff --git a/ractor.c b/ractor.c
index 0306736c18..0eddc165fa 100644
--- a/ractor.c
+++ b/ractor.c
@@ -74,7 +74,9 @@ static void
 ractor_lock_self(rb_ractor_t *cr, const char *file, int line)
 {
     VM_ASSERT(cr == GET_RACTOR());
+#if RACTOR_CHECK_MODE > 0
     VM_ASSERT(cr->sync.locked_by != cr->pub.self);
+#endif
     ractor_lock(cr, file, line);
 }
 
@@ -94,7 +96,9 @@ static void
 ractor_unlock_self(rb_ractor_t *cr, const char *file, int line)
 {
     VM_ASSERT(cr == GET_RACTOR());
+#if RACTOR_CHECK_MODE > 0
     VM_ASSERT(cr->sync.locked_by == cr->pub.self);
+#endif
     ractor_unlock(cr, file, line);
 }