diff --git a/dom/base/nsDOMClassInfo.cpp b/dom/base/nsDOMClassInfo.cpp
index bf4e4236a8b..52f2e7d6ee4 100644
--- a/dom/base/nsDOMClassInfo.cpp
+++ b/dom/base/nsDOMClassInfo.cpp
@@ -894,15 +894,6 @@ nsDOMClassInfo::PreCreate(nsISupports *nativeObj, JSContext *cx,
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsDOMClassInfo::Create(nsIXPConnectWrappedNative *wrapper,
-                       JSContext *cx, JSObject *obj)
-{
-  NS_WARNING("nsDOMClassInfo::Create Don't call me!");
-
-  return NS_ERROR_UNEXPECTED;
-}
-
 NS_IMETHODIMP
 nsDOMClassInfo::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx,
                             JSObject *obj, jsid id, jsval *vp,
diff --git a/js/xpconnect/idl/nsIXPCScriptable.idl b/js/xpconnect/idl/nsIXPCScriptable.idl
index 6fd0690a9c0..a46245f57bb 100644
--- a/js/xpconnect/idl/nsIXPCScriptable.idl
+++ b/js/xpconnect/idl/nsIXPCScriptable.idl
@@ -32,13 +32,13 @@ interface nsIXPConnectWrappedNative;
  * boolean to PR_TRUE before making the call.  Implementations may skip writing
  * to *_retval unless they want to return PR_FALSE.
  */
-[uuid(24425dab-4e6b-4df5-b621-da2458c3bc42)]
+[uuid(82755b3f-fd81-4efe-aa14-d4743fbedda1)]
 interface nsIXPCScriptable : nsISupports
 {
     /* bitflags used for 'flags' (only 32 bits available!) */
 
     const uint32_t WANT_PRECREATE                   = 1 <<  0;
-    const uint32_t WANT_CREATE                      = 1 <<  1;
+    // unused bit here
     // unused bit here
     const uint32_t WANT_ADDPROPERTY                 = 1 <<  3;
     const uint32_t WANT_DELPROPERTY                 = 1 <<  4;
@@ -77,9 +77,6 @@ interface nsIXPCScriptable : nsISupports
     void   preCreate(in nsISupports nativeObj, in JSContextPtr cx,
                      in JSObjectPtr globalObj, out JSObjectPtr parentObj);
 
-    void   create(in nsIXPConnectWrappedNative wrapper,
-                  in JSContextPtr cx, in JSObjectPtr obj);
-
     boolean addProperty(in nsIXPConnectWrappedNative wrapper,
                        in JSContextPtr cx, in JSObjectPtr obj, in jsid id,
                        in JSValPtr vp);
diff --git a/js/xpconnect/public/xpc_map_end.h b/js/xpconnect/public/xpc_map_end.h
index 978490f06ea..7757371c636 100644
--- a/js/xpconnect/public/xpc_map_end.h
+++ b/js/xpconnect/public/xpc_map_end.h
@@ -34,9 +34,6 @@ XPC_MAP_CLASSNAME::GetScriptableFlags()
 #ifdef XPC_MAP_WANT_PRECREATE
     nsIXPCScriptable::WANT_PRECREATE |
 #endif
-#ifdef XPC_MAP_WANT_CREATE
-    nsIXPCScriptable::WANT_CREATE |
-#endif
 #ifdef XPC_MAP_WANT_ADDPROPERTY
     nsIXPCScriptable::WANT_ADDPROPERTY |
 #endif
@@ -87,11 +84,6 @@ NS_IMETHODIMP XPC_MAP_CLASSNAME::PreCreate(nsISupports *nativeObj, JSContext * c
     {NS_ERROR("never called"); return NS_ERROR_NOT_IMPLEMENTED;}
 #endif
 
-#ifndef XPC_MAP_WANT_CREATE
-NS_IMETHODIMP XPC_MAP_CLASSNAME::Create(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JSObject * obj)
-    {NS_ERROR("never called"); return NS_ERROR_NOT_IMPLEMENTED;}
-#endif
-
 #ifndef XPC_MAP_WANT_ADDPROPERTY
 NS_IMETHODIMP XPC_MAP_CLASSNAME::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JSObject * obj, jsid id, JS::Value * vp, bool *_retval)
     {NS_ERROR("never called"); return NS_ERROR_NOT_IMPLEMENTED;}
@@ -166,10 +158,6 @@ NS_IMETHODIMP XPC_MAP_CLASSNAME::PostCreatePrototype(JSContext *cx, JSObject *pr
 #undef XPC_MAP_WANT_PRECREATE
 #endif
 
-#ifdef XPC_MAP_WANT_CREATE
-#undef XPC_MAP_WANT_CREATE
-#endif
-
 #ifdef XPC_MAP_WANT_ADDPROPERTY
 #undef XPC_MAP_WANT_ADDPROPERTY
 #endif
diff --git a/js/xpconnect/src/XPCWrappedNative.cpp b/js/xpconnect/src/XPCWrappedNative.cpp
index 5dc4c090a50..46b2082debb 100644
--- a/js/xpconnect/src/XPCWrappedNative.cpp
+++ b/js/xpconnect/src/XPCWrappedNative.cpp
@@ -802,12 +802,6 @@ XPCWrappedNative::FinishInit()
     MOZ_ASSERT(1 == mRefCnt, "unexpected refcount value");
     NS_ADDREF(this);
 
-    if (mScriptableInfo && mScriptableInfo->GetFlags().WantCreate() &&
-        NS_FAILED(mScriptableInfo->GetCallback()->Create(this, cx,
-                                                         mFlatJSObject))) {
-        return false;
-    }
-
     // A hack for bug 517665, increase the probability for GC.
     JS_updateMallocCounter(cx, 2 * sizeof(XPCWrappedNative));
 
diff --git a/js/xpconnect/src/xpcprivate.h b/js/xpconnect/src/xpcprivate.h
index 76cfc4b568c..52d0cf62002 100644
--- a/js/xpconnect/src/xpcprivate.h
+++ b/js/xpconnect/src/xpcprivate.h
@@ -1611,7 +1611,6 @@ public:
 #define GET_IT(f_) const {return 0 != (mFlags & nsIXPCScriptable:: f_ );}
 
     bool WantPreCreate()                GET_IT(WANT_PRECREATE)
-    bool WantCreate()                   GET_IT(WANT_CREATE)
     bool WantAddProperty()              GET_IT(WANT_ADDPROPERTY)
     bool WantDelProperty()              GET_IT(WANT_DELPROPERTY)
     bool WantGetProperty()              GET_IT(WANT_GETPROPERTY)