diff --git a/Cargo.lock b/Cargo.lock
index d0ad4be1e..585f7fc3b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -184,7 +184,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "cat"
 version = "0.0.1"
 dependencies = [
- "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "uucore 0.0.1",
 ]