diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs
index 86b8349fa3c89..356534a91879c 100644
--- a/src/libcore/str/mod.rs
+++ b/src/libcore/str/mod.rs
@@ -2117,8 +2117,6 @@ impl str {
     /// This length is in bytes, not [`char`]s or graphemes. In other words,
     /// it may not be what a human considers the length of the string.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Examples
     ///
     /// Basic usage:
@@ -2590,8 +2588,6 @@ impl str {
     /// Value, and may not match your idea of what a 'character' is. Iteration
     /// over grapheme clusters may be what you actually want.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Examples
     ///
     /// Basic usage:
@@ -2643,8 +2639,6 @@ impl str {
     /// The iterator yields tuples. The position is first, the [`char`] is
     /// second.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Examples
     ///
     /// Basic usage:
@@ -2946,7 +2940,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that determines if
     /// a character matches.
     ///
-    /// [`char`]: primitive.char.html
     /// [`None`]: option/enum.Option.html#variant.None
     ///
     /// # Examples
@@ -2994,7 +2987,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that determines if
     /// a character matches.
     ///
-    /// [`char`]: primitive.char.html
     /// [`None`]: option/enum.Option.html#variant.None
     ///
     /// # Examples
@@ -3050,7 +3042,6 @@ impl str {
     /// If the pattern allows a reverse search but its results might differ
     /// from a forward search, the [`rsplit`] method can be used.
     ///
-    /// [`char`]: primitive.char.html
     /// [`rsplit`]: #method.rsplit
     ///
     /// # Examples
@@ -3157,8 +3148,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that determines the
     /// split.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Iterator behavior
     ///
     /// The returned iterator requires that the pattern supports a reverse
@@ -3224,7 +3213,6 @@ impl str {
     /// elements. This is true for, eg, [`char`] but not for `&str`.
     ///
     /// [`DoubleEndedIterator`]: iter/trait.DoubleEndedIterator.html
-    /// [`char`]: primitive.char.html
     ///
     /// If the pattern allows a reverse search but its results might differ
     /// from a forward search, the [`rsplit_terminator`] method can be used.
@@ -3259,8 +3247,6 @@ impl str {
     /// Additional libraries might provide more complex patterns like
     /// regular expressions.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// Equivalent to [`split`], except that the trailing substring is
     /// skipped if empty.
     ///
@@ -3306,8 +3292,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that determines the
     /// split.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Iterator behavior
     ///
     /// The returned iterator will not be double ended, because it is
@@ -3361,8 +3345,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that
     /// determines the split.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Iterator behavior
     ///
     /// The returned iterator will not be double ended, because it is not
@@ -3407,8 +3389,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that
     /// determines if a character matches.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Iterator behavior
     ///
     /// The returned iterator will be a [`DoubleEndedIterator`] if the pattern
@@ -3416,7 +3396,6 @@ impl str {
     /// elements. This is true for, eg, [`char`] but not for `&str`.
     ///
     /// [`DoubleEndedIterator`]: iter/trait.DoubleEndedIterator.html
-    /// [`char`]: primitive.char.html
     ///
     /// If the pattern allows a reverse search but its results might differ
     /// from a forward search, the [`rmatches`] method can be used.
@@ -3446,8 +3425,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that determines if
     /// a character matches.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Iterator behavior
     ///
     /// The returned iterator requires that the pattern supports a reverse
@@ -3488,8 +3465,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that determines
     /// if a character matches.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Iterator behavior
     ///
     /// The returned iterator will be a [`DoubleEndedIterator`] if the pattern
@@ -3532,8 +3507,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that determines if a
     /// character matches.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Iterator behavior
     ///
     /// The returned iterator requires that the pattern supports a reverse
@@ -3665,8 +3638,6 @@ impl str {
     /// The pattern can be a [`char`] or a closure that determines if a
     /// character matches.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Examples
     ///
     /// Simple patterns:
@@ -3711,8 +3682,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that determines if
     /// a character matches.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Text directionality
     ///
     /// A string is a sequence of bytes. 'Left' in this context means the first
@@ -3750,8 +3719,6 @@ impl str {
     /// The pattern can be a `&str`, [`char`], or a closure that
     /// determines if a character matches.
     ///
-    /// [`char`]: primitive.char.html
-    ///
     /// # Text directionality
     ///
     /// A string is a sequence of bytes. 'Right' in this context means the last