 diff --git a/BUILD.gn b/BUILD.gn
-index 76914cd7..d86112fc 100644
+index 76914cd7..a79fefd8 100644
 --- a/BUILD.gn
 +++ b/BUILD.gn
 @@ -3,6 +3,7 @@

   # find  source/i18n -maxdepth 1  ! -type d  | egrep  '\.(c|cpp|h)$' |\
   # sort | sed 's/^\(.*\)$/    "\1",/'
   sources = [
@@ -533,7 +534,11 @@ component("icui18n") {
   ]
 
   defines = [ "U_I18N_IMPLEMENTATION" ]

+    defines += [ "U_COMBINED_IMPLEMENTATION" ]
+  }
   deps = [
     ":icuuc",
   ]
@@ -551,7 +555,7 @@ component("icui18n") {
   public_configs = [ ":icu_config" ]
 }
 
