diff --git a/src/libstd/num/strconv.rs b/src/libstd/num/strconv.rs
index 618449939ce2..ebcef6ddc5fe 100644
--- a/src/libstd/num/strconv.rs
+++ b/src/libstd/num/strconv.rs
@@ -19,7 +19,6 @@ use num::{Float, FPNaN, FPInfinite, ToPrimitive};
 use num;
 use ops::{Add, Sub, Mul, Div, Rem, Neg};
 use option::{None, Option, Some};
-use slice::OwnedVector;
 use slice::{CloneableVector, ImmutableVector, MutableVector};
 use std::cmp::{Ord, Eq};
 use str::{Str, StrSlice};
diff --git a/src/libstd/slice.rs b/src/libstd/slice.rs
index d260ca465131..f769ce5b3190 100644
--- a/src/libstd/slice.rs
+++ b/src/libstd/slice.rs
@@ -744,11 +744,6 @@ impl<'a, T: TotalOrd> MutableTotalOrdVector<T> for &'a mut [T] {
 
 /// Unsafe operations
 pub mod raw {
-    use iter::Iterator;
-    use ptr;
-    use slice::{MutableVector, OwnedVector};
-    use vec::Vec;
-
     pub use core::slice::raw::{buf_as_slice, mut_buf_as_slice};
     pub use core::slice::raw::{shift_ptr, pop_ptr};
 }
diff --git a/src/libstd/str.rs b/src/libstd/str.rs
index e1dd4a139102..fb2d85657e85 100644
--- a/src/libstd/str.rs
+++ b/src/libstd/str.rs
@@ -85,10 +85,9 @@ use fmt;
 use io::Writer;
 use iter::{Iterator, range, AdditiveIterator};
 use option::{None, Option, Some};
-use ptr;
 use from_str::FromStr;
-use slice::{OwnedVector, ImmutableVector, MutableVector, CloneableVector};
-use slice::{Vector};
+use slice::{ImmutableVector, MutableVector, CloneableVector};
+use slice::Vector;
 use vec::Vec;
 use default::Default;
 use strbuf::StrBuf;
@@ -671,9 +670,9 @@ pub mod raw {
     use iter::Iterator;
     use libc;
     use ptr::RawPtr;
-    use ptr;
-    use slice::{MutableVector, OwnedVector, Vector};
-    use str::{is_utf8};
+    use raw::Slice;
+    use slice::ImmutableVector;
+    use str::is_utf8;
 
     pub use core::str::raw::{from_utf8, c_str_to_static_slice, slice_bytes};
     pub use core::str::raw::{slice_unchecked};