--- a/config/autoconf.mk.in
+++ b/config/autoconf.mk.in
@@ -524,17 +524,16 @@ MOZ_PSM=@MOZ_PSM@
 # Gssapi (krb5) libraries and headers for the Negotiate auth method
 GSSAPI_INCLUDES = @GSSAPI_INCLUDES@
 USE_GSSAPI	= @USE_GSSAPI@
 
 MAIL_PKG_SHARED = @MAIL_PKG_SHARED@
 
 MOZILLA_OFFICIAL = @MOZILLA_OFFICIAL@
 BUILD_OFFICIAL = @BUILD_OFFICIAL@
-MOZ_MILESTONE_RELEASE = @MOZ_MILESTONE_RELEASE@
 
 # Win32 options
 MOZ_BROWSE_INFO	= @MOZ_BROWSE_INFO@
 MOZ_TOOLS_DIR	= @MOZ_TOOLS_DIR@
 MOZ_DEBUG_SYMBOLS = @MOZ_DEBUG_SYMBOLS@
 MOZ_QUANTIFY	= @MOZ_QUANTIFY@
 MSMANIFEST_TOOL = @MSMANIFEST_TOOL@
 WIN32_REDIST_DIR = @WIN32_REDIST_DIR@

--- a/configure.in
+++ b/configure.in
@@ -7125,17 +7125,16 @@ AC_SUBST(SUNBIRD_VERSION)
 AC_SUBST(SEAMONKEY_VERSION)
 
 AC_SUBST(MOZ_PKG_SPECIAL)
 
 AC_SUBST(MAIL_PKG_SHARED)
 
 AC_SUBST(MOZILLA_OFFICIAL)
 AC_SUBST(BUILD_OFFICIAL)
-AC_SUBST(MOZ_MILESTONE_RELEASE)
 
 dnl win32 options
 AC_SUBST(MOZ_DEBUG_SYMBOLS)
 AC_SUBST(MOZ_MAPINFO)
 AC_SUBST(MOZ_BROWSE_INFO)
 AC_SUBST(MOZ_TOOLS_DIR)
 AC_SUBST(CYGWIN_WRAPPER)
 AC_SUBST(AS_PERL)