diff --git a/substrate/primitives/core/Cargo.toml b/substrate/primitives/core/Cargo.toml
index f7cc2b4fcf78..192a216273a6 100644
--- a/substrate/primitives/core/Cargo.toml
+++ b/substrate/primitives/core/Cargo.toml
@@ -98,7 +98,6 @@ std = [
 	"hash256-std-hasher/std",
 	"impl-serde/std",
 	"itertools",
-	"k256/std",
 	"libsecp256k1/std",
 	"log/std",
 	"merlin/std",