diff --git a/src/css-parsing-tests/README.rst b/src/css-parsing-tests/README.rst
index a556451c..8e358c61 100644
--- a/src/css-parsing-tests/README.rst
+++ b/src/css-parsing-tests/README.rst
@@ -250,9 +250,6 @@ Component values
 <substring-match>
     The string ``"*="``.
 
-<column>
-    The string ``"||"``.
-
 <whitespace>
     The string ``" "`` (a single space.)
 
diff --git a/src/css-parsing-tests/component_value_list.json b/src/css-parsing-tests/component_value_list.json
index aa5354ef..58ac9c5b 100644
--- a/src/css-parsing-tests/component_value_list.json
+++ b/src/css-parsing-tests/component_value_list.json
@@ -332,7 +332,7 @@
 ],
 
 "~=|=^=$=*=||<!------> |/**/| ~/**/=", [
-	"~=", "|=", "^=", "$=", "*=", "||", "<!--", ["ident", "----"], ">",
+	"~=", "|=", "^=", "$=", "*=", "|", "|", "<!--", ["ident", "----"], ">",
 	" ", "|", "|", " ", "~", "="
 ],
 
diff --git a/src/serializer.rs b/src/serializer.rs
index 20c64e53..ecab8928 100644
--- a/src/serializer.rs
+++ b/src/serializer.rs
@@ -110,7 +110,6 @@ impl<'a> ToCss for Token<'a> {
             Token::PrefixMatch => dest.write_str("^=")?,
             Token::SuffixMatch => dest.write_str("$=")?,
             Token::SubstringMatch => dest.write_str("*=")?,
-            Token::Column => dest.write_str("||")?,
             Token::CDO => dest.write_str("<!--")?,
             Token::CDC => dest.write_str("-->")?,
 
@@ -455,7 +454,6 @@ impl<'a> Token<'a> {
             Token::Comment(_) => DelimSlash,
             Token::DashMatch => DashMatch,
             Token::SubstringMatch => SubstringMatch,
-            Token::Column => DelimBar,
             Token::CDC => CDC,
             Token::Function(_) => Function,
             Token::ParenthesisBlock => OpenParen,
diff --git a/src/tests.rs b/src/tests.rs
index 11a0410b..f4f4bd40 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -881,7 +881,6 @@ fn one_component_value_to_json(token: Token, input: &mut Parser) -> Json {
         Token::PrefixMatch => "^=".to_json(),
         Token::SuffixMatch => "$=".to_json(),
         Token::SubstringMatch => "*=".to_json(),
-        Token::Column => "||".to_json(),
         Token::CDO => "<!--".to_json(),
         Token::CDC => "-->".to_json(),
 
diff --git a/src/tokenizer.rs b/src/tokenizer.rs
index 507d0e72..e5fb9b0a 100644
--- a/src/tokenizer.rs
+++ b/src/tokenizer.rs
@@ -132,9 +132,6 @@ pub enum Token<'a> {
     /// A `*=` [`<substring-match-token>`](https://drafts.csswg.org/css-syntax/#substring-match-token-diagram)
     SubstringMatch,
 
-    /// A `||` [`<column-token>`](https://drafts.csswg.org/css-syntax/#column-token-diagram)
-    Column,
-
     /// A `<!--` [`<CDO-token>`](https://drafts.csswg.org/css-syntax/#CDO-token-diagram)
     CDO,
 
@@ -653,7 +650,6 @@ fn next_token<'a>(tokenizer: &mut Tokenizer<'a>) -> Result<Token<'a>, ()> {
         b'{' => { tokenizer.advance(1); CurlyBracketBlock },
         b'|' => {
             if tokenizer.starts_with(b"|=") { tokenizer.advance(2); DashMatch }
-            else if tokenizer.starts_with(b"||") { tokenizer.advance(2); Column }
             else { tokenizer.advance(1); Delim('|') }
         },
         b'}' => { tokenizer.advance(1); CloseCurlyBracket },