diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..f38e8cc
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,35 @@
+name: Rust
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  lint-test:
+    name: Lint and Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Cargo fmt
+        run: cargo fmt --all -- --check
+
+      - name: "clippy --all"
+        run: cargo clippy --all --all-features --tests -- -D warnings
+
+      - name: "cargo check"
+        run: cargo check --all --all-features
+
+      - name: "cargo test"
+        run: |
+          cargo test --all
+          cargo test --all --all-features
diff --git a/Cargo.toml b/Cargo.toml
index 2cea941..f17ba0f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,8 +9,7 @@ bytes = "1.7.0"
 flate2 = "1.0.20"
 futures = "0.3.31"
 jpeg = { package = "jpeg-decoder", version = "0.3.0", default-features = false }
-ndarray = "*"
-num_enum = "*"
+num_enum = "0.7.3"
 object_store = "0.11"
 thiserror = "1"
 tiff = "0.9"
diff --git a/src/geo/geo_key_directory.rs b/src/geo/geo_key_directory.rs
index 3c4dc09..3094310 100644
--- a/src/geo/geo_key_directory.rs
+++ b/src/geo/geo_key_directory.rs
@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use std::collections::HashMap;
 
 use num_enum::{IntoPrimitive, TryFromPrimitive};
diff --git a/src/geo/partial_reads.rs b/src/geo/partial_reads.rs
index b60e778..b8b4e58 100644
--- a/src/geo/partial_reads.rs
+++ b/src/geo/partial_reads.rs
@@ -1,3 +1,4 @@
+#[allow(dead_code)]
 struct TileMetadata {
     /// top left corner of the partial read
     tlx: f64,
diff --git a/src/lib.rs b/src/lib.rs
index cccde57..f4e9774 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,6 @@ mod decoder;
 pub mod error;
 pub mod geo;
 mod ifd;
-mod tag;
 
 pub use async_reader::{AsyncFileReader, ObjectReader};
 pub use cog::COGReader;
diff --git a/src/tag.rs b/src/tag.rs
deleted file mode 100644
index e69de29..0000000