diff --git a/modules/generative_grammar/grammar.h b/modules/generative_grammar/grammar.h
index 1be4783ace..439c159023 100644
--- a/modules/generative_grammar/grammar.h
+++ b/modules/generative_grammar/grammar.h
@@ -7,7 +7,6 @@ typedef char32_t Symbol;
 
 namespace NonTerminals {
 enum : Symbol {
-	Blocked = U'B',
 	Invalid = U'!',
 };
 };