diff --git a/compiler/grammar.yml b/compiler/grammar.yml
deleted file mode 100644
index a458524..0000000
--- a/compiler/grammar.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-keyword:
-  - 'class'
-  - 'method'
-  - 'function'
-  - 'constructor'
-  - 'int'
-  - 'boolean'
-  - 'char'
-  - 'void'
-  - 'var'
-  - 'static'
-  - 'field'
-  - 'let'
-  - 'do'
-  - 'if'
-  - 'else'
-  - 'while'
-  - 'return'
-  - 'true'
-  - 'false'
-  - 'null'
-  - 'this'
-symbol:
-  - '{'
-  - '}'
-  - '('
-  - ')'
-  - '['
-  - ']'
-  - '.'
-  - ';'
-  - '+'
-  - '-'
-  - '*'
-  - '/'
-  - '&'
-  - '|'
-  - '<'
-  - '>'
-  - '='
-  - '~'
-  - ','
-# Predefined
-integerConstant: null
-StringConstant: null
-identifier: null
-className:
-class:
-  - class
-  - *className