diff --git a/src/uucore/Cargo.toml b/src/uucore/Cargo.toml
index a62afa620..7a53082a7 100644
--- a/src/uucore/Cargo.toml
+++ b/src/uucore/Cargo.toml
@@ -4,22 +4,25 @@ version = "0.0.1"
 authors = []
 
 [dependencies]
-libc = { git = "https://github.com/rust-lang/libc.git" }
 getopts = "*"
 time = { version = "*", optional = true }
 data-encoding = { version = "^1.1", optional = true }
 
+[dependencies.libc]
+git = "https://github.com/rust-lang/libc.git"
+optional = true
+
 [features]
-fs = []
+fs = ["libc"]
 utf8 = []
 encoding = ["data-encoding"]
 parse_time = []
-utmpx = ["time"]
-c_types = []
-process = []
+utmpx = ["time", "libc"]
+c_types = ["libc"]
+process = ["libc"]
 signals = []
 wide = []
-default = ["fs", "utf8", "encoding", "parse_time", "utmpx", "c_types", "process", "signals", "wide"]
+default = ["fs", "libc", "utf8", "encoding", "parse_time", "utmpx", "c_types", "process", "signals", "wide"]
 
 [lib]
 path = "lib.rs"
diff --git a/src/uucore/lib.rs b/src/uucore/lib.rs
index 994112b74..86e24a07a 100644
--- a/src/uucore/lib.rs
+++ b/src/uucore/lib.rs
@@ -1,3 +1,4 @@
+#[cfg(feature = "libc")]
 pub extern crate libc;
 
 #[macro_use]