diff --git a/grammar.txt b/grammar.txt
index 6231b72..783e62a 100644
--- a/grammar.txt
+++ b/grammar.txt
@@ -5,9 +5,6 @@ expression ->
 	| binary
 	| let
 	| control
-	| selector
-	| index
-	| identifier
 	| primary
 
 grouping -> "(" expression ")" ;