diff --git a/modules/fee-market/Cargo.toml b/modules/fee-market/Cargo.toml
index 14c8c3966..92df3fbd0 100644
--- a/modules/fee-market/Cargo.toml
+++ b/modules/fee-market/Cargo.toml
@@ -11,7 +11,6 @@ version     = "0.1.0"
 
 [dependencies]
 # crates.io
-bitvec     = { version = "1", default-features = false, features = ["alloc"] }
 codec      = { package = "parity-scale-codec", version = "3.0.0", default-features = false }
 scale-info = { version = "2.0.1", default-features = false, features = ["derive"] }
 # paritytech
@@ -25,10 +24,11 @@ sp-runtime         = { git = "https://github.com/paritytech/substrate", branch =
 sp-std             = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 # darwinia-bridges-substrate
 bp-messages            = { default-features = false, path = "../../primitives/messages" }
-bp-runtime             = { default-features = false, path = "../../primitives/runtime"  }
+bp-runtime             = { default-features = false, path = "../../primitives/runtime" }
 pallet-bridge-messages = { default-features = false, path = "../messages" }
 
 [dev-dependencies]
+bitvec          = { version = "1" }
 pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 [features]
@@ -36,7 +36,6 @@ default = ["std"]
 
 std = [
 	# crates.io
-	"bitvec/std",
 	"codec/std",
 	"scale-info/std",
 	# paritytech