diff --git a/parity-util-mem/Cargo.toml b/parity-util-mem/Cargo.toml
index 16862de30..7b097f7e8 100644
--- a/parity-util-mem/Cargo.toml
+++ b/parity-util-mem/Cargo.toml
@@ -13,7 +13,7 @@ dlmalloc = { version = "0.1.3", features = ["global"], optional = true }
 wee_alloc = { version = "0.4.5", optional = true }
 lru = { version = "0.4", optional = true }
 hashbrown = { version = "0.6", optional = true }
-mimalloc = { version = "0.1.18", default-features = false, optional = true }
+mimalloc = { version = "0.1.18", optional = true }
 libmimalloc-sys = { version = "0.1.14", optional = true }
 parity-util-mem-derive = { path = "derive", version = "0.1" }
 impl-trait-for-tuples = "0.1.3"