diff --git a/src/components/gfx/text/util.rs b/src/components/gfx/text/util.rs
index 79cbc6930c3..a149af36c01 100644
--- a/src/components/gfx/text/util.rs
+++ b/src/components/gfx/text/util.rs
@@ -20,7 +20,7 @@ pub enum CompressionMode {
 // * Issue #114: record skipped and kept chars for mapping original to new text
 //
 // * Untracked: various edge cases for bidi, CJK, etc.
-pub fn transform_text(text: &str, mode: CompressionMode, incoming_whitespace: bool, new_line_pos: &mut ~[uint]) -> (~str, bool) {
+pub fn transform_text(text: &str, mode: CompressionMode, incoming_whitespace: bool, new_line_pos: &mut Vec<uint>) -> (~str, bool) {
     let mut out_str: ~str = "".to_owned();
     let out_whitespace = match mode {
         CompressNone | DiscardNewline => {
@@ -149,7 +149,7 @@ fn test_transform_compress_none() {
     let mode = CompressNone;
 
     for i in range(0, test_strs.len()) {
-        let mut new_line_pos = ~[];
+        let mut new_line_pos = Vec::new();
         let (trimmed_str, _out) = transform_text(test_strs[i], mode, true, &mut new_line_pos);
         assert_eq!(&trimmed_str, &test_strs[i])
     }
@@ -178,7 +178,7 @@ fn test_transform_discard_newline() {
     let mode = DiscardNewline;
 
     for i in range(0, test_strs.len()) {
-        let mut new_line_pos = ~[];
+        let mut new_line_pos = Vec::new();
         let (trimmed_str, _out) = transform_text(test_strs[i], mode, true, &mut new_line_pos);
         assert_eq!(&trimmed_str, &oracle_strs[i])
     }
@@ -266,7 +266,7 @@ fn test_transform_compress_whitespace_newline_no_incoming() {
     let mode = CompressWhitespaceNewline;
 
     for i in range(0, test_strs.len()) {
-        let mut new_line_pos = ~[];
+        let mut new_line_pos = Vec::new();
         let (trimmed_str, _out) = transform_text(test_strs[i], mode, false, &mut new_line_pos);
         assert_eq!(&trimmed_str, &oracle_strs[i])
     }
diff --git a/src/components/main/layout/box_.rs b/src/components/main/layout/box_.rs
index 41b133243e1..fe5eff68402 100644
--- a/src/components/main/layout/box_.rs
+++ b/src/components/main/layout/box_.rs
@@ -94,7 +94,7 @@ pub struct Box {
     /// New-line chracter(\n)'s positions(relative, not absolute)
     ///
     /// FIXME(#2260, pcwalton): This is very inefficient; remove.
-    pub new_line_pos: ~[uint],
+    pub new_line_pos: Vec<uint>,
 }
 
 /// Info specific to the kind of box. Keep this enum small.
@@ -313,7 +313,7 @@ impl Box {
             border_padding: Zero::zero(),
             margin: Zero::zero(),
             specific: constructor.build_specific_box_info_for_node(node),
-            new_line_pos: ~[],
+            new_line_pos: Vec::new(),
         }
     }
 
@@ -326,7 +326,7 @@ impl Box {
             border_padding: Zero::zero(),
             margin: Zero::zero(),
             specific: specific,
-            new_line_pos: ~[],
+            new_line_pos: Vec::new(),
         }
     }
 
@@ -350,7 +350,7 @@ impl Box {
             border_padding: Zero::zero(),
             margin: Zero::zero(),
             specific: specific,
-            new_line_pos: ~[],
+            new_line_pos: Vec::new(),
         }
     }
 
@@ -366,7 +366,7 @@ impl Box {
             border_padding: Zero::zero(),
             margin: Zero::zero(),
             specific: specific,
-            new_line_pos: ~[],
+            new_line_pos: Vec::new(),
         }
     }
 
@@ -1114,7 +1114,7 @@ impl Box {
                     let new_text_box_info = ScannedTextBoxInfo::new(text_box_info.run.clone(), left_range);
                     let new_metrics = new_text_box_info.run.metrics_for_range(&left_range);
                     let mut new_box = self.transform(new_metrics.bounding_box.size, ScannedTextBox(new_text_box_info));
-                    new_box.new_line_pos = ~[];
+                    new_box.new_line_pos = Vec::new();
                     Some(new_box)
                 };
 
diff --git a/src/components/main/layout/text.rs b/src/components/main/layout/text.rs
index cb3e876d86d..aecf7f71cee 100644
--- a/src/components/main/layout/text.rs
+++ b/src/components/main/layout/text.rs
@@ -22,7 +22,7 @@ use style::computed_values::{font_family, line_height, white_space};
 use sync::Arc;
 
 struct NewLinePositions {
-    new_line_pos: ~[uint],
+    new_line_pos: Vec<uint>,
 }
 
 // A helper function.
@@ -138,7 +138,8 @@ impl TextRunScanner {
                     white_space::pre => CompressNone,
                 };
 
-                let mut new_line_pos = ~[];
+                let mut new_line_pos = Vec::new();
+
                 let (transformed_text, whitespace) = transform_text(*text,
                                                                     compression,
                                                                     last_whitespace,
@@ -195,7 +196,7 @@ impl TextRunScanner {
                         _ => fail!("Expected an unscanned text box!"),
                     };
 
-                    let mut new_line_pos = ~[];
+                    let mut new_line_pos = Vec::new();
 
                     let (new_str, new_whitespace) = transform_text(*in_box,
                                                                    compression,