diff --git a/xpcom/build/Makefile.in b/xpcom/build/Makefile.in
index d7f00ba2ad87..dc3ee3d10cae 100644
--- a/xpcom/build/Makefile.in
+++ b/xpcom/build/Makefile.in
@@ -79,7 +79,6 @@ SHARED_LIBRARY_LIBS = \
 		../io/$(LIB_PREFIX)xpcomio_s.$(LIB_SUFFIX) \
 		../components/$(LIB_PREFIX)xpcomcomponents_s.$(LIB_SUFFIX) \
 		../threads/$(LIB_PREFIX)xpcomthreads_s.$(LIB_SUFFIX) \
-		../proxy/src/$(LIB_PREFIX)xpcomproxy_s.$(LIB_SUFFIX) \
 		../base/$(LIB_PREFIX)xpcombase_s.$(LIB_SUFFIX) \
 		../reflect/xptcall/src/$(LIB_PREFIX)xptcall.$(LIB_SUFFIX) \
 		../reflect/xptcall/src/$(LIB_PREFIX)xptcmd.$(LIB_SUFFIX) \
diff --git a/xpcom/build/nsXPCOMCIDInternal.h b/xpcom/build/nsXPCOMCIDInternal.h
index bc2185fdfead..be5d17ff3ba0 100644
--- a/xpcom/build/nsXPCOMCIDInternal.h
+++ b/xpcom/build/nsXPCOMCIDInternal.h
@@ -71,12 +71,6 @@
  */
 #define NS_THREADPOOL_CONTRACTID "@mozilla.org/thread-pool;1"
 
-/**
- * The global proxy object manager.  This component is a singleton.
- * @implement nsIProxyObjectManager
- */
-#define NS_XPCOMPROXY_CONTRACTID "@mozilla.org/xpcomproxy;1"
-
 /**
  * The contract id for the nsIXULAppInfo service.
  */