diff --git a/.github/codecov.yml b/.github/codecov.yml
new file mode 100644
index 0000000..13bb960
--- /dev/null
+++ b/.github/codecov.yml
@@ -0,0 +1,12 @@
+codecov:
+  notify:
+    after_n_builds: 3
+coverage:
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 5%
+    patch:
+      default:
+        informational: true
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..87f4603
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      dependencies:
+        patterns:
+          - "*"
diff --git a/.github/release.yml b/.github/release.yml
new file mode 100644
index 0000000..9d1e098
--- /dev/null
+++ b/.github/release.yml
@@ -0,0 +1,5 @@
+changelog:
+  exclude:
+    authors:
+      - dependabot
+      - pre-commit-ci
diff --git a/src/creation.cpp b/src/creation.cpp
index 92ffe70..5ca76a6 100644
--- a/src/creation.cpp
+++ b/src/creation.cpp
@@ -12,12 +12,9 @@
 #include <s2geography.h>
 #include <s2geography/geography.h>
 
-#include <array>
-#include <functional>
 #include <memory>
 #include <sstream>
 #include <stdexcept>
-#include <type_traits>
 #include <utility>
 #include <vector>
 
diff --git a/src/geography.cpp b/src/geography.cpp
index 8651f99..ec56d5f 100644
--- a/src/geography.cpp
+++ b/src/geography.cpp
@@ -13,15 +13,10 @@
 #include <s2geography/predicates.h>
 #include <s2geography/wkt-writer.h>
 
-#include <cstddef>
 #include <memory>
-#include <optional>
-#include <sstream>
-#include <stdexcept>
 #include <string>
 #include <type_traits>
 #include <utility>
-#include <variant>
 #include <vector>
 
 #include "pybind11.hpp"
diff --git a/src/geography.hpp b/src/geography.hpp
index c703647..ca0c89f 100644
--- a/src/geography.hpp
+++ b/src/geography.hpp
@@ -7,7 +7,6 @@
 #include <exception>
 #include <memory>
 #include <string>
-#include <type_traits>
 
 namespace py = pybind11;
 namespace s2geog = s2geography;
diff --git a/src/projections.cpp b/src/projections.cpp
index c5fefad..82ceefd 100644
--- a/src/projections.cpp
+++ b/src/projections.cpp
@@ -1,13 +1,10 @@
 #include "projections.hpp"
 
+#include <pybind11/pybind11.h>
 #include <s2/s2projections.h>
 #include <s2geography.h>
 
-#include "geography.hpp"
-#include "pybind11.hpp"
-
 namespace py = pybind11;
-using namespace spherely;
 
 void init_projections(py::module& m) {
     py::class_<Projection> projection(m, "Projection", R"pbdoc(
diff --git a/src/projections.hpp b/src/projections.hpp
index f91f9a0..e39d119 100644
--- a/src/projections.hpp
+++ b/src/projections.hpp
@@ -5,10 +5,7 @@
 #include <s2/s2projections.h>
 #include <s2geography.h>
 
-#include "pybind11.hpp"
-
 namespace s2geog = s2geography;
-using namespace spherely;
 
 class Projection {
 public: