diff --git a/mozilla/ipc/ipcd/test/TestIPC.cpp b/mozilla/ipc/ipcd/test/TestIPC.cpp
index ab03e05ce50..e64587891a7 100644
--- a/mozilla/ipc/ipcd/test/TestIPC.cpp
+++ b/mozilla/ipc/ipcd/test/TestIPC.cpp
@@ -37,7 +37,6 @@
 
 #include "ipcIService.h"
 #include "ipcIMessageObserver.h"
-#include "ipcIClientQueryHandler.h"
 #include "ipcILockService.h"
 #include "ipcILockNotify.h"
 #include "ipcCID.h"