diff --git a/crates/biome_css_formatter/src/scss/any/expression.rs b/crates/biome_css_formatter/src/scss/any/expression.rs
index d4c20cd2e188..5dcec8550e51 100644
--- a/crates/biome_css_formatter/src/scss/any/expression.rs
+++ b/crates/biome_css_formatter/src/scss/any/expression.rs
@@ -9,10 +9,8 @@ impl FormatRule<AnyScssExpression> for FormatAnyScssExpression {
     fn fmt(&self, node: &AnyScssExpression, f: &mut CssFormatter) -> FormatResult<()> {
         match node {
             AnyScssExpression::AnyCssValue(node) => node.format().fmt(f),
-            AnyScssExpression::ScssArbitraryArgument(node) => node.format().fmt(f),
             AnyScssExpression::ScssBinaryExpression(node) => node.format().fmt(f),
             AnyScssExpression::ScssExpression(node) => node.format().fmt(f),
-            AnyScssExpression::ScssKeywordArgument(node) => node.format().fmt(f),
             AnyScssExpression::ScssListExpression(node) => node.format().fmt(f),
             AnyScssExpression::ScssMapExpression(node) => node.format().fmt(f),
             AnyScssExpression::ScssParenthesizedExpression(node) => node.format().fmt(f),
diff --git a/crates/biome_css_syntax/src/generated/nodes.rs b/crates/biome_css_syntax/src/generated/nodes.rs
index 4084d283398d..1932a3124704 100644
--- a/crates/biome_css_syntax/src/generated/nodes.rs
+++ b/crates/biome_css_syntax/src/generated/nodes.rs
@@ -13508,10 +13508,8 @@ impl AnyScssDeclarationName {
 #[derive(Clone, PartialEq, Eq, Hash, Serialize)]
 pub enum AnyScssExpression {
     AnyCssValue(AnyCssValue),
-    ScssArbitraryArgument(ScssArbitraryArgument),
     ScssBinaryExpression(ScssBinaryExpression),
     ScssExpression(ScssExpression),
-    ScssKeywordArgument(ScssKeywordArgument),
     ScssListExpression(ScssListExpression),
     ScssMapExpression(ScssMapExpression),
     ScssParenthesizedExpression(ScssParenthesizedExpression),
@@ -13524,12 +13522,6 @@ impl AnyScssExpression {
             _ => None,
         }
     }
-    pub fn as_scss_arbitrary_argument(&self) -> Option<&ScssArbitraryArgument> {
-        match &self {
-            Self::ScssArbitraryArgument(item) => Some(item),
-            _ => None,
-        }
-    }
     pub fn as_scss_binary_expression(&self) -> Option<&ScssBinaryExpression> {
         match &self {
             Self::ScssBinaryExpression(item) => Some(item),
@@ -13542,12 +13534,6 @@ impl AnyScssExpression {
             _ => None,
         }
     }
-    pub fn as_scss_keyword_argument(&self) -> Option<&ScssKeywordArgument> {
-        match &self {
-            Self::ScssKeywordArgument(item) => Some(item),
-            _ => None,
-        }
-    }
     pub fn as_scss_list_expression(&self) -> Option<&ScssListExpression> {
         match &self {
             Self::ScssListExpression(item) => Some(item),
@@ -35079,11 +35065,6 @@ impl From<AnyScssDeclarationName> for SyntaxElement {
         node.into()
     }
 }
-impl From<ScssArbitraryArgument> for AnyScssExpression {
-    fn from(node: ScssArbitraryArgument) -> Self {
-        Self::ScssArbitraryArgument(node)
-    }
-}
 impl From<ScssBinaryExpression> for AnyScssExpression {
     fn from(node: ScssBinaryExpression) -> Self {
         Self::ScssBinaryExpression(node)
@@ -35094,11 +35075,6 @@ impl From<ScssExpression> for AnyScssExpression {
         Self::ScssExpression(node)
     }
 }
-impl From<ScssKeywordArgument> for AnyScssExpression {
-    fn from(node: ScssKeywordArgument) -> Self {
-        Self::ScssKeywordArgument(node)
-    }
-}
 impl From<ScssListExpression> for AnyScssExpression {
     fn from(node: ScssListExpression) -> Self {
         Self::ScssListExpression(node)
@@ -35122,20 +35098,16 @@ impl From<ScssUnaryExpression> for AnyScssExpression {
 impl AstNode for AnyScssExpression {
     type Language = Language;
     const KIND_SET: SyntaxKindSet<Language> = AnyCssValue::KIND_SET
-        .union(ScssArbitraryArgument::KIND_SET)
         .union(ScssBinaryExpression::KIND_SET)
         .union(ScssExpression::KIND_SET)
-        .union(ScssKeywordArgument::KIND_SET)
         .union(ScssListExpression::KIND_SET)
         .union(ScssMapExpression::KIND_SET)
         .union(ScssParenthesizedExpression::KIND_SET)
         .union(ScssUnaryExpression::KIND_SET);
     fn can_cast(kind: SyntaxKind) -> bool {
         match kind {
-            SCSS_ARBITRARY_ARGUMENT
-            | SCSS_BINARY_EXPRESSION
+            SCSS_BINARY_EXPRESSION
             | SCSS_EXPRESSION
-            | SCSS_KEYWORD_ARGUMENT
             | SCSS_LIST_EXPRESSION
             | SCSS_MAP_EXPRESSION
             | SCSS_PARENTHESIZED_EXPRESSION
@@ -35146,12 +35118,8 @@ impl AstNode for AnyScssExpression {
     }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         let res = match syntax.kind() {
-            SCSS_ARBITRARY_ARGUMENT => {
-                Self::ScssArbitraryArgument(ScssArbitraryArgument { syntax })
-            }
             SCSS_BINARY_EXPRESSION => Self::ScssBinaryExpression(ScssBinaryExpression { syntax }),
             SCSS_EXPRESSION => Self::ScssExpression(ScssExpression { syntax }),
-            SCSS_KEYWORD_ARGUMENT => Self::ScssKeywordArgument(ScssKeywordArgument { syntax }),
             SCSS_LIST_EXPRESSION => Self::ScssListExpression(ScssListExpression { syntax }),
             SCSS_MAP_EXPRESSION => Self::ScssMapExpression(ScssMapExpression { syntax }),
             SCSS_PARENTHESIZED_EXPRESSION => {
@@ -35169,10 +35137,8 @@ impl AstNode for AnyScssExpression {
     }
     fn syntax(&self) -> &SyntaxNode {
         match self {
-            Self::ScssArbitraryArgument(it) => it.syntax(),
             Self::ScssBinaryExpression(it) => it.syntax(),
             Self::ScssExpression(it) => it.syntax(),
-            Self::ScssKeywordArgument(it) => it.syntax(),
             Self::ScssListExpression(it) => it.syntax(),
             Self::ScssMapExpression(it) => it.syntax(),
             Self::ScssParenthesizedExpression(it) => it.syntax(),
@@ -35182,10 +35148,8 @@ impl AstNode for AnyScssExpression {
     }
     fn into_syntax(self) -> SyntaxNode {
         match self {
-            Self::ScssArbitraryArgument(it) => it.into_syntax(),
             Self::ScssBinaryExpression(it) => it.into_syntax(),
             Self::ScssExpression(it) => it.into_syntax(),
-            Self::ScssKeywordArgument(it) => it.into_syntax(),
             Self::ScssListExpression(it) => it.into_syntax(),
             Self::ScssMapExpression(it) => it.into_syntax(),
             Self::ScssParenthesizedExpression(it) => it.into_syntax(),
@@ -35198,10 +35162,8 @@ impl std::fmt::Debug for AnyScssExpression {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             Self::AnyCssValue(it) => std::fmt::Debug::fmt(it, f),
-            Self::ScssArbitraryArgument(it) => std::fmt::Debug::fmt(it, f),
             Self::ScssBinaryExpression(it) => std::fmt::Debug::fmt(it, f),
             Self::ScssExpression(it) => std::fmt::Debug::fmt(it, f),
-            Self::ScssKeywordArgument(it) => std::fmt::Debug::fmt(it, f),
             Self::ScssListExpression(it) => std::fmt::Debug::fmt(it, f),
             Self::ScssMapExpression(it) => std::fmt::Debug::fmt(it, f),
             Self::ScssParenthesizedExpression(it) => std::fmt::Debug::fmt(it, f),
@@ -35213,10 +35175,8 @@ impl From<AnyScssExpression> for SyntaxNode {
     fn from(n: AnyScssExpression) -> Self {
         match n {
             AnyScssExpression::AnyCssValue(it) => it.into_syntax(),
-            AnyScssExpression::ScssArbitraryArgument(it) => it.into_syntax(),
             AnyScssExpression::ScssBinaryExpression(it) => it.into_syntax(),
             AnyScssExpression::ScssExpression(it) => it.into_syntax(),
-            AnyScssExpression::ScssKeywordArgument(it) => it.into_syntax(),
             AnyScssExpression::ScssListExpression(it) => it.into_syntax(),
             AnyScssExpression::ScssMapExpression(it) => it.into_syntax(),
             AnyScssExpression::ScssParenthesizedExpression(it) => it.into_syntax(),
diff --git a/xtask/codegen/css.ungram b/xtask/codegen/css.ungram
index 1e59150723a1..277cc76773b1 100644
--- a/xtask/codegen/css.ungram
+++ b/xtask/codegen/css.ungram
@@ -2670,8 +2670,6 @@ ScssMapExpressionPair =
 //        ^^
 AnyScssExpression =
 	ScssExpression
-	| ScssKeywordArgument
-	| ScssArbitraryArgument
 	| ScssBinaryExpression
 	| ScssUnaryExpression
 	| ScssParenthesizedExpression