diff --git a/src/ls/Cargo.toml b/src/ls/Cargo.toml
index 5da0b3818..a43734c0c 100644
--- a/src/ls/Cargo.toml
+++ b/src/ls/Cargo.toml
@@ -9,8 +9,6 @@ path = "ls.rs"
 
 [dependencies]
 getopts = "*"
-libc = "*"
-uucore = { path="../uucore" }
 pretty-bytes = "0.1.0"
 term_grid = "*"
 termsize = "*"
@@ -18,6 +16,11 @@ time = "*"
 lazy_static = "*"
 unicode-width = "*"
 
+[dependencies.uucore]
+path = "../uucore"
+default-features = false
+features = ["entries"]
+
 [[bin]]
 name = "ls"
 path = "main.rs"
diff --git a/src/ls/ls.rs b/src/ls/ls.rs
index 858bb736d..ac6c3fbc2 100644
--- a/src/ls/ls.rs
+++ b/src/ls/ls.rs
@@ -23,11 +23,9 @@ extern crate lazy_static;
 
 #[macro_use]
 extern crate uucore;
-
-extern crate libc;
 #[cfg(unix)]
-use self::libc::{S_ISUID, S_ISGID, S_ISVTX, S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IWGRP, S_IXGRP,
-                 S_IROTH, S_IWOTH, S_IXOTH, mode_t, c_char};
+use uucore::libc::{S_ISUID, S_ISGID, S_ISVTX, S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IWGRP, S_IXGRP,
+                   S_IROTH, S_IWOTH, S_IXOTH, mode_t};
 
 use getopts::Options;
 use std::fs;
@@ -41,10 +39,6 @@ use std::os::unix::fs::MetadataExt;
 #[cfg(unix)]
 use std::os::unix::fs::FileTypeExt;
 #[cfg(unix)]
-use std::ptr;
-#[cfg(unix)]
-use std::ffi::CStr;
-#[cfg(unix)]
 use unicode_width::UnicodeWidthStr;
 
 #[cfg(windows)]
@@ -407,32 +401,16 @@ fn display_item_long(item: &PathBuf,
 // Currently getpwuid is `linux` target only. If it's broken out into
 // a posix-compliant attribute this can be updated...
 #[cfg(unix)]
-use uucore::c_types::{getpwuid, getgrgid};
-
-// Only used in `display_uname` and `display_group`
-#[cfg(unix)]
-fn cstr2string(cstr: *const c_char) -> String {
-    unsafe { CStr::from_ptr(cstr).to_string_lossy().into_owned() }
-}
+use uucore::entries;
 
 #[cfg(unix)]
 fn display_uname(metadata: &Metadata) -> String {
-    let pw = unsafe { getpwuid(metadata.uid()) };
-    if !pw.is_null() {
-        cstr2string(unsafe { ptr::read(pw).pw_name })
-    } else {
-        metadata.uid().to_string()
-    }
+    entries::uid2usr(metadata.uid()).unwrap_or(metadata.uid().to_string())
 }
 
 #[cfg(unix)]
 fn display_group(metadata: &Metadata) -> String {
-    let ent = unsafe { getgrgid(metadata.gid()) };
-    if !ent.is_null() {
-        cstr2string(unsafe { ptr::read(ent).gr_name })
-    } else {
-        metadata.gid().to_string()
-    }
+    entries::gid2grp(metadata.gid()).unwrap_or(metadata.gid().to_string())
 }
 
 #[cfg(not(unix))]