diff --git a/src/debug.cc b/src/debug.cc
index acdf11d..33fafe7 100644
--- a/src/debug.cc
+++ b/src/debug.cc
@@ -451,7 +451,7 @@
 Code* Debug::debug_break_return_ = NULL;
 
 
-void Debug::HandleWeakDebugInfo(v8::Persistent<v8::Object> obj, void* data) {
+void Debug::HandleWeakDebugInfo(v8::Persistent<v8::Value> obj, void* data) {
   DebugInfoListNode* node = reinterpret_cast<DebugInfoListNode*>(data);
   RemoveDebugInfo(node->debug_info());
 #ifdef DEBUG
@@ -570,7 +570,6 @@
   // Use the debugger context.
   SaveContext save;
   Top::set_context(*context);
-  Top::set_security_context(*context);
 
   // Expose the builtins object in the debugger context.
   Handle<String> key = Factory::LookupAsciiSymbol("builtins");