diff --git a/src/task/task.F b/src/task/task.F
index fff5e704e5..3fb76f6dcf 100644
--- a/src/task/task.F
+++ b/src/task/task.F
@@ -340,8 +340,8 @@ CJMC
          else
            status = task_dynamics(rtdb)
          endif
-      else if (inp_compare(.false.,'rfcf',operation)) then
-           status = task_rfcf(rtdb)
+c      else if (inp_compare(.false.,'rfcf',operation)) then
+c           status = task_rfcf(rtdb)
       else if(inp_compare(.false.,'fep',operation)) then
          if(oqmmm) then
            status = task_qmmm_fep(rtdb)