--- a/build/moz.configure/lto-pgo.configure
+++ b/build/moz.configure/lto-pgo.configure
@@ -135,9 +135,6 @@
     if not want_cross:
         return
 
-    if c_compiler.type == 'gcc':
-        die('Cannot use cross-language PGO with GCC.')
-
     return True
 
 set_config('MOZ_PGO_RUST', moz_pgo_rust)