diff --git a/libguile/vm-engine.c b/libguile/vm-engine.c
index 59ed35751..48011540d 100644
--- a/libguile/vm-engine.c
+++ b/libguile/vm-engine.c
@@ -2191,18 +2191,12 @@ VM_NAME (scm_i_thread *thread, struct scm_vm *vp,
   VM_DEFINE_OP (110, unused_110, NULL, NOP)
   VM_DEFINE_OP (111, unused_111, NULL, NOP)
   VM_DEFINE_OP (112, unused_112, NULL, NOP)
+  VM_DEFINE_OP (113, unused_113, NULL, NOP)
     {
       vm_error_bad_instruction (op);
       abort (); /* never reached */
     }
 
-  VM_DEFINE_OP (113, unused_113, NULL, NOP)
-    {
-      ARGS1 (obj);
-      /* FIXME: restore fast path for direct instances.  */
-      RETURN_EXP (scm_class_of (obj));
-    }
-
   
 
   /*