diff --git a/src/libstd/sys/redox/ext/ffi.rs b/src/libstd/sys/redox/ext/ffi.rs
index 060edbd22e48..cd88c8f46b3c 100644
--- a/src/libstd/sys/redox/ext/ffi.rs
+++ b/src/libstd/sys/redox/ext/ffi.rs
@@ -17,9 +17,9 @@ use mem;
 use sys::os_str::Buf;
 use sys_common::{FromInner, IntoInner, AsInner};
 
-/// Redox-specific extensions to [`ffi::OsString`].
+/// Redox-specific extensions to [`OsString`].
 ///
-/// [`ffi::OsString`]: ../../../../std/ffi/struct.OsString.html
+/// [`OsString`]: ../../../../std/ffi/struct.OsString.html
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait OsStringExt {
     /// Creates an `OsString` from a byte vector.
@@ -41,9 +41,9 @@ impl OsStringExt for OsString {
     }
 }
 
-/// Redox-specific extensions to [`ffi::OsStr`].
+/// Redox-specific extensions to [`OsStr`].
 ///
-/// [`ffi::OsStr`]: ../../../../std/ffi/struct.OsStr.html
+/// [`OsStr`]: ../../../../std/ffi/struct.OsStr.html
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait OsStrExt {
     #[stable(feature = "rust1", since = "1.0.0")]
diff --git a/src/libstd/sys/redox/ext/fs.rs b/src/libstd/sys/redox/ext/fs.rs
index b39c6f5d0225..c1dba6edda48 100644
--- a/src/libstd/sys/redox/ext/fs.rs
+++ b/src/libstd/sys/redox/ext/fs.rs
@@ -260,12 +260,12 @@ impl MetadataExt for fs::Metadata {
     }
 }
 
-/// Redox-specific extensions for [`fs::FileType`].
+/// Redox-specific extensions for [`FileType`].
 ///
 /// Adds support for special Unix file types such as block/character devices,
 /// pipes, and sockets.
 ///
-/// [`fs::FileType`]: ../../../../std/fs/struct.FileType.html
+/// [`FileType`]: ../../../../std/fs/struct.FileType.html
 #[stable(feature = "file_type_ext", since = "1.5.0")]
 pub trait FileTypeExt {
     /// Returns whether this file type is a block device.
diff --git a/src/libstd/sys/redox/ext/process.rs b/src/libstd/sys/redox/ext/process.rs
index 608740a5cf70..cfb6d5fc703a 100644
--- a/src/libstd/sys/redox/ext/process.rs
+++ b/src/libstd/sys/redox/ext/process.rs
@@ -18,7 +18,7 @@ use process;
 use sys;
 use sys_common::{AsInnerMut, AsInner, FromInner, IntoInner};
 
-/// Redox-specific extensions to the [`process::Command`] builder.
+/// Redox-specific extensions to the [`process::Command`] builder,
 ///
 /// [`process::Command`]: ../../../../std/process/struct.Command.html
 #[stable(feature = "rust1", since = "1.0.0")]
diff --git a/src/libstd/sys/unix/ext/ffi.rs b/src/libstd/sys/unix/ext/ffi.rs
index 3103ad0416ec..8347145db5aa 100644
--- a/src/libstd/sys/unix/ext/ffi.rs
+++ b/src/libstd/sys/unix/ext/ffi.rs
@@ -17,9 +17,9 @@ use mem;
 use sys::os_str::Buf;
 use sys_common::{FromInner, IntoInner, AsInner};
 
-/// Unix-specific extensions to [`ffi::OsString`].
+/// Unix-specific extensions to [`OsString`].
 ///
-/// [`ffi::OsString`]: ../../../../std/ffi/struct.OsString.html
+/// [`OsString`]: ../../../../std/ffi/struct.OsString.html
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait OsStringExt {
     /// Creates an [`OsString`] from a byte vector.
@@ -68,9 +68,9 @@ impl OsStringExt for OsString {
     }
 }
 
-/// Unix-specific extensions to [`ffi::OsStr`].
+/// Unix-specific extensions to [`OsStr`].
 ///
-/// [`ffi::OsStr`]: ../../../../std/ffi/struct.OsStr.html
+/// [`OsStr`]: ../../../../std/ffi/struct.OsStr.html
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait OsStrExt {
     #[stable(feature = "rust1", since = "1.0.0")]
diff --git a/src/libstd/sys/unix/ext/fs.rs b/src/libstd/sys/unix/ext/fs.rs
index 844e0106df0f..4e9810126690 100644
--- a/src/libstd/sys/unix/ext/fs.rs
+++ b/src/libstd/sys/unix/ext/fs.rs
@@ -20,9 +20,9 @@ use sys;
 use sys_common::{FromInner, AsInner, AsInnerMut};
 use sys::platform::fs::MetadataExt as UnixMetadataExt;
 
-/// Unix-specific extensions to [`fs::File`].
+/// Unix-specific extensions to [`File`].
 ///
-/// [`fs::File`]: ../../../../std/fs/struct.File.html
+/// [`File`]: ../../../../std/fs/struct.File.html
 #[stable(feature = "file_offset", since = "1.15.0")]
 pub trait FileExt {
     /// Reads a number of bytes starting from a given offset.
@@ -555,12 +555,12 @@ impl MetadataExt for fs::Metadata {
     fn blocks(&self) -> u64 { self.st_blocks() }
 }
 
-/// Unix-specific extensions for [`fs::FileType`].
+/// Unix-specific extensions for [`FileType`].
 ///
 /// Adds support for special Unix file types such as block/character devices,
 /// pipes, and sockets.
 ///
-/// [`fs::FileType`]: ../../../../std/fs/struct.FileType.html
+/// [`FileType`]: ../../../../std/fs/struct.FileType.html
 #[stable(feature = "file_type_ext", since = "1.5.0")]
 pub trait FileTypeExt {
     /// Returns whether this file type is a block device.
diff --git a/src/libstd/sys/windows/ext/ffi.rs b/src/libstd/sys/windows/ext/ffi.rs
index b3f7635efd33..98d435524899 100644
--- a/src/libstd/sys/windows/ext/ffi.rs
+++ b/src/libstd/sys/windows/ext/ffi.rs
@@ -76,9 +76,9 @@ use sys_common::{FromInner, AsInner};
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use sys_common::wtf8::EncodeWide;
 
-/// Windows-specific extensions to [`ffi::OsString`].
+/// Windows-specific extensions to [`OsString`].
 ///
-/// [`ffi::OsString`]: ../../../../std/ffi/struct.OsString.html
+/// [`OsString`]: ../../../../std/ffi/struct.OsString.html
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait OsStringExt {
     /// Creates an `OsString` from a potentially ill-formed UTF-16 slice of
@@ -111,9 +111,9 @@ impl OsStringExt for OsString {
     }
 }
 
-/// Windows-specific extensions to [`ffi::OsStr`].
+/// Windows-specific extensions to [`OsStr`].
 ///
-/// [`ffi::OsStr`]: ../../../../std/ffi/struct.OsStr.html
+/// [`OsStr`]: ../../../../std/ffi/struct.OsStr.html
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait OsStrExt {
     /// Re-encodes an `OsStr` as a wide character sequence, i.e. potentially
diff --git a/src/libstd/sys/windows/ext/fs.rs b/src/libstd/sys/windows/ext/fs.rs
index 5daeb5282cd1..78c9e95a0550 100644
--- a/src/libstd/sys/windows/ext/fs.rs
+++ b/src/libstd/sys/windows/ext/fs.rs
@@ -18,9 +18,9 @@ use path::Path;
 use sys;
 use sys_common::{AsInnerMut, AsInner};
 
-/// Windows-specific extensions to [`fs::File`].
+/// Windows-specific extensions to [`File`].
 ///
-/// [`fs::File`]: ../../../fs/struct.File.html
+/// [`File`]: ../../../fs/struct.File.html
 #[stable(feature = "file_offset", since = "1.15.0")]
 pub trait FileExt {
     /// Seeks to a given position and reads a number of bytes.
@@ -444,11 +444,11 @@ impl MetadataExt for Metadata {
     fn file_size(&self) -> u64 { self.as_inner().size() }
 }
 
-/// Windows-specific extensions to [`fs::FileType`].
+/// Windows-specific extensions to [`FileType`].
 ///
 /// On Windows, a symbolic link knows whether it is a file or directory.
 ///
-/// [`fs::FileType`]: ../../../../std/fs/struct.FileType.html
+/// [`FileType`]: ../../../../std/fs/struct.FileType.html
 #[unstable(feature = "windows_file_type_ext", issue = "0")]
 pub trait FileTypeExt {
     /// Returns whether this file type is a symbolic link that is also a directory.