diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index d030fe188..f77c46d67 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,9 @@
+2012-11-23  Christopher Faylor  <me.cygwin2012@cgf.cx>
+
+	* configure.in: Remove unneeded ALLOC substitution.
+	* configure: Regenerate.
+	* aclocal.m4: Ditto.
+
 2012-11-23  Christopher Faylor  <me.cygwin2012@cgf.cx>
 
 	* configure.in: Add previously-missed AC_NO_EXECUTABLES.
diff --git a/winsup/cygwin/configure b/winsup/cygwin/configure
index 5a1f22afa..ac3766cb5 100755
--- a/winsup/cygwin/configure
+++ b/winsup/cygwin/configure
@@ -586,7 +586,6 @@ ac_no_link=no
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 CONFIG_DIR
-ALLOCA
 DEF_DLL_ENTRY
 DLL_ENTRY
 LIBSERVER
@@ -4435,7 +4434,6 @@ MALLOC_OFILES=malloc.o
 case "$target_cpu" in
    i?86) DLL_ENTRY="_dll_entry@12"
 		DEF_DLL_ENTRY="dll_entry@12"
-		ALLOCA="_alloca"
 		CONFIG_DIR="i386"  ;;
    *)		as_fn_error $? "Invalid target processor \"$target_cpu\"" "$LINENO" 5 ;;
 esac
@@ -4456,7 +4454,6 @@ configure_args=$(/usr/bin/expr "$configure_args" : 'X \(.*\)')
 
 
 
-
 ac_config_files="$ac_config_files Makefile"
 
 cat >confcache <<\_ACEOF
diff --git a/winsup/cygwin/configure.in b/winsup/cygwin/configure.in
index 840e10a23..0796e6391 100644
--- a/winsup/cygwin/configure.in
+++ b/winsup/cygwin/configure.in
@@ -75,7 +75,6 @@ dnl fi
 case "$target_cpu" in
    i?86) DLL_ENTRY="_dll_entry@12"
 		DEF_DLL_ENTRY="dll_entry@12"
-		ALLOCA="_alloca"
 		CONFIG_DIR="i386"  ;;
    *)		AC_MSG_ERROR(Invalid target processor \"$target_cpu\") ;;
 esac
@@ -85,6 +84,5 @@ AC_SUBST(MALLOC_OFILES)
 AC_SUBST(LIBSERVER)
 AC_SUBST(DLL_ENTRY)
 AC_SUBST(DEF_DLL_ENTRY)
-AC_SUBST(ALLOCA)
 AC_SUBST(CONFIG_DIR)
 AC_OUTPUT(Makefile)