diff --git a/src/iter/ast_node_iter.rs b/src/iter/ast_node_iter.rs
index 39bac09..6c51c11 100644
--- a/src/iter/ast_node_iter.rs
+++ b/src/iter/ast_node_iter.rs
@@ -69,7 +69,7 @@ use crate::types::VerseBlock;
 /// This only iterates over the children, not the starting node itself. So an AstNodeIter::PlainList would only return PlainListItems, not the PlainList.
 ///
 /// This only iterates over AST nodes, so an AstNodeIter::Heading would iterate over both the title and section contents, but it would not iterate over simple strings like the TODO keyword or priority.
-pub enum AstNodeIter<'r, 's> {
+pub(crate) enum AstNodeIter<'r, 's> {
     // Document Nodes
     Document(DocumentIter<'r, 's>),
     Heading(HeadingIter<'r, 's>),
@@ -132,7 +132,7 @@ pub enum AstNodeIter<'r, 's> {
 }
 
 impl<'r, 's> AstNodeIter<'r, 's> {
-    pub fn from_ast_node(node: &AstNode<'r, 's>) -> AstNodeIter<'r, 's> {
+    pub(crate) fn from_ast_node(node: &AstNode<'r, 's>) -> AstNodeIter<'r, 's> {
         match node {
             AstNode::Document(inner) => AstNodeIter::Document(inner.into_iter()),
             AstNode::Heading(inner) => AstNodeIter::Heading(inner.into_iter()),
diff --git a/src/iter/mod.rs b/src/iter/mod.rs
index c380ada..d820847 100644
--- a/src/iter/mod.rs
+++ b/src/iter/mod.rs
@@ -2,3 +2,4 @@ mod all_ast_node_iter;
 mod ast_node;
 mod ast_node_iter;
 mod macros;
+pub(crate) use ast_node::AstNode;
diff --git a/src/parser/document.rs b/src/parser/document.rs
index 9c26a41..11582c5 100644
--- a/src/parser/document.rs
+++ b/src/parser/document.rs
@@ -19,6 +19,7 @@ use crate::context::RefContext;
 use crate::error::CustomError;
 use crate::error::MyError;
 use crate::error::Res;
+use crate::iter::AstNode;
 use crate::parser::org_source::convert_error;
 use crate::parser::util::blank_line;
 use crate::types::Document;
@@ -111,15 +112,14 @@ fn document_org_source<'b, 'g, 'r, 's>(
         _document(context, input).map(|(rem, out)| (Into::<&str>::into(rem), out))?;
     {
         // If there are radio targets in this document then we need to parse the entire document again with the knowledge of the radio targets.
-        let all_radio_targets: Vec<&Vec<Object<'_>>> = document
-            .iter_tokens()
-            .filter_map(|tkn| match tkn {
-                Token::Object(obj) => Some(obj),
-                _ => None,
-            })
-            .filter_map(|obj| match obj {
-                Object::RadioTarget(rt) => Some(rt),
-                _ => None,
+        let all_radio_targets: Vec<&Vec<Object<'_>>> = Into::<AstNode>::into(&document)
+            .into_iter()
+            .filter_map(|ast_node| {
+                if let AstNode::RadioTarget(ast_node) = ast_node {
+                    Some(ast_node)
+                } else {
+                    None
+                }
             })
             .map(|rt| &rt.children)
             .collect();