diff --git a/spec/css_lexer_spec.rb b/spec/css_lexer_spec.rb
deleted file mode 100644
index 198ba21ee373f96487e3489f23f493f7400c1b12..0000000000000000000000000000000000000000
--- a/spec/css_lexer_spec.rb
+++ /dev/null
@@ -1,121 +0,0 @@
-require "jsduck/css/lexer"
-
-describe JsDuck::Css::Lexer do
-
-  def lex(source)
-    lex = JsDuck::Css::Lexer.new(source)
-    tokens = []
-    while !lex.empty?
-      t = lex.next(true)
-      tokens << [t[:type], t[:value]]
-      if t[:linenr]
-        tokens.last << t[:linenr]
-      end
-    end
-    tokens
-  end
-
-  it "tokenizes simple selector" do
-    lex("a { font-size: 3em; }").should == [
-      [:ident, "a"],
-      [:delim, "{"],
-      [:ident, "font-size"],
-      [:delim, ":"],
-      [:dimension, "3em"],
-      [:delim, ";"],
-      [:delim, "}"],
-    ]
-  end
-
-  it "tokenizes simple at-rule" do
-    lex("@foo;").should == [[:at_keyword, "@foo"], [:delim, ";"]]
-  end
-
-  it "tokenizes color value" do
-    lex("color: #cc00FF;").should == [[:ident, "color"], [:delim, ":"], [:hash, "#cc00FF"], [:delim, ";"]]
-  end
-
-  it "tokenizes various numbers" do
-    lex("10 5.6 .14").should == [[:number, "10"], [:number, "5.6"], [:number, ".14"]]
-  end
-
-  it "identifies SCSS variable" do
-    lex("$foo-bar").should == [[:var, "$foo-bar"]]
-  end
-
-  describe "identifies strings" do
-
-    before do
-      @d = '"' # double-quote
-      @s = "'" # single-quote
-      @b = "\\" # backslash
-    end
-
-    it "when single-quote inside double-quoted string" do
-      lex(@d+@s+@d   + ' "blah"').should == [[:string, @d+@s+@d], [:string, '"blah"']]
-    end
-
-    it "when double-quote inside single-quoted string" do
-      lex(@s+@d+@s   + ' "blah"').should == [[:string, @s+@d+@s], [:string, '"blah"']]
-    end
-
-    it "when escaped double-quote inside double-quoted string" do
-      lex(@d+@b+@d+@d   + ' "blah"').should == [[:string, @d+@b+@d+@d], [:string, '"blah"']]
-    end
-
-    it "when escaped single-quote inside single-quoted string" do
-      lex(@s+@b+@s+@s   + ' "blah"').should == [[:string, @s+@b+@s+@s], [:string, '"blah"']]
-    end
-  end
-
-  it "ignores one-line comments" do
-    lex("a // foo\n b").should == [[:ident, "a"], [:ident, "b"]]
-  end
-
-  it "ignores multi-line comments" do
-    lex("a /* foo */ b").should == [[:ident, "a"], [:ident, "b"]]
-  end
-
-  it "ignores empty multi-line comments" do
-    lex("a /**/ b").should == [[:ident, "a"], [:ident, "b"]]
-  end
-
-  it "identifies doc-comments together with line numbers" do
-    lex("/** foo */").should == [[:doc_comment, " foo ", 1]]
-  end
-
-  it "counts line numbers correctly" do
-    tokens = lex(<<-EOS)
-      foo = {
-        bar: foo,
-        /**
-         * My comment.
-         */
-    EOS
-    tokens.last.last.should == 3
-  end
-
-  describe "handles unfinished" do
-
-    it "single-line comment" do
-      lex("// ").should == []
-    end
-
-    it "multi-line comment" do
-      lex("/* ").should == []
-    end
-
-    it "doc-comment" do
-      lex("/** ").should == [[:doc_comment, " ", 1]]
-    end
-
-    it "single-quoted string" do
-      lex("' ").should == [[:string, "' "]]
-    end
-
-    it "double-quoted string" do
-      lex('" ').should == [[:string, '" ']]
-    end
-  end
-
-end