diff --git a/crates/ide/src/syntax_highlighting/inject.rs b/crates/ide/src/syntax_highlighting/inject.rs
index 5722dea3ab9..d2e09dbb6d9 100644
--- a/crates/ide/src/syntax_highlighting/inject.rs
+++ b/crates/ide/src/syntax_highlighting/inject.rs
@@ -6,7 +6,7 @@ use either::Either;
 use hir::{HasAttrs, InFile, Semantics};
 use ide_db::{call_info::ActiveParameter, defs::Definition, SymbolKind};
 use syntax::{
-    ast::{self, AstNode, AttrsOwner, DocCommentsOwner},
+    ast::{self, AstNode, AttrsOwner, AttrsOwnerNode, DocCommentsOwner},
     match_ast, AstToken, NodeOrToken, SyntaxNode, SyntaxToken, TextRange, TextSize,
 };
 
@@ -89,36 +89,6 @@ const RUSTDOC_FENCE_TOKENS: &[&'static str] = &[
     "edition2021",
 ];
 
-// Basically an owned dyn AttrsOwner without extra Boxing
-struct AttrsOwnerNode {
-    node: SyntaxNode,
-}
-
-impl AttrsOwnerNode {
-    fn new<N: DocCommentsOwner>(node: N) -> Self {
-        AttrsOwnerNode { node: node.syntax().clone() }
-    }
-}
-
-impl AttrsOwner for AttrsOwnerNode {}
-impl AstNode for AttrsOwnerNode {
-    fn can_cast(_: syntax::SyntaxKind) -> bool
-    where
-        Self: Sized,
-    {
-        false
-    }
-    fn cast(_: SyntaxNode) -> Option<Self>
-    where
-        Self: Sized,
-    {
-        None
-    }
-    fn syntax(&self) -> &SyntaxNode {
-        &self.node
-    }
-}
-
 fn doc_attributes<'node>(
     sema: &Semantics<RootDatabase>,
     node: &'node SyntaxNode,
diff --git a/crates/syntax/src/ast.rs b/crates/syntax/src/ast.rs
index 38e0b04efbe..7f472d4dbed 100644
--- a/crates/syntax/src/ast.rs
+++ b/crates/syntax/src/ast.rs
@@ -20,8 +20,8 @@ pub use self::{
     expr_ext::{ArrayExprKind, BinOp, Effect, ElseBranch, LiteralKind, PrefixOp, RangeOp},
     generated::{nodes::*, tokens::*},
     node_ext::{
-        AttrKind, FieldKind, Macro, NameLike, NameOrNameRef, PathSegmentKind, SelfParamKind,
-        SlicePatComponents, StructKind, TypeBoundKind, VisibilityKind,
+        AttrKind, AttrsOwnerNode, FieldKind, Macro, NameLike, NameOrNameRef, PathSegmentKind,
+        SelfParamKind, SlicePatComponents, StructKind, TypeBoundKind, VisibilityKind,
     },
     token_ext::*,
     traits::*,
diff --git a/crates/syntax/src/ast/node_ext.rs b/crates/syntax/src/ast/node_ext.rs
index 5a9834cbb85..01f580a4094 100644
--- a/crates/syntax/src/ast/node_ext.rs
+++ b/crates/syntax/src/ast/node_ext.rs
@@ -90,6 +90,36 @@ impl NameOwner for Macro {
 
 impl AttrsOwner for Macro {}
 
+/// Basically an owned `dyn AttrsOwner` without extra boxing.
+pub struct AttrsOwnerNode {
+    node: SyntaxNode,
+}
+
+impl AttrsOwnerNode {
+    pub fn new<N: AttrsOwner>(node: N) -> Self {
+        AttrsOwnerNode { node: node.syntax().clone() }
+    }
+}
+
+impl AttrsOwner for AttrsOwnerNode {}
+impl AstNode for AttrsOwnerNode {
+    fn can_cast(_: SyntaxKind) -> bool
+    where
+        Self: Sized,
+    {
+        false
+    }
+    fn cast(_: SyntaxNode) -> Option<Self>
+    where
+        Self: Sized,
+    {
+        None
+    }
+    fn syntax(&self) -> &SyntaxNode {
+        &self.node
+    }
+}
+
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum AttrKind {
     Inner,