diff --git a/src/Perl6/Grammar.nqp b/src/Perl6/Grammar.nqp
index 9798db9f299..9d22e6d8607 100644
--- a/src/Perl6/Grammar.nqp
+++ b/src/Perl6/Grammar.nqp
@@ -3579,7 +3579,7 @@ grammar Perl6::Grammar is HLL::Grammar does STD {
         | <complex_number>
         | 'Inf' >>
         | $<uinf>='∞'
-        | <?{ nqp::existskey(nqp::backendconfig(), 'moarlib') }> <unum=:No+:Nl>
+        | <unum=:No+:Nl>
         ]
     }