diff --git a/C#/Build.sublime-syntax b/C#/Build.sublime-syntax
deleted file mode 100644
index 9d44abb57b..0000000000
--- a/C#/Build.sublime-syntax
+++ /dev/null
@@ -1,55 +0,0 @@
-%YAML 1.2
----
-# http://www.sublimetext.com/docs/syntax.html
-name: NAnt Build File
-scope: source.nant-build
-
-contexts:
-  main:
-    - match: <!--
-      captures:
-        0: punctuation.definition.comment.nant
-      push:
-        - meta_scope: comment.block.nant
-        - match: "-->"
-          captures:
-            0: punctuation.definition.comment.nant
-          pop: true
-    - match: "(</?)([-_a-zA-Z0-9:]+)"
-      captures:
-        1: punctuation.definition.tag.nant
-        2: entity.name.tag.nant
-      push:
-        - meta_scope: meta.tag.nant
-        - match: (/?>)
-          captures:
-            1: punctuation.definition.tag.nant
-            2: entity.name.tag.nant
-          pop: true
-        - match: " ([a-zA-Z-]+)"
-          scope: entity.other.attribute-name.nant
-        - match: '"'
-          captures:
-            0: punctuation.definition.string.begin.nant
-          push:
-            - meta_scope: string.quoted.double.nant
-            - match: '"'
-              captures:
-                0: punctuation.definition.string.end.nant
-              pop: true
-        - match: "'"
-          captures:
-            0: punctuation.definition.string.begin.nant
-          push:
-            - meta_scope: string.quoted.single.nant
-            - match: "'"
-              captures:
-                0: punctuation.definition.string.end.nant
-              pop: true
-    - match: "(&)([a-zA-Z]+|#[0-9]+|#x[0-9a-fA-F]+)(;)"
-      scope: constant.character.entity.nant
-      captures:
-        1: punctuation.definition.constant.nant
-        3: punctuation.definition.constant.nant
-    - match: "&"
-      scope: invalid.illegal.bad-ampersand.nant