diff -r 692bb7c10394 -r 3f0470977de4 src/sim/sim_events.hh
--- a/src/sim/sim_events.hh	Wed Aug 19 15:37:41 2015 +0100
+++ b/src/sim/sim_events.hh	Wed Aug 19 15:37:50 2015 +0100
@@ -63,7 +63,7 @@
     // non-scheduling version for createForUnserialize()
     GlobalSimLoopExitEvent();
     GlobalSimLoopExitEvent(Tick when, const std::string &_cause, int c,
-                           Tick repeat = 0, bool serialize = false);
+                           Tick repeat = 0);
 
     const std::string getCause() const { return cause; }
     const int getCode() const { return code; }
@@ -83,8 +83,7 @@
 
   public:
     LocalSimLoopExitEvent();
-    LocalSimLoopExitEvent(const std::string &_cause, int c, Tick repeat = 0,
-                          bool serialize = false);
+    LocalSimLoopExitEvent(const std::string &_cause, int c, Tick repeat = 0);
 
     const std::string getCause() const { return cause; }
     const int getCode() const { return code; }
diff -r 692bb7c10394 -r 3f0470977de4 src/sim/sim_events.cc
--- a/src/sim/sim_events.cc	Wed Aug 19 15:37:41 2015 +0100
+++ b/src/sim/sim_events.cc	Wed Aug 19 15:37:50 2015 +0100
@@ -55,9 +55,8 @@
 
 GlobalSimLoopExitEvent::GlobalSimLoopExitEvent(Tick when,
                                                const std::string &_cause,
-                                               int c, Tick r, bool serialize)
-    : GlobalEvent(when, Sim_Exit_Pri,
-                  IsExitEvent | (serialize ? AutoSerialize : 0)),
+                                               int c, Tick r)
+    : GlobalEvent(when, Sim_Exit_Pri, IsExitEvent),
       cause(_cause), code(c), repeat(r)
 {
 }
@@ -83,19 +82,16 @@
 exitSimLoop(const std::string &message, int exit_code, Tick when, Tick repeat,
             bool serialize)
 {
-    new GlobalSimLoopExitEvent(when + simQuantum, message, exit_code, repeat,
-                               serialize);
-}
+    warn_if(serialize && (when != curTick() || repeat),
+            "exitSimLoop called with a delay and auto serialization. This is "
+            "currently unsupported.");
 
-LocalSimLoopExitEvent::LocalSimLoopExitEvent()
-    : Event(Sim_Exit_Pri, IsExitEvent | AutoSerialize),
-      cause(""), code(0), repeat(0)
-{
+    new GlobalSimLoopExitEvent(when + simQuantum, message, exit_code, repeat);
 }
 
 LocalSimLoopExitEvent::LocalSimLoopExitEvent(const std::string &_cause, int c,
-                                   Tick r, bool serialize)
-    : Event(Sim_Exit_Pri, IsExitEvent | (serialize ? AutoSerialize : 0)),
+                                   Tick r)
+    : Event(Sim_Exit_Pri, IsExitEvent),
       cause(_cause), code(c), repeat(r)
 {
 }
@@ -119,7 +115,6 @@
 void
 LocalSimLoopExitEvent::serialize(CheckpointOut &cp) const
 {
-    paramOut(cp, "type", string("SimLoopExitEvent"));
     Event::serialize(cp);
 
     SERIALIZE_SCALAR(cause);
@@ -137,15 +132,6 @@
     UNSERIALIZE_SCALAR(repeat);
 }
 
-Serializable *
-LocalSimLoopExitEvent::createForUnserialize(CheckpointIn &cp,
-                                            const string &section)
-{
-    return new LocalSimLoopExitEvent();
-}
-
-REGISTER_SERIALIZEABLE("LocalSimLoopExitEvent", LocalSimLoopExitEvent)
-
 //
 // constructor: automatically schedules at specified time
 //