diff --git a/src/components/gfx/buffer_map.rs b/src/components/gfx/buffer_map.rs
index 899e077a93d..ea16f5f4e1b 100644
--- a/src/components/gfx/buffer_map.rs
+++ b/src/components/gfx/buffer_map.rs
@@ -54,7 +54,7 @@ impl BufferKey {
 /// A helper struct to keep track of buffers in the HashMap
 struct BufferValue<T> {
     /// An array of buffers, all the same size
-    buffers: ~[T],
+    buffers: Vec<T>, 
     /// The counter when this size was last requested
     last_action: uint,
 }
@@ -86,7 +86,7 @@ impl<T: Tile> BufferMap<T> {
         // use lazy insertion function to prevent unnecessary allocation
         let counter = &self.counter;
         self.map.find_or_insert_with(new_key, |_| BufferValue {
-            buffers: ~[],
+            buffers: Vec::new(),
             last_action: *counter
         }).buffers.push(new_buffer);
 
diff --git a/src/components/gfx/font.rs b/src/components/gfx/font.rs
index 9f00a883098..7405f416d9b 100644
--- a/src/components/gfx/font.rs
+++ b/src/components/gfx/font.rs
@@ -101,7 +101,7 @@ pub struct FontStyle {
     pub pt_size: f64,
     pub weight: font_weight::T,
     pub style: font_style::T,
-    pub families: ~[~str],
+    pub families: Vec<~str>,
     // TODO(Issue #198): font-stretch, text-decoration, font-variant, size-adjust
 }
 
@@ -143,15 +143,15 @@ pub enum FontSelector {
 // The ordering of font instances is mainly decided by the CSS
 // 'font-family' property. The last font is a system fallback font.
 pub struct FontGroup {
-    pub families: ~[~str],
+    pub families: Vec<~str>,
     // style of the first western font in group, which is
     // used for purposes of calculating text run metrics.
     pub style: UsedFontStyle,
-    pub fonts: ~[Rc<RefCell<Font>>]
+    pub fonts: Vec<Rc<RefCell<Font>>>
 }
 
 impl FontGroup {
-    pub fn new(families: ~[~str], style: &UsedFontStyle, fonts: ~[Rc<RefCell<Font>>]) -> FontGroup {
+    pub fn new(families: Vec<~str>, style: &UsedFontStyle, fonts: Vec<Rc<RefCell<Font>>>) -> FontGroup {
         FontGroup {
             families: families,
             style: (*style).clone(),
@@ -160,14 +160,14 @@ impl FontGroup {
     }
 
     pub fn teardown(&mut self) {
-        self.fonts = ~[];
+        self.fonts = Vec::new();
     }
 
     pub fn create_textrun(&self, text: ~str, decoration: text_decoration::T) -> TextRun {
         assert!(self.fonts.len() > 0);
 
         // TODO(Issue #177): Actually fall back through the FontGroup when a font is unsuitable.
-        TextRun::new(&mut *self.fonts[0].borrow_mut(), text.clone(), decoration)
+        TextRun::new(&mut *self.fonts.get(0).borrow_mut(), text.clone(), decoration)
     }
 }
 
diff --git a/src/components/gfx/font_context.rs b/src/components/gfx/font_context.rs
index 75ae81ac659..623160cb804 100644
--- a/src/components/gfx/font_context.rs
+++ b/src/components/gfx/font_context.rs
@@ -116,7 +116,7 @@ impl FontContext {
     }
 
     fn create_font_group(&mut self, style: &SpecifiedFontStyle) -> Rc<RefCell<FontGroup>> {
-        let mut fonts = ~[];
+        let mut fonts = Vec::new();
 
         debug!("(create font group) --- starting ---");
 
@@ -200,7 +200,7 @@ impl FontContext {
 
         Rc::new(
             RefCell::new(
-                FontGroup::new(style.families.to_owned(), &used_style, fonts)))
+                FontGroup::new(style.families.clone(), &used_style, fonts)))
     }
 
     fn create_font_instance(&self, desc: &FontDescriptor) -> Result<Rc<RefCell<Font>>, ()> {
diff --git a/src/components/main/layout/text.rs b/src/components/main/layout/text.rs
index 1ae5a0cbee2..cb3e876d86d 100644
--- a/src/components/main/layout/text.rs
+++ b/src/components/main/layout/text.rs
@@ -225,7 +225,7 @@ impl TextRunScanner {
                 // sequence. If no clump takes ownership, however, it will leak.
                 let clump = self.clump;
                 let run = if clump.length() != 0 && run_str.len() > 0 {
-                    Some(Arc::new(~TextRun::new(&mut *fontgroup.borrow().fonts[0].borrow_mut(),
+                    Some(Arc::new(~TextRun::new(&mut *fontgroup.borrow().fonts.get(0).borrow_mut(),
                                                 run_str.clone(), decoration)))
                 } else {
                     None
@@ -267,7 +267,7 @@ impl TextRunScanner {
 pub fn font_metrics_for_style(font_context: &mut FontContext, font_style: &FontStyle)
                               -> FontMetrics {
     let fontgroup = font_context.get_resolved_font_for_style(font_style);
-    fontgroup.borrow().fonts[0].borrow().metrics.clone()
+    fontgroup.borrow().fonts.get(0).borrow().metrics.clone()
 }
 
 /// Converts a computed style to a font style used for rendering.
diff --git a/src/components/style/properties.rs.mako b/src/components/style/properties.rs.mako
index 682c373c7ab..06b4412d6ff 100644
--- a/src/components/style/properties.rs.mako
+++ b/src/components/style/properties.rs.mako
@@ -705,10 +705,10 @@ pub mod longhands {
 //                Fantasy,
 //                Monospace,
             }
-            pub type T = ~[FontFamily];
+            pub type T = Vec<FontFamily>;
         }
         pub type SpecifiedValue = computed_value::T;
-        #[inline] pub fn get_initial_value() -> computed_value::T { ~[FamilyName(~"serif")] }
+        #[inline] pub fn get_initial_value() -> computed_value::T { vec!(FamilyName(~"serif")) }
         /// <familiy-name>#
         /// <familiy-name> = <string> | [ <ident>+ ]
         /// TODO: <generic-familiy>
@@ -716,7 +716,7 @@ pub mod longhands {
             from_iter(input.skip_whitespace())
         }
         pub fn from_iter<'a>(mut iter: SkipWhitespaceIterator<'a>) -> Option<SpecifiedValue> {
-            let mut result = ~[];
+            let mut result = Vec::new();
             macro_rules! add(
                 ($value: expr, $b: expr) => {
                     {
@@ -743,7 +743,7 @@ pub mod longhands {
 //                            "fantasy" => add!(Fantasy, break 'outer),
 //                            "monospace" => add!(Monospace, break 'outer),
                             _ => {
-                                let mut idents = ~[value.as_slice()];
+                                let mut idents = vec!(value.as_slice());
                                 loop {
                                     match iter.next() {
                                         Some(&Ident(ref value)) => idents.push(value.as_slice()),