diff --git a/modules/plugin/base/public/MANIFEST b/modules/plugin/base/public/MANIFEST
index 6088c3869c81..883537a1c93d 100644
--- a/modules/plugin/base/public/MANIFEST
+++ b/modules/plugin/base/public/MANIFEST
@@ -25,6 +25,7 @@ nsIJRILiveConnectPlugin.h
 nsIJRILiveConnectPlugInstPeer.h
 nsILiveConnectPlugin.h
 nsILiveConnectPlugInstPeer.h
+nsIMalloc.h
 nsIPlugin.h
 nsIPluginInstance.h
 nsIPluginInstancePeer.h
diff --git a/modules/plugin/public/MANIFEST b/modules/plugin/public/MANIFEST
index 6088c3869c81..883537a1c93d 100644
--- a/modules/plugin/public/MANIFEST
+++ b/modules/plugin/public/MANIFEST
@@ -25,6 +25,7 @@ nsIJRILiveConnectPlugin.h
 nsIJRILiveConnectPlugInstPeer.h
 nsILiveConnectPlugin.h
 nsILiveConnectPlugInstPeer.h
+nsIMalloc.h
 nsIPlugin.h
 nsIPluginInstance.h
 nsIPluginInstancePeer.h
diff --git a/modules/plugin/src/MANIFEST b/modules/plugin/src/MANIFEST
index 8a49ccc9f9d9..2ab13a3023a1 100644
--- a/modules/plugin/src/MANIFEST
+++ b/modules/plugin/src/MANIFEST
@@ -22,3 +22,4 @@
 nppg.h
 npglue.h
 nppriv.h
+nsMalloc.h
diff --git a/xpcom/src/MANIFEST b/xpcom/src/MANIFEST
index ceee273e8956..3ec6005f9cc0 100644
--- a/xpcom/src/MANIFEST
+++ b/xpcom/src/MANIFEST
@@ -15,8 +15,6 @@ nsIServiceManager.h
 nsISupportsArray.h
 nsRepository.h
 nsIEnumerator.h
-nsIMalloc.h
-nsMalloc.h
 nsVector.h
 nsMacRepository.h
 nsTraceRefcnt.h