diff --git a/.cargo/config b/.cargo/config
index 2d3e7720..e6a54a5f 100644
--- a/.cargo/config
+++ b/.cargo/config
@@ -1,3 +1,7 @@
+[unstable]
+build-std = ["core"]
+build-std-features = ["compiler-builtins-mem"]
+
 # Usefult for debugging image size issues. Uncomment line below when necessary.
 [build]
 # rustflags = ["-Clink-args=-Map=./target/nanos/debug/babylon-ledger-app.map"]
diff --git a/Cargo.toml b/Cargo.toml
index 7d80e477..47955826 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,29 +20,11 @@ lto = false
 opt-level = "z"
 lto = false
 
-[package.metadata.nanos]
+[package.metadata.ledger]
 curve = ["secp256k1", "ed25519"]
 flags = "0x240"
-icon = "icons/nanos_app_radix.gif"
-icon_small = "icons/nanos_app_radix.gif"
 path = ["44'/1022'"]
 name = "Radix Babylon"
-api_level = "1"
-
-[package.metadata.nanox]
-curve = ["secp256k1", "ed25519"]
-flags = "0x240"
-icon = "icons/nanox_app_radix.gif"
-icon_small = "icons/nanox_app_radix.gif"
-path = ["44'/1022'"]
-name = "Radix Babylon"
-api_level = "1"
-
-[package.metadata.nanosplus]
-curve = ["secp256k1", "ed25519"]
-flags = "0x240"
-icon = "icons/nanox_app_radix.gif"
-icon_small = "icons/nanox_app_radix.gif"
-path = ["44'/1022'"]
-name = "Radix Babylon"
-api_level = "1"
+nanos.icon = "icons/nanos_app_radix.gif"
+nanox.icon = "icons/nanox_app_radix.gif"
+nanosplus.icon = "icons/nanox_app_radix.gif"
\ No newline at end of file