diff --git a/src/libstd/json.rs b/src/libstd/json.rs
index 2d78ef066cc86..f244f2869a60e 100644
--- a/src/libstd/json.rs
+++ b/src/libstd/json.rs
@@ -27,136 +27,6 @@ pub struct Error {
     line: uint,
     col: uint,
     msg: @~str,
-};
-
-/// Serializes a json value into a io::writer
-fn to_writer(wr: io::Writer, j: Json) {
-    match j {
-      Num(n) => wr.write_str(float::to_str(n, 6u)),
-      String(s) => wr.write_str(escape_str(*s)),
-      Boolean(b) => wr.write_str(if b { ~"true" } else { ~"false" }),
-      List(v) => {
-        wr.write_char('[');
-        let mut first = true;
-        for (*v).each |item| {
-            if !first {
-                wr.write_str(~", ");
-            }
-            first = false;
-            to_writer(wr, *item);
-        };
-        wr.write_char(']');
-      }
-      Dict(d) => {
-        if d.size() == 0u {
-            wr.write_str(~"{}");
-            return;
-        }
-
-        wr.write_str(~"{ ");
-        let mut first = true;
-        for d.each |key, value| {
-            if !first {
-                wr.write_str(~", ");
-            }
-            first = false;
-            wr.write_str(escape_str(key));
-            wr.write_str(~": ");
-            to_writer(wr, value);
-        };
-        wr.write_str(~" }");
-      }
-      Null => wr.write_str(~"null")
-    }
-}
-
-/// Serializes a json value into a io::writer
-fn to_writer_pretty(wr: io::Writer, j: Json, indent: uint) {
-    fn spaces(n: uint) -> ~str {
-        let mut ss = ~"";
-        for n.times { str::push_str(&mut ss, " "); }
-        return ss;
-    }
-
-    match j {
-      Num(n) => wr.write_str(float::to_str(n, 6u)),
-      String(s) => wr.write_str(escape_str(*s)),
-      Boolean(b) => wr.write_str(if b { ~"true" } else { ~"false" }),
-      List(vv) => {
-        if vv.len() == 0u {
-            wr.write_str(~"[]");
-            return;
-        }
-
-        let inner_indent = indent + 2;
-
-        // [
-        wr.write_str("[\n");
-        wr.write_str(spaces(inner_indent));
-
-        // [ elem,
-        //   elem,
-        //   elem ]
-        let mut first = true;
-        for (*vv).each |item| {
-            if !first {
-                wr.write_str(~",\n");
-                wr.write_str(spaces(inner_indent));
-            }
-            first = false;
-            to_writer_pretty(wr, *item, inner_indent);
-        };
-
-        // ]
-        wr.write_str("\n");
-        wr.write_str(spaces(indent));
-        wr.write_str(~"]");
-      }
-      Dict(dd) => {
-        if dd.size() == 0u {
-            wr.write_str(~"{}");
-            return;
-        }
-
-        let inner_indent = indent + 2;
-
-        // convert from a dictionary
-        let mut pairs = ~[];
-        for dd.each |key, value| {
-            vec::push(pairs, (key, value));
-        }
-
-        // sort by key strings
-        let sorted_pairs = do sort::merge_sort(pairs) |a,b| { *a <= *b };
-
-        // {
-        wr.write_str(~"{\n");
-        wr.write_str(spaces(inner_indent));
-
-        // { k: v,
-        //   k: v,
-        //   k: v }
-        let mut first = true;
-        for sorted_pairs.each |kv| {
-            let (key, value) = *kv;
-            if !first {
-                wr.write_str(~",\n");
-                wr.write_str(spaces(inner_indent));
-            }
-            first = false;
-            let key = str::append(escape_str(key), ~": ");
-            let key_indent = inner_indent + str::len(key);
-            wr.write_str(key);
-            to_writer_pretty(wr, value, key_indent);
-        };
-
-        // }
-        wr.write_str(~"\n");
-        wr.write_str(spaces(indent));
-        wr.write_str(~"}");
-      }
-      Null => wr.write_str(~"null")
-    }
 }
 
 fn escape_str(s: &str) -> ~str {