diff --git a/.github/workflows/skein.yml b/.github/workflows/skein.yml
new file mode 100644
index 00000000..8f16200c
--- /dev/null
+++ b/.github/workflows/skein.yml
@@ -0,0 +1,61 @@
+name: skein
+
+on:
+  pull_request:
+    paths:
+      - ".github/workflows/skein.yml"
+      - "skein/**"
+      - "Cargo.*"
+  push:
+    branches: master
+
+defaults:
+  run:
+    working-directory: skein
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.57.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v3
+      - uses: RustCrypto/actions/cargo-cache@master
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+          targets: ${{ matrix.target }}
+      - run: cargo build --no-default-features --target ${{ matrix.target }}
+
+  minimal-versions:
+    uses: RustCrypto/actions/.github/workflows/minimal-versions.yml@master
+    with:
+        working-directory: ${{ github.workflow }}
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.57.0 # MSRV
+          - stable
+    steps:
+      - uses: actions/checkout@v3
+      - uses: RustCrypto/actions/cargo-cache@master
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+      - run: cargo check --all-features
+      - run: cargo test --no-default-features
+      - run: cargo test
+      - run: cargo test --all-features
diff --git a/Cargo.lock b/Cargo.lock
index 0b1a94da..d7038a23 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -37,16 +37,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "cipher"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
-dependencies = [
- "crypto-common",
- "inout",
-]
-
 [[package]]
 name = "const-oid"
 version = "0.9.2"
@@ -139,15 +129,6 @@ dependencies = [
  "proc-macro-hack",
 ]
 
-[[package]]
-name = "inout"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "k12"
 version = "0.2.1"
@@ -288,16 +269,6 @@ dependencies = [
  "hex-literal",
 ]
 
-[[package]]
-name = "skein"
-version = "0.1.0"
-dependencies = [
- "block-buffer",
- "cipher",
- "digest",
- "threefish",
-]
-
 [[package]]
 name = "sm3"
 version = "0.4.2"
@@ -320,15 +291,6 @@ version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
-[[package]]
-name = "threefish"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ed5052bf97d0685ca1622567f5324cc0c6012f69df5aec85ab07c4633855618"
-dependencies = [
- "cipher",
-]
-
 [[package]]
 name = "tiger"
 version = "0.2.1"
diff --git a/Cargo.toml b/Cargo.toml
index 298a76e0..85c713c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,6 @@ members = [
     "sha2",
     "sha3",
     "shabal",
-    "skein",
     "sm3",
     "streebog",
     "tiger",
@@ -25,6 +24,7 @@ members = [
 exclude = [
     "ascon-hash",
     "belt-hash",
+    "skein",
 ]
 
 [profile.dev]