diff --git a/Cargo.toml b/Cargo.toml
index 82419603c..4b50edd0b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,6 @@ rand = "~0.8.5"
 rand_chacha = "~0.3.1"
 rayon = "1.5.1"
 thiserror = "1.0"
-num_cpus = "1.13.0"
 itertools = "~0.10.0"
 tempfile = "3.6.0"
 xor_name = "5.0.0"