diff --git a/Cargo.lock b/Cargo.lock
index 3571187..f653124 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -676,7 +676,7 @@ dependencies = [
 [[package]]
 name = "duniter-bc-reader"
 version = "0.1.0"
-source = "git+https://git.duniter.org/nodes/rust/duniter-core#2b71d3e8f0bd223f84a010e500e2d47a99c0c4eb"
+source = "git+https://git.duniter.org/nodes/rust/duniter-core#f9abadd0145d848ba4df2ab545639355c7f20386"
 dependencies = [
  "anyhow",
  "dubp",
@@ -722,7 +722,7 @@ dependencies = [
 [[package]]
 name = "duniter-conf"
 version = "0.1.0"
-source = "git+https://git.duniter.org/nodes/rust/duniter-core#2b71d3e8f0bd223f84a010e500e2d47a99c0c4eb"
+source = "git+https://git.duniter.org/nodes/rust/duniter-core#f9abadd0145d848ba4df2ab545639355c7f20386"
 dependencies = [
  "dubp",
  "serde",
@@ -731,12 +731,11 @@ dependencies = [
 [[package]]
 name = "duniter-core"
 version = "1.8.1"
-source = "git+https://git.duniter.org/nodes/rust/duniter-core#2b71d3e8f0bd223f84a010e500e2d47a99c0c4eb"
+source = "git+https://git.duniter.org/nodes/rust/duniter-core#f9abadd0145d848ba4df2ab545639355c7f20386"
 dependencies = [
  "duniter-bc-reader",
  "duniter-conf",
  "duniter-dbs",
- "duniter-dbs-write-ops",
  "duniter-global",
  "duniter-mempools",
  "duniter-module",
@@ -745,7 +744,7 @@ dependencies = [
 [[package]]
 name = "duniter-dbs"
 version = "0.1.0"
-source = "git+https://git.duniter.org/nodes/rust/duniter-core#2b71d3e8f0bd223f84a010e500e2d47a99c0c4eb"
+source = "git+https://git.duniter.org/nodes/rust/duniter-core#f9abadd0145d848ba4df2ab545639355c7f20386"
 dependencies = [
  "arrayvec",
  "bincode",
@@ -768,7 +767,7 @@ dependencies = [
 [[package]]
 name = "duniter-dbs-write-ops"
 version = "0.1.0"
-source = "git+https://git.duniter.org/nodes/rust/duniter-core#2b71d3e8f0bd223f84a010e500e2d47a99c0c4eb"
+source = "git+https://git.duniter.org/nodes/rust/duniter-core#f9abadd0145d848ba4df2ab545639355c7f20386"
 dependencies = [
  "chrono",
  "dubp",
@@ -783,7 +782,7 @@ dependencies = [
 [[package]]
 name = "duniter-global"
 version = "1.8.1"
-source = "git+https://git.duniter.org/nodes/rust/duniter-core#2b71d3e8f0bd223f84a010e500e2d47a99c0c4eb"
+source = "git+https://git.duniter.org/nodes/rust/duniter-core#f9abadd0145d848ba4df2ab545639355c7f20386"
 dependencies = [
  "async-rwlock",
  "dubp",
@@ -834,7 +833,6 @@ dependencies = [
  "chrono",
  "dubp",
  "duniter-core",
- "kv_typed",
  "parking_lot",
  "paste",
  "serde",
@@ -902,7 +900,7 @@ dependencies = [
 [[package]]
 name = "duniter-mempools"
 version = "0.1.0"
-source = "git+https://git.duniter.org/nodes/rust/duniter-core#2b71d3e8f0bd223f84a010e500e2d47a99c0c4eb"
+source = "git+https://git.duniter.org/nodes/rust/duniter-core#f9abadd0145d848ba4df2ab545639355c7f20386"
 dependencies = [
  "dubp",
  "duniter-bc-reader",
@@ -915,7 +913,7 @@ dependencies = [
 [[package]]
 name = "duniter-module"
 version = "0.1.0"
-source = "git+https://git.duniter.org/nodes/rust/duniter-core#2b71d3e8f0bd223f84a010e500e2d47a99c0c4eb"
+source = "git+https://git.duniter.org/nodes/rust/duniter-core#f9abadd0145d848ba4df2ab545639355c7f20386"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -1418,7 +1416,7 @@ dependencies = [
 [[package]]
 name = "kv_typed"
 version = "0.1.0"
-source = "git+https://git.duniter.org/nodes/rust/duniter-core#2b71d3e8f0bd223f84a010e500e2d47a99c0c4eb"
+source = "git+https://git.duniter.org/nodes/rust/duniter-core#f9abadd0145d848ba4df2ab545639355c7f20386"
 dependencies = [
  "byteorder",
  "cfg-if 0.1.10",
diff --git a/db/Cargo.toml b/db/Cargo.toml
index 5296953..98ffcdf 100644
--- a/db/Cargo.toml
+++ b/db/Cargo.toml
@@ -15,7 +15,6 @@ bincode = "1.2.1"
 chrono = { version = "0.4.15", optional = true }
 duniter-core = { git = "https://git.duniter.org/nodes/rust/duniter-core" }
 dubp = { version = "0.51.0", features = ["duniter"] }
-kv_typed = { git = "https://git.duniter.org/nodes/rust/duniter-core", default-features = false, features = ["sled_backend"] }
 parking_lot = "0.11.0"
 paste = "1.0.2"
 serde = { version = "1.0.105", features = ["derive"] }
@@ -28,5 +27,5 @@ zerocopy = "0.3.0"
 [features]
 #default = ["explorer"]
 
-explorer = ["chrono", "duniter-core/explorer", "kv_typed/explorer"]
-leveldb_backend = ["kv_typed/leveldb_backend"]
+explorer = ["chrono", "duniter-core/explorer"]
+leveldb_backend = ["duniter-core/leveldb_backend"]
diff --git a/db/src/lib.rs b/db/src/lib.rs
index d1113e6..e704870 100644
--- a/db/src/lib.rs
+++ b/db/src/lib.rs
@@ -34,12 +34,13 @@ pub use values::wallet_script_array::WalletScriptArrayV2;
 pub(crate) use dubp::common::prelude::*;
 pub(crate) use dubp::crypto::hashs::Hash;
 pub(crate) use dubp::wallet::prelude::*;
+pub(crate) use duniter_core::dbs::kv_typed;
+pub(crate) use duniter_core::dbs::kv_typed::db_schema;
+pub(crate) use duniter_core::dbs::kv_typed::prelude::*;
 pub(crate) use duniter_core::dbs::smallvec::SmallVec;
 pub(crate) use duniter_core::dbs::{
     CorruptedBytes, HashKeyV2, PubKeyKeyV2, SourceAmountValV2, ToDumpString, WalletConditionsV2,
 };
-pub(crate) use kv_typed::db_schema;
-pub(crate) use kv_typed::prelude::*;
 pub(crate) use serde::{Deserialize, Serialize};
 pub(crate) use std::collections::BTreeSet;