diff --git a/src/Perl6/Grammar.nqp b/src/Perl6/Grammar.nqp
index d76e3cc97e2..28aa7a6b7ed 100644
--- a/src/Perl6/Grammar.nqp
+++ b/src/Perl6/Grammar.nqp
@@ -4250,9 +4250,8 @@ grammar Perl6::Grammar is HLL::Grammar does STD {
     token prefix:sym<->   { <sym> <O(|%symbolic_unary)> }
     token prefix:sym<−>   { <sym> <O(|%symbolic_unary)> }
     token prefix:sym<??>  { <sym> <.dupprefix('??')> <O(|%symbolic_unary)> }
-    token prefix:sym<?>   { <sym> <!before '⁇' || '??'> <O(|%symbolic_unary)> }
-    token prefix:sym<⁇>  { <sym> <.dupprefix('⁇')> <O(|%symbolic_unary)> }
-    token prefix:sym<!>   { <sym> <!before '‼' || '!!'> <O(|%symbolic_unary)> }
+    token prefix:sym<?>   { <sym> <!before '??'> <O(|%symbolic_unary)> }
+    token prefix:sym<!>   { <sym> <!before '!!'> <O(|%symbolic_unary)> }
     token prefix:sym<|>   { <sym>  <O(|%symbolic_unary)> }
     token prefix:sym<+^>  { <sym>  <O(|%symbolic_unary)> }
     token prefix:sym<~^>  { <sym>  <O(|%symbolic_unary)> }