diff --git a/grammars/dasm.cson b/grammars/dasm.cson
deleted file mode 100644
index 41e68b9..0000000
--- a/grammars/dasm.cson
+++ /dev/null
@@ -1,116 +0,0 @@
-# Syntax Highlighting for 6502 programming with DASM
-# Improvements: absolut addresses/numbers, equ, seg, ds, word
-# Not working: labels
-
-scopeName: 'source.assembly.6502.dasm-6502'   # Prevents conflicts with other architectures supported by dasm
-name: '6502 Assembly (DASM)'    # Name shown in Atom Editor grammar selection'fileTypes': []
-foldingStartMarker: '/\\*\\*|\\{\\s*$'
-foldingStopMarker: '\\*\\*/|^\\s*\\}'
-# File extensions associated with this grammar
-fileTypes: []
-# include all opcodes and directives the toolchain supports
-patterns: [
-  { include:  'source.6502-opcodes' }   # include basic 6502 instruction set
-  { include:  '#comments' }
-  { include:  '#directives' }
-  { include:  '#symbols' }
-]
-
-
-# Repository starts here ------------------------------------------------------
-repository:
-
-  # comments
-  comments:
-    patterns: [
-      # semicolon comments
-      {
-        # captures:
-        #   1:
-        #     name: 'punctuation.definition.comment'
-          match: '(;).*$\\n?'
-          name: 'comment.line.semicolon.dasm-6502'
-      }
-    ]
-
-  # symbols
-  symbols:
-    patterns: [
-      # strings
-      {
-        begin: '"'
-        end: '"'
-        name: 'string.quoted.double.untitled.dasm-6502'
-        patterns: [
-          {
-            match: '\\\\.'
-            name: 'constant.character.escape.untitled.dasm-6502'
-          }
-        ]
-      }
-      # labels
-      {
-        match: '^[A-Za-z_][A-Za-z0-9_]*'
-        name: 'entity.name.label.dasm-6502'
-      }
-      # local labels
-      {
-        match: '^\\.[A-Za-z_][A-Za-z0-9_]*'
-        name: 'entity.name.label.local.dasm-6502'
-      }
-      # absolut address/number
-      {
-        match: '\\#(\'.\'|[^\\s\']+)'
-        name: 'constant.numeric.hex.cc65-directives'
-      }
-      # binary numbers
-      {
-        match:  '%[01]+'
-        name:   'constant.numeric.binary.dasm-6502'
-      }
-      # decimal numbers
-      {
-        match:  '\\b([0-9]+)\\b'
-        name:   'constant.numeric.decimal.dasm-6502'
-      }
-      # hex numbers
-      {
-        match: '\\$[0-9a-fA-F]+'
-        name: 'constant.numeric.hex.dasm-6502'
-      }
-      # macro parameters
-      {
-        match: '{[0-9]+}'
-        name: 'variable.parameter.macro.dasm-6502'
-      }
-    ]
-  #
-  # assembler directives
-  directives:
-    patterns: [
-      # data directives
-      {
-        match: '\\b(?i:SET|WORD|.?BYTE|HEX|DS|.?WORD)\\b'
-        name: 'storage.type.dasm-6502'
-      }
-      # linker directives
-      {
-        match: '\\b(?i:ALIGN)\\b'
-        name: 'storage.modifier.dasm-6502'
-      }
-      # subroutines and macros
-      {
-        match: '\\b(?i:REPEAT|REPEND|MAC|ENDM|SUBROUTINE|INCLUDE)\\b'
-        name: 'support.function.dasm-6502'
-      }
-      # processor and org
-      {
-        match: '\\b(?i:processor|org)\\b'
-        name: 'constant.language.dasm-6502'
-      }
-      # pseudo opcodes
-      {
-        match:  '\\b(?i:equ|seg(\\.u)?)\\b'
-        name:   'support.function.pseudo.dasm-6502'
-      }
-    ]