diff --git a/Cargo.lock b/Cargo.lock
index a270c99..80f366d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -122,15 +122,6 @@ dependencies = [
  "hash32 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "lexical-core"
-version = "0.4.0"
-dependencies = [
- "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "ryu 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "static_assertions 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "log"
 version = "0.4.6"
@@ -208,11 +199,6 @@ dependencies = [
  "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "ryu"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "semver"
 version = "0.9.0"
@@ -239,7 +225,6 @@ name = "serde-json-core"
 version = "0.0.1"
 dependencies = [
  "heapless 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "lexical-core 0.4.0",
  "serde 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -285,11 +270,6 @@ name = "stable_deref_trait"
 version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "static_assertions"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "stm32h7"
 version = "0.7.0"
@@ -361,14 +341,12 @@ dependencies = [
 "checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
 "checksum rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0e7a549d590831370895ab7ba4ea0c1b6b011d106b5ff2da6eee112615e6dc0"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
-"checksum ryu 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "b96a9549dc8d48f2c283938303c4b5a77aa29bfbc5b54b084fb1630408899a8f"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum serde 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)" = "a72e9b96fa45ce22a4bc23da3858dfccfd60acd28a25bcd328a98fdd6bea43fd"
 "checksum serde_derive 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)" = "101b495b109a3e3ca8c4cbe44cf62391527cdfb6ba15821c5ce80bcd5ea23f9f"
 "checksum smoltcp 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fef582369edb298c6c41319a544ca9c4e83622f226055ccfcb35974fbb55ed34"
 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
-"checksum static_assertions 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "c19be23126415861cb3a23e501d34a708f7f9b2183c5252d690941c2e69199d5"
 "checksum stm32h7 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "64173a3f8edb1bf9e17b14861695da2a7e6ca98afc99e0f249b62e4962cc478d"
 "checksum syn 0.15.33 (registry+https://github.com/rust-lang/crates.io-index)" = "ec52cd796e5f01d0067225a5392e70084acc4c0013fa71d55166d38a8b307836"
 "checksum typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
diff --git a/Cargo.toml b/Cargo.toml
index 46643d6..ad5ab45 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,6 @@ heapless = { version = "0.4" }
 
 [patch.crates-io]
 serde-json-core = { path = "../serde-json-core" }
-lexical-core = { path = "../rust-lexical/lexical-core" }
 
 [dependencies.smoltcp]
 #git = "https://github.com/m-labs/smoltcp"