diff --git a/Cargo.toml b/Cargo.toml
index 05b091a4c14e585cf93c0c239cef3d0b79ee79a1..64be16415fa1a83a620f3fb0cfb9eca3e18be558 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -177,7 +177,6 @@ httparse = { opt-level = 3 }
 integer-sqrt = { opt-level = 3 }
 keccak = { opt-level = 3 }
 libm = { opt-level = 3 }
-librocksdb-sys = { opt-level = 3 }
 libsecp256k1 = { opt-level = 3 }
 libz-sys = { opt-level = 3 }
 mio = { opt-level = 3 }