diff --git a/mozilla/mailnews/base/build/nsMsgFactory.cpp b/mozilla/mailnews/base/build/nsMsgFactory.cpp
index 7190da7331d..532999c8411 100644
--- a/mozilla/mailnews/base/build/nsMsgFactory.cpp
+++ b/mozilla/mailnews/base/build/nsMsgFactory.cpp
@@ -52,7 +52,6 @@
 
 #include "nsMessengerBootstrap.h"
 #include "nsMessenger.h"
-#include "nsMsgGroupRecord.h"
 
 #include "nsIRegistry.h"
 #include "nsIContentViewer.h"
diff --git a/mozilla/mailnews/base/public/Makefile.in b/mozilla/mailnews/base/public/Makefile.in
index 26e537c0c8e..14356a36e32 100644
--- a/mozilla/mailnews/base/public/Makefile.in
+++ b/mozilla/mailnews/base/public/Makefile.in
@@ -63,7 +63,6 @@ XPIDLSRCS	= \
 		nsIMsgFolderCache.idl \
 		nsIMsgFolderCacheElement.idl \
 		nsIMsgFolderCompactor.idl \
-		nsIMsgGroupRecord.idl \
 		nsIMsgHost.idl \
 		nsIMsgIdentity.idl \
 		nsIMsgIncomingServer.idl \
diff --git a/mozilla/mailnews/base/util/Makefile.in b/mozilla/mailnews/base/util/Makefile.in
index 09185d1e009..151aa83679a 100644
--- a/mozilla/mailnews/base/util/Makefile.in
+++ b/mozilla/mailnews/base/util/Makefile.in
@@ -93,7 +93,6 @@ REQUIRES	= xpcom \
 		  $(NULL)
 
 CPPSRCS		= \
-		nsMsgGroupRecord.cpp \
 		nsMsgLineBuffer.cpp \
 		nsMsgDBFolder.cpp \
 		nsUint8Array.cpp \
@@ -113,7 +112,6 @@ CPPSRCS		= \
 		$(NULL)
 
 EXPORTS		= \
-		nsMsgGroupRecord.h \
 		nsMsgLineBuffer.h \
 		nsUint8Array.h \
 		nsUInt32Array.h \
diff --git a/mozilla/mailnews/build/nsMailModule.cpp b/mozilla/mailnews/build/nsMailModule.cpp
index 86aba28e619..71076535d76 100644
--- a/mozilla/mailnews/build/nsMailModule.cpp
+++ b/mozilla/mailnews/build/nsMailModule.cpp
@@ -61,7 +61,6 @@
 #include "rdf.h"
 #include "nsMessengerBootstrap.h"
 #include "nsMessenger.h"
-#include "nsMsgGroupRecord.h"
 #include "nsIContentViewer.h"
 #include "nsIUrlListenerManager.h"
 #include "nsUrlListenerManager.h"