diff --git a/Cargo.lock b/Cargo.lock
index 477783b..e44482c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -92,15 +92,6 @@ dependencies = [
  "cortex-m 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "embedded-hal"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "nb 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "git2"
 version = "0.7.5"
@@ -176,11 +167,6 @@ name = "matches"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "nb"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "panic-abort"
 version = "0.3.1"
@@ -302,7 +288,6 @@ dependencies = [
  "cortex-m 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-log 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rt 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "embedded-hal 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "panic-abort 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "panic-semihosting 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -390,11 +375,6 @@ name = "vcpkg"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "void"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "volatile-register"
 version = "0.2.0"
@@ -435,7 +415,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum cortex-m-rt 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7e1ccc9052352415ec4e3f762f4541098d012016f9354a1a5b2dede39b67f426"
 "checksum cortex-m-rt-macros 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d7ae692573e0acccb1579fef1abf5a5bf1d2f3f0149a22b16870ec9309aee25f"
 "checksum cortex-m-semihosting 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d1dc2abec1a772e8bb697cad17d5710f180043caf8939820f0f6ba4b7ae2a4b5"
-"checksum embedded-hal 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9880e55238830314d41d88f1ac7a819d495799c3cc3bc392cc172bab26428c33"
 "checksum git2 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)" = "591f8be1674b421644b6c030969520bc3fa12114d2eb467471982ed3e9584e71"
 "checksum idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
 "checksum libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)" = "bedcc7a809076656486ffe045abeeac163da1b558e963a31e29fbfbeba916917"
@@ -445,7 +424,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum managed 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fdcec5e97041c7f0f1c5b7d93f12e57293c831c646f4cc7a5db59460c7ea8de6"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
-"checksum nb 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "69f380b5fe9fab8c0d7a6a99cda23e2cc0463bedb2cbc3aada0813b98496ecdc"
 "checksum panic-abort 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2c14a66511ed17b6a8b4256b868d7fd207836d891db15eea5195dbcaf87e630f"
 "checksum panic-semihosting 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a647d81e7b00f69deac766cd96d69fc11c95c18657d2448b539ae93e4c558689"
 "checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
@@ -473,7 +451,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
 "checksum vcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "45c297f0afb6928cd08ab1ff9d95e99392595ea25ae1b5ecf822ff8764e57a0d"
 "checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
-"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0d67cb4616d99b940db1d6bd28844ff97108b498a6ca850e5b6191a532063286"
 "checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
diff --git a/Cargo.toml b/Cargo.toml
index 2b9bd49..a2a7108 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,7 +32,6 @@ cortex-m-rt = { version = "0.6", features = ["device"] }
 cortex-m-log = { version = "0.4", features = ["log-integration"] }
 stm32h7 = { version = "0.6", features = ["stm32h7x3", "rt"] }
 # stm32h7 = { path = "../stm32-rs/stm32h7", features = ["stm32h7x3", "rt"] }
-embedded-hal = "0.2"
 log = "0.4"
 panic-abort = "0.3"
 panic-semihosting = { version = "0.5", optional = true }