diff --git a/lib/linguist/language.rb b/lib/linguist/language.rb
index 7fbf8a96..35c58c30 100644
--- a/lib/linguist/language.rb
+++ b/lib/linguist/language.rb
@@ -32,13 +32,6 @@ module Linguist
     # Valid Languages types
     TYPES = [:data, :markup, :programming, :prose]
 
-    # Names of non-programming languages that we will still detect
-    #
-    # Returns an array
-    def self.detectable_markup
-      ["CSS", "Less", "Sass", "SCSS", "Stylus", "TeX"]
-    end
-
     # Detect languages by a specific type
     #
     # type - A symbol that exists within TYPES
diff --git a/lib/linguist/repository.rb b/lib/linguist/repository.rb
index 41e829c5..3c197fad 100644
--- a/lib/linguist/repository.rb
+++ b/lib/linguist/repository.rb
@@ -8,6 +8,8 @@ module Linguist
   # Its primary purpose is for gathering language statistics across
   # the entire project.
   class Repository
+    DETECTABLE_TYPES = [:programming, :markup].freeze
+
     attr_reader :repository
 
     # Public: Create a new Repository based on the stats of
@@ -159,8 +161,7 @@ module Linguist
           # Skip vendored or generated blobs
           next if blob.vendored? || blob.generated? || blob.language.nil?
 
-          # Only include programming languages and acceptable markup languages
-          if blob.language.type == :programming || Language.detectable_markup.include?(blob.language.name)
+          if DETECTABLE_TYPES.include?(blob.language.type)
             file_map[new] = [blob.language.group.name, blob.size]
           end
         end