diff --git a/src/elements/div.rs b/src/elements/div.rs
index 5960d18..0779a92 100644
--- a/src/elements/div.rs
+++ b/src/elements/div.rs
@@ -1,4 +1,4 @@
-use std::sync::{Arc, Mutex};
+use std::sync::Arc;
 
 use crate::{
     widget::{Element, Widget},
@@ -6,14 +6,14 @@ use crate::{
 };
 
 pub struct Div {
-    children: Mutex<Vec<Arc<Widget>>>,
+    children: Vec<Arc<Widget>>,
     size: (u16, u16),
 }
 
 impl Div {
     pub fn new() -> Self {
         Div {
-            children: Mutex::new(Vec::new()),
+            children: Vec::new(),
             size: (0, 0),
         }
     }
@@ -30,7 +30,7 @@ impl Element for Div {
         let (w, h) = scope.get_parent_size();
         scope.set_parent_size(transform.width, transform.height);
 
-        for elem in self.children.lock().unwrap().iter() {
+        for elem in &self.children {
             scope.clear();
             if let Some(style) = elem.get() {
                 scope.set_style(style);
@@ -55,8 +55,8 @@ impl Element for Div {
         self.size = (transform.width, transform.height);
     }
 
-    fn draw_child(&self, element: &Arc<Widget>) {
-        self.children.lock().unwrap().push(element.clone());
+    fn draw_child(&mut self, element: &Arc<Widget>) {
+        self.children.push(element.clone());
         element.inject(|w| w.component(NoRender));
     }
 
diff --git a/src/elements/flex.rs b/src/elements/flex.rs
index 71849a1..a34bc9d 100644
--- a/src/elements/flex.rs
+++ b/src/elements/flex.rs
@@ -1,4 +1,4 @@
-use std::sync::{Arc, Mutex};
+use std::sync::Arc;
 
 use crate::{
     widget::{Element, Widget},
@@ -7,20 +7,20 @@ use crate::{
 
 pub struct FlexRow {
     pub gap: u16,
-    children: Mutex<Vec<Arc<Widget>>>,
+    children: Vec<Arc<Widget>>,
     size: (u16, u16),
 }
 
 pub struct FlexCol {
     pub gap: u16,
-    children: Mutex<Vec<Arc<Widget>>>,
+    children: Vec<Arc<Widget>>,
     size: (u16, u16),
 }
 
 impl FlexRow {
     pub fn new() -> Self {
         Self {
-            children: Mutex::new(Vec::new()),
+            children: Vec::new(),
             size: (0, 0),
             gap: 0,
         }
@@ -30,7 +30,7 @@ impl FlexRow {
 impl FlexCol {
     pub fn new() -> Self {
         Self {
-            children: Mutex::new(Vec::new()),
+            children: Vec::new(),
             size: (0, 0),
             gap: 0,
         }
@@ -50,7 +50,7 @@ impl Element for FlexRow {
 
         let mut v = 0;
 
-        for elem in self.children.lock().unwrap().iter() {
+        for elem in &self.children {
             scope.clear();
             if let Some(style) = elem.get() {
                 scope.set_style(style);
@@ -79,8 +79,8 @@ impl Element for FlexRow {
         self.size = (transform.width, transform.height);
     }
 
-    fn draw_child(&self, element: &Arc<Widget>) {
-        self.children.lock().unwrap().push(element.clone());
+    fn draw_child(&mut self, element: &Arc<Widget>) {
+        self.children.push(element.clone());
         element.inject(|w| w.component(NoRender));
     }
 
@@ -106,7 +106,7 @@ impl Element for FlexCol {
 
         let mut v = 0;
 
-        for elem in self.children.lock().unwrap().iter() {
+        for elem in &self.children {
             scope.clear();
             if let Some(style) = elem.get() {
                 scope.set_style(style);
@@ -135,8 +135,8 @@ impl Element for FlexCol {
         self.size = (transform.width, transform.height);
     }
 
-    fn draw_child(&self, element: &Arc<Widget>) {
-        self.children.lock().unwrap().push(element.clone());
+    fn draw_child(&mut self, element: &Arc<Widget>) {
+        self.children.push(element.clone());
         element.inject(|w| w.component(NoRender));
     }
 
diff --git a/src/elements/heading.rs b/src/elements/heading.rs
index 2e83801..5a0166e 100644
--- a/src/elements/heading.rs
+++ b/src/elements/heading.rs
@@ -1,4 +1,4 @@
-use std::sync::{Arc, Mutex};
+use std::sync::Arc;
 
 use figlet_rs::FIGfont;
 
@@ -10,7 +10,7 @@ use crate::{
 pub struct Heading {
     pub font: FIGfont,
     pub smooth: bool,
-    children: Mutex<Vec<Arc<Widget>>>,
+    children: Vec<Arc<Widget>>,
 }
 
 impl Heading {
@@ -18,7 +18,7 @@ impl Heading {
         Heading {
             font: FIGfont::standard().unwrap(),
             smooth: false,
-            children: Mutex::new(Vec::new()),
+            children: Vec::new(),
         }
     }
 }
@@ -26,7 +26,7 @@ impl Heading {
 impl Element for Heading {
     fn render(&mut self, scope: &mut crate::prelude::RenderScope) {
         let mut s = String::new();
-        for element in self.children.lock().unwrap().iter() {
+        for element in &self.children {
             if let Some(e) = element.get_elem().as_any().downcast_ref::<String>() {
                 s += e;
             }
@@ -44,9 +44,9 @@ impl Element for Heading {
         }
     }
 
-    fn draw_child(&self, element: &Arc<Widget>) {
+    fn draw_child(&mut self, element: &Arc<Widget>) {
         element.inject(|w| w.component(NoRender));
-        self.children.lock().unwrap().push(element.clone());
+        self.children.push(element.clone());
     }
 
     fn as_any(&self) -> &dyn std::any::Any {
diff --git a/src/widget.rs b/src/widget.rs
index f8f3fa1..4d4cd20 100644
--- a/src/widget.rs
+++ b/src/widget.rs
@@ -39,7 +39,7 @@ pub trait Element: Send + Sync {
 
     /// Called to draw child widgets, if any.
     #[allow(unused)]
-    fn draw_child(&self, element: &Arc<Widget>) {}
+    fn draw_child(&mut self, element: &Arc<Widget>) {}
 
     #[allow(unused)]
     fn event(&mut self, event: &dyn Event) {}