diff --git a/Cargo.lock b/Cargo.lock
index debf6bcaaf..f8419d849f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -623,19 +623,14 @@ dependencies = [
  "codechain-timer",
  "codechain-types",
  "kvdb",
- "kvdb-memorydb",
  "log 0.4.8",
  "merkle-trie",
  "never-type",
- "parking_lot 0.6.4",
  "primitives",
  "rand 0.6.1",
  "rlp",
  "snap",
- "tempfile",
- "time",
  "token-generator",
- "trie-standardmap",
 ]
 
 [[package]]
@@ -3359,16 +3354,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "trie-standardmap"
-version = "0.3.0"
-source = "git+https://github.com/CodeChain-io/trie-standardmap.git#190b7a3b43adc063e0d7c5043afc1ff9d981c870"
-dependencies = [
- "codechain-crypto",
- "primitives",
- "rlp",
-]
-
 [[package]]
 name = "try-lock"
 version = "0.2.2"
diff --git a/sync/Cargo.toml b/sync/Cargo.toml
index 55c1d28bbb..7681a50fdc 100644
--- a/sync/Cargo.toml
+++ b/sync/Cargo.toml
@@ -20,15 +20,8 @@ kvdb = "0.1"
 log = "0.4.6"
 merkle-trie = { git = "https://github.com/CodeChain-io/rust-merkle-trie.git", version = "0.4" }
 never-type = "0.1.0"
-parking_lot = "0.6.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 rand = "0.6.1"
 rlp = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.4" }
 snap = "0.2"
-time = "0.1"
 token-generator = "0.1.0"
-
-[dev-dependencies]
-kvdb-memorydb = "0.1"
-tempfile = "3.0.4"
-trie-standardmap = { git = "https://github.com/CodeChain-io/trie-standardmap.git", version = "0.3" }