--- a/config/autoconf.mk.in
+++ b/config/autoconf.mk.in
@@ -548,17 +548,16 @@ MOZ_PSM=@MOZ_PSM@
 GSSAPI_INCLUDES = @GSSAPI_INCLUDES@
 USE_GSSAPI	= @USE_GSSAPI@
 
 MOZILLA_OFFICIAL = @MOZILLA_OFFICIAL@
 BUILD_OFFICIAL = @BUILD_OFFICIAL@
 MOZ_MILESTONE_RELEASE = @MOZ_MILESTONE_RELEASE@
 
 # Win32 options
-MOZ_PROFILE	= @MOZ_PROFILE@
 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@
 WIN32_CRT_SRC_DIR = @WIN32_CRT_SRC_DIR@
 WIN32_CUSTOM_CRT_DIR = @WIN32_CUSTOM_CRT_DIR@

--- a/config/config.mk
+++ b/config/config.mk
@@ -236,17 +236,17 @@ endif
 
 
 # append debug flags 
 # (these might have been above when processing MOZ_DBGRINFO_MODULES)
 OS_CFLAGS += $(_DEBUG_CFLAGS)
 OS_CXXFLAGS += $(_DEBUG_CFLAGS)
 OS_LDFLAGS += $(_DEBUG_LDFLAGS)
 
-# MOZ_PROFILE equivs for win32
+# XXX: What does this? Bug 482434 filed for better explanation.
 ifeq ($(OS_ARCH)_$(GNU_CC),WINNT_)
 ifdef MOZ_DEBUG
 ifneq (,$(MOZ_BROWSE_INFO)$(MOZ_BSCFILE))
 OS_CFLAGS += -FR
 OS_CXXFLAGS += -FR
 endif
 else # ! MOZ_DEBUG
 

--- a/configure.in
+++ b/configure.in
@@ -7181,17 +7181,16 @@ AC_SUBST(SEAMONKEY_VERSION)
 
 AC_SUBST(MOZ_PKG_SPECIAL)
 
 AC_SUBST(MOZILLA_OFFICIAL)
 AC_SUBST(BUILD_OFFICIAL)
 AC_SUBST(MOZ_MILESTONE_RELEASE)
 
 dnl win32 options
-AC_SUBST(MOZ_PROFILE)
 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)
 AC_SUBST(WIN32_REDIST_DIR)
 AC_SUBST(PYTHON)