--- a/js/xpconnect/loader/mozJSComponentLoader.h
+++ b/js/xpconnect/loader/mozJSComponentLoader.h
@@ -18,18 +18,16 @@
 #include "nsClassHashtable.h"
 #include "nsDataHashtable.h"
 #include "jsapi.h"
 
 #include "xpcIJSGetFactory.h"
 #include "xpcpublic.h"
 
 class nsIFile;
-class nsIPrincipal;
-class nsIXPConnectJSObjectHolder;
 class ComponentLoaderInfo;
 
 namespace mozilla {
     class ScriptPreloader;
 } // namespace mozilla
 
 
 /* 6bd13476-1dd2-11b2-bbef-f0ccb5fa64b6 (thanks, mozbot) */

--- a/storage/mozStorageStatement.h
+++ b/storage/mozStorageStatement.h
@@ -14,17 +14,16 @@
 
 #include "mozStorageBindingParamsArray.h"
 #include "mozStorageStatementData.h"
 #include "mozIStorageStatement.h"
 #include "mozIStorageValueArray.h"
 #include "StorageBaseStatementInternal.h"
 #include "mozilla/Attributes.h"
 
-class nsIXPConnectJSObjectHolder;
 struct sqlite3_stmt;
 
 namespace mozilla {
 namespace storage {
 class StatementJSHelper;
 class Connection;
 class StatementParamsHolder;
 class StatementRowHolder;