diff --git a/old-configure.in b/old-configure.in
index 920e151f77db..9c836e7c5bb4 100644
--- a/old-configure.in
+++ b/old-configure.in
@@ -1490,7 +1490,6 @@ MOZ_UNIVERSALCHARDET=1
 MOZ_XUL=1
 MOZ_ZIPWRITER=1
 MOZ_NO_SMART_CARDS=
-MOZ_EXCLUDE_HYPHENATION_DICTIONARIES=
 MOZ_SANDBOX=1
 MOZ_BINARY_EXTENSIONS=
 MOZ_DEVTOOLS=server
@@ -1702,13 +1701,6 @@ then
 fi
 AC_SUBST(MOZ_ENABLE_DBUS)
 
-dnl =========================================================
-dnl = Whether to exclude hyphenations files in the build
-dnl =========================================================
-if test -n "$MOZ_EXCLUDE_HYPHENATION_DICTIONARIES"; then
-    AC_DEFINE(MOZ_EXCLUDE_HYPHENATION_DICTIONARIES)
-fi
-
 AC_TRY_COMPILE([#include <linux/ethtool.h>],
                [ struct ethtool_cmd cmd; cmd.speed_hi = 0; ],
                MOZ_WEBRTC_HAVE_ETHTOOL_SPEED_HI=1)
@@ -2501,7 +2493,6 @@ AC_SUBST(MOZ_UPDATER)
 
 AC_SUBST(MOZ_ANDROID_APPLICATION_CLASS)
 AC_SUBST(MOZ_ANDROID_BROWSER_INTENT_CLASS)
-AC_SUBST(MOZ_EXCLUDE_HYPHENATION_DICTIONARIES)
 AC_SUBST(INCREMENTAL_LINKER)
 
 AC_SUBST_LIST(MOZ_FIX_LINK_PATHS)