diff --git a/Cargo.toml b/Cargo.toml
index cf64b96c..6c2d34db 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,6 @@ publish = true
 [workspace]
 
 [dependencies]
-libc = "0.2"
 bzip2-sys = { version = "0.1.11", path = "bzip2-sys", optional = true }
 
 [dependencies.libbz2-rs-sys]
diff --git a/src/lib.rs b/src/lib.rs
index 9a0267dc..7ed58a50 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -60,7 +60,6 @@
 extern crate bzip2_sys as ffi;
 #[cfg(feature = "libbz2-rs-sys")]
 extern crate libbz2_rs_sys as ffi;
-extern crate libc;
 #[cfg(test)]
 extern crate partial_io;
 #[cfg(test)]
diff --git a/src/mem.rs b/src/mem.rs
index 8842a6ec..8330a488 100644
--- a/src/mem.rs
+++ b/src/mem.rs
@@ -6,7 +6,7 @@ use std::marker;
 use std::mem;
 use std::slice;
 
-use libc::{c_int, c_uint};
+use core::ffi::{c_int, c_uint};
 
 use crate::{ffi, Compression};