diff --git a/crates/macro/src/html_tree/html_block.rs b/crates/macro/src/html_tree/html_block.rs
index 0c0fbd57ca6..8b7e5d393ac 100644
--- a/crates/macro/src/html_tree/html_block.rs
+++ b/crates/macro/src/html_tree/html_block.rs
@@ -14,8 +14,8 @@ pub struct HtmlBlock {
 }
 
 enum BlockContent {
-    Node(HtmlNode),
-    Iterable(HtmlIterable),
+    Node(Box<HtmlNode>),
+    Iterable(Box<HtmlIterable>),
 }
 
 impl PeekValue<()> for HtmlBlock {
@@ -29,9 +29,9 @@ impl Parse for HtmlBlock {
         let content;
         let brace = braced!(content in input);
         let content = if HtmlIterable::peek(content.cursor()).is_some() {
-            BlockContent::Iterable(content.parse()?)
+            BlockContent::Iterable(Box::new(content.parse()?))
         } else {
-            BlockContent::Node(content.parse()?)
+            BlockContent::Node(Box::new(content.parse()?))
         };
 
         Ok(HtmlBlock { brace, content })
diff --git a/crates/macro/src/html_tree/html_component.rs b/crates/macro/src/html_tree/html_component.rs
index 7893c93aab2..a1afac7c122 100644
--- a/crates/macro/src/html_tree/html_component.rs
+++ b/crates/macro/src/html_tree/html_component.rs
@@ -87,8 +87,8 @@ impl ToTokens for HtmlComponent {
             children,
         } = self;
 
-        let validate_props = if let Props::List(ListProps { props, .. }) = props {
-            let check_props = props.iter().map(|HtmlProp { label, .. }| {
+        let validate_props = if let Props::List(list_props) = props {
+            let check_props = list_props.props.iter().map(|HtmlProp { label, .. }| {
                 quote! { props.#label; }
             });
 
@@ -121,8 +121,8 @@ impl ToTokens for HtmlComponent {
         };
 
         let init_props = match props {
-            Props::List(ListProps { props, .. }) => {
-                let set_props = props.iter().map(|HtmlProp { label, value }| {
+            Props::List(list_props) => {
+                let set_props = list_props.props.iter().map(|HtmlProp { label, value }| {
                     quote_spanned! { value.span()=> .#label(
                         <::yew::virtual_dom::vcomp::VComp as ::yew::virtual_dom::Transformer<_, _>>::transform(
                             #value
@@ -137,7 +137,10 @@ impl ToTokens for HtmlComponent {
                         .build()
                 }
             }
-            Props::With(WithProps { props, .. }) => quote! { #props },
+            Props::With(with_props) => {
+                let props = &with_props.props;
+                quote! { #props }
+            }
             Props::None => quote! {
                 <<#ty as ::yew::html::Component>::Properties as ::yew::html::Properties>::builder()
                     #set_children
@@ -343,16 +346,16 @@ enum PropType {
 }
 
 enum Props {
-    List(ListProps),
-    With(WithProps),
+    List(Box<ListProps>),
+    With(Box<WithProps>),
     None,
 }
 
 impl Props {
     fn node_ref(&self) -> Option<&Expr> {
         match self {
-            Props::List(ListProps { node_ref, .. }) => node_ref.as_ref(),
-            Props::With(WithProps { node_ref, .. }) => node_ref.as_ref(),
+            Props::List(list_props) => list_props.node_ref.as_ref(),
+            Props::With(with_props) => with_props.node_ref.as_ref(),
             Props::None => None,
         }
     }
@@ -374,8 +377,8 @@ impl PeekValue<PropType> for Props {
 impl Parse for Props {
     fn parse(input: ParseStream) -> ParseResult<Self> {
         match Props::peek(input.cursor()) {
-            Some(PropType::List) => input.parse().map(Props::List),
-            Some(PropType::With) => input.parse().map(Props::With),
+            Some(PropType::List) => input.parse().map(|l| Props::List(Box::new(l))),
+            Some(PropType::With) => input.parse().map(|w| Props::With(Box::new(w))),
             None => Ok(Props::None),
         }
     }
diff --git a/crates/macro/src/html_tree/html_node.rs b/crates/macro/src/html_tree/html_node.rs
index f469092034b..e20d47f79f3 100644
--- a/crates/macro/src/html_tree/html_node.rs
+++ b/crates/macro/src/html_tree/html_node.rs
@@ -17,9 +17,9 @@ impl Parse for HtmlNode {
                 Lit::Str(_) | Lit::Char(_) | Lit::Int(_) | Lit::Float(_) | Lit::Bool(_) => {}
                 _ => return Err(syn::Error::new(lit.span(), "unsupported type")),
             }
-            Node::Literal(lit)
+            Node::Literal(Box::new(lit))
         } else {
-            Node::Expression(input.parse()?)
+            Node::Expression(Box::new(input.parse()?))
         };
 
         Ok(HtmlNode(node))
@@ -56,6 +56,6 @@ impl ToTokens for Node {
 }
 
 enum Node {
-    Literal(Lit),
-    Expression(Expr),
+    Literal(Box<Lit>),
+    Expression(Box<Expr>),
 }
diff --git a/crates/macro/src/html_tree/html_tag/tag_attributes.rs b/crates/macro/src/html_tree/html_tag/tag_attributes.rs
index 61ae5581e17..3945bf2f790 100644
--- a/crates/macro/src/html_tree/html_tag/tag_attributes.rs
+++ b/crates/macro/src/html_tree/html_tag/tag_attributes.rs
@@ -20,7 +20,7 @@ pub struct TagAttributes {
 
 pub enum ClassesForm {
     Tuple(Vec<Expr>),
-    Single(Expr),
+    Single(Box<Expr>),
 }
 
 lazy_static! {
@@ -146,7 +146,7 @@ impl TagAttributes {
     fn map_classes(class_expr: Expr) -> ClassesForm {
         match class_expr {
             Expr::Tuple(ExprTuple { elems, .. }) => ClassesForm::Tuple(elems.into_iter().collect()),
-            expr => ClassesForm::Single(expr),
+            expr => ClassesForm::Single(Box::new(expr)),
         }
     }
 }
diff --git a/crates/macro/src/html_tree/mod.rs b/crates/macro/src/html_tree/mod.rs
index 20102dd53a1..63a1782981a 100644
--- a/crates/macro/src/html_tree/mod.rs
+++ b/crates/macro/src/html_tree/mod.rs
@@ -31,12 +31,12 @@ pub enum HtmlType {
 }
 
 pub enum HtmlTree {
-    Block(HtmlBlock),
-    Component(HtmlComponent),
-    Iterable(HtmlIterable),
-    List(HtmlList),
-    Tag(HtmlTag),
-    Node(HtmlNode),
+    Block(Box<HtmlBlock>),
+    Component(Box<HtmlComponent>),
+    Iterable(Box<HtmlIterable>),
+    List(Box<HtmlList>),
+    Tag(Box<HtmlTag>),
+    Node(Box<HtmlNode>),
     Empty,
 }
 
@@ -46,9 +46,9 @@ impl Parse for HtmlRoot {
         let html_root = if HtmlTree::peek(input.cursor()).is_some() {
             HtmlRoot(input.parse()?)
         } else if HtmlIterable::peek(input.cursor()).is_some() {
-            HtmlRoot(HtmlTree::Iterable(input.parse()?))
+            HtmlRoot(HtmlTree::Iterable(Box::new(input.parse()?)))
         } else {
-            HtmlRoot(HtmlTree::Node(input.parse()?))
+            HtmlRoot(HtmlTree::Node(Box::new(input.parse()?)))
         };
 
         if !input.is_empty() {
@@ -76,10 +76,10 @@ impl Parse for HtmlTree {
             .ok_or_else(|| input.error("expected valid html element"))?;
         let html_tree = match html_type {
             HtmlType::Empty => HtmlTree::Empty,
-            HtmlType::Component => HtmlTree::Component(input.parse()?),
-            HtmlType::Tag => HtmlTree::Tag(input.parse()?),
-            HtmlType::Block => HtmlTree::Block(input.parse()?),
-            HtmlType::List => HtmlTree::List(input.parse()?),
+            HtmlType::Component => HtmlTree::Component(Box::new(input.parse()?)),
+            HtmlType::Tag => HtmlTree::Tag(Box::new(input.parse()?)),
+            HtmlType::Block => HtmlTree::Block(Box::new(input.parse()?)),
+            HtmlType::List => HtmlTree::List(Box::new(input.parse()?)),
         };
         Ok(html_tree)
     }
diff --git a/examples/dashboard/src/lib.rs b/examples/dashboard/src/lib.rs
index f7944eb379f..2927666885f 100644
--- a/examples/dashboard/src/lib.rs
+++ b/examples/dashboard/src/lib.rs
@@ -5,7 +5,6 @@ use serde_derive::{Deserialize, Serialize};
 use yew::format::{Json, Nothing, Toml};
 use yew::services::fetch::{FetchService, FetchTask, Request, Response};
 use yew::services::websocket::{WebSocketService, WebSocketStatus, WebSocketTask};
-use yew::services::Task;
 use yew::{html, Component, ComponentLink, Html, ShouldRender};
 
 type AsBinary = bool;