diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 7af4695..11c5f30 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -81,17 +81,12 @@ jobs:
         run: git clone https://git.pileof.rocks/drewcassidy/quicktex-test-images.git tests/images
 
       - name: Build wheels
-        uses: joerick/cibuildwheel@v2.3.1
+        uses: pypa/cibuildwheel@v2.3.1
         env:
           MACOSX_DEPLOYMENT_TARGET: "10.15"
-          CIBW_BUILD: "cp{37,38,39,310}-*"
-          CIBW_ARCHS_MACOS: ${{ matrix.arch }}
-          CIBW_ARCHS_LINUX: ${{ matrix.arch }}
-          CIBW_ARCHS_WINDOWS: "auto64"
-          CIBW_MANYLINUX_X86_64_IMAGE: "manylinux2014"
-          CIBW_MANYLINUX_AARCH64_IMAGE: "manylinux2014"
-          CIBW_TEST_EXTRAS: "tests"
-          CIBW_TEST_COMMAND: nosetests {project}/tests -d
+#          CIBW_ARCHS_MACOS: ${{ matrix.arch }}
+#          CIBW_ARCHS_LINUX: ${{ matrix.arch }}
+#          CIBW_ARCHS_WINDOWS: "auto64"
           CIBW_TEST_SKIP: "*-macosx_arm64"
 
       - name: Upload Wheels
diff --git a/.gitignore b/.gitignore
index 67b758e..a3cc259 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,9 +12,6 @@ docs/_build/
 #mypy
 out
 
-# Test images
-tests/images/
-
 # IDEs
 **/.idea
 
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index aecfec5..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,4 +0,0 @@
-[submodule "extern/pybind11"]
-	path = extern/pybind11
-	url = https://github.com/pybind/pybind11.git
-	branch = stable
diff --git a/pyproject.toml b/pyproject.toml
index b1e71a6..ac9e4be 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,13 +37,13 @@ dependencies = ["Pillow", "click"]
 dynamic = ["version"]
 
 [project.optional-dependencies]
-tests = ["nose", "parameterized"]
+tests = ["parameterized"]
 docs = ["sphinx", "myst-parser", "sphinx-rtd-theme"]
 stubs = ["pybind11-stubgen"]
 
 [project.urls]
-repository = "https://github.com/drewcassidy/quicktex"
-changelog = "https://github.com/drewcassidy/quicktex/blob/main/CHANGELOG.md"
+Source = "https://github.com/drewcassidy/quicktex"
+Changelog = "https://github.com/drewcassidy/quicktex/blob/main/CHANGELOG.md"
 
 [project.scripts]
 quicktex = "quicktex.__main__:main"
@@ -54,4 +54,11 @@ packages = { find = { include = ["quicktex*"] } } # only include quicktex and no
 package-data = { '*' = ['py.typed', '*.pyi'] } # include stubs
 package-dir = { '' = '.' } # without this line, C++ source files get included in the bdist
 
+[tool.cibuildwheel]
+build = "cp{37,38,39,310}-*"
+test-command = "python -m unittest --verbose
+test-extras = ["tests"]
+manylinux-x86_64-image = "manylinux2014"
+manylinux-aarch64-image = "manylinux2014"
+
 [tool.setuptools_scm]
diff --git a/tests/__init__.py b/tests/__init__.py
index 2030df7..c0dacea 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,9 +1,4 @@
 import os.path
+import unittest
 
-# Some checks to run before tests can begin
 images_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'images')
-
-assert os.path.isdir(images_path), 'test images repo not present'
-assert os.path.isfile(os.path.join(images_path, '__init__.py')), 'images __init__.py not present, is the test image repo present?'
-bp_size = os.path.getsize(os.path.join(images_path, 'Boilerplate.png'))
-assert bp_size == 955989, 'Boilerplate.png is the wrong size, is the test image repo checked out with LFS enabled?'
diff --git a/tests/images/Boilerplate.png b/tests/images/Boilerplate.png
new file mode 100644
index 0000000..39af9fc
Binary files /dev/null and b/tests/images/Boilerplate.png differ
diff --git a/tests/images/Bun.afdesign b/tests/images/Bun.afdesign
new file mode 100644
index 0000000..1e6ccc6
Binary files /dev/null and b/tests/images/Bun.afdesign differ
diff --git a/tests/images/Bun.png b/tests/images/Bun.png
new file mode 100644
index 0000000..a7fe2dd
Binary files /dev/null and b/tests/images/Bun.png differ
diff --git a/tests/images/__init__.py b/tests/images/__init__.py
new file mode 100644
index 0000000..fe4e782
--- /dev/null
+++ b/tests/images/__init__.py
@@ -0,0 +1,32 @@
+from PIL import Image
+from quicktex.s3tc.bc1 import BC1Block
+from quicktex.s3tc.bc4 import BC4Block
+from quicktex import RawTexture
+import os.path
+
+image_path = os.path.dirname(os.path.realpath(__file__))
+
+
+class BC1Blocks:
+    class Entry:
+        def __init__(self, filename, block):
+            path = os.path.join(image_path, 'bc1', filename)
+            self.image = Image.open(path).convert('RGBA')
+            self.texture = RawTexture.frombytes(self.image.tobytes('raw', 'RGBA'), *self.image.size)
+            self.block = block
+
+    greyscale = Entry('greyscale_unpacked.png', BC1Block.frombytes(b'\xFF\xFF\x49\x4A\x78\x78\x78\x78'))
+    three_color = Entry('3color_unpacked.png', BC1Block.frombytes(b'\xE0\x07\x00\xF8\x29\x29\x29\x29'))
+    three_color_black = Entry('3color_black_unpacked.png', BC1Block.frombytes(b'\xE0\x07\x00\xF8\x27\x27\x27\x27'))
+
+
+class BC4Blocks:
+    class Entry:
+        def __init__(self, filename, block):
+            path = os.path.join(image_path, 'bc4', filename)
+            self.image = Image.open(path).convert('RGBA')
+            self.texture = RawTexture.frombytes(self.image.tobytes('raw', 'RGBA'), *self.image.size)
+            self.block = block
+
+    six_value = Entry('6value.png', BC4Block(8, 248, [[0, 1, 2, 3]] * 2 + [[4, 5, 6, 7]] * 2))
+    eight_value = Entry('8value.png', BC4Block(240, 16, [[0, 1, 2, 3]] * 2 + [[4, 5, 6, 7]] * 2))
diff --git a/tests/images/bc1/3color.dds b/tests/images/bc1/3color.dds
new file mode 100644
index 0000000..9249781
Binary files /dev/null and b/tests/images/bc1/3color.dds differ
diff --git a/tests/images/bc1/3color.png b/tests/images/bc1/3color.png
new file mode 100644
index 0000000..be51c46
Binary files /dev/null and b/tests/images/bc1/3color.png differ
diff --git a/tests/images/bc1/3color_black.dds b/tests/images/bc1/3color_black.dds
new file mode 100644
index 0000000..a5490b8
Binary files /dev/null and b/tests/images/bc1/3color_black.dds differ
diff --git a/tests/images/bc1/3color_black.png b/tests/images/bc1/3color_black.png
new file mode 100644
index 0000000..3212ee2
Binary files /dev/null and b/tests/images/bc1/3color_black.png differ
diff --git a/tests/images/bc1/3color_black_unpacked.png b/tests/images/bc1/3color_black_unpacked.png
new file mode 100644
index 0000000..c58b66c
Binary files /dev/null and b/tests/images/bc1/3color_black_unpacked.png differ
diff --git a/tests/images/bc1/3color_unpacked.png b/tests/images/bc1/3color_unpacked.png
new file mode 100644
index 0000000..d312de5
Binary files /dev/null and b/tests/images/bc1/3color_unpacked.png differ
diff --git a/tests/images/bc1/greyscale.dds b/tests/images/bc1/greyscale.dds
new file mode 100644
index 0000000..7c470cf
Binary files /dev/null and b/tests/images/bc1/greyscale.dds differ
diff --git a/tests/images/bc1/greyscale.png b/tests/images/bc1/greyscale.png
new file mode 100644
index 0000000..0244d1d
Binary files /dev/null and b/tests/images/bc1/greyscale.png differ
diff --git a/tests/images/bc1/greyscale_unpacked.png b/tests/images/bc1/greyscale_unpacked.png
new file mode 100644
index 0000000..338e728
Binary files /dev/null and b/tests/images/bc1/greyscale_unpacked.png differ
diff --git a/tests/images/bc4/6value.dds b/tests/images/bc4/6value.dds
new file mode 100644
index 0000000..88fe171
Binary files /dev/null and b/tests/images/bc4/6value.dds differ
diff --git a/tests/images/bc4/6value.png b/tests/images/bc4/6value.png
new file mode 100644
index 0000000..bc9e727
Binary files /dev/null and b/tests/images/bc4/6value.png differ
diff --git a/tests/images/bc4/8value.dds b/tests/images/bc4/8value.dds
new file mode 100644
index 0000000..271f3eb
Binary files /dev/null and b/tests/images/bc4/8value.dds differ
diff --git a/tests/images/bc4/8value.png b/tests/images/bc4/8value.png
new file mode 100644
index 0000000..5189f35
Binary files /dev/null and b/tests/images/bc4/8value.png differ
diff --git a/tests/images/blocks.afdesign b/tests/images/blocks.afdesign
new file mode 100644
index 0000000..7dd9cc8
Binary files /dev/null and b/tests/images/blocks.afdesign differ
diff --git a/tests/test_bc1.py b/tests/test_bc1.py
index edd8880..97063c9 100644
--- a/tests/test_bc1.py
+++ b/tests/test_bc1.py
@@ -1,5 +1,4 @@
 import unittest
-import nose
 import os.path
 from parameterized import parameterized, parameterized_class
 import quicktex
@@ -108,9 +107,9 @@ class TestBC1Texture(unittest.TestCase):
         self.assertEqual(self.tex[-1, -1], self.tex[self.wb - 1, self.hb - 1], 'incorrect negative subscripting')
 
         with self.assertRaises(IndexError):
-            thing = self.tex[self.wb, self.hb]
+            _ = self.tex[self.wb, self.hb]
         with self.assertRaises(IndexError):
-            thing = self.tex[-1 - self.wb, -1 - self.hb]
+            _ = self.tex[-1 - self.wb, -1 - self.hb]
 
     def test_buffer(self):
         """Test the buffer protocol of BC1Texture"""
@@ -158,7 +157,8 @@ class TestBC1Encoder(unittest.TestCase):
 
         out_block = out_tex[0, 0]
 
-        if self.color_mode != BC1Encoder.ColorMode.FourColor:  # we only care about the selectors if we are in 3 color mode
+        if self.color_mode != BC1Encoder.ColorMode.FourColor:
+            # we only care about the selectors if we are in 3 color mode
             self.assertTrue(out_block.is_3color, 'returned 4-color block for 3 color test block')
             self.assertEqual(out_block, BC1Blocks.three_color.block, 'encoded block is incorrect')
         else:
@@ -173,7 +173,8 @@ class TestBC1Encoder(unittest.TestCase):
         out_block = out_tex[0, 0]
         has_black = 3 in [j for row in out_block.selectors for j in row]
 
-        if self.color_mode == BC1Encoder.ColorMode.ThreeColorBlack:  # we only care about the selectors if we are in 3 color black mode
+        if self.color_mode == BC1Encoder.ColorMode.ThreeColorBlack:
+            # we only care about the selectors if we are in 3 color black mode
             self.assertTrue(out_block.is_3color, 'returned 4-color block for 3 color test block with black')
             self.assertTrue(has_black, 'block does not have black pixels as expected')
             self.assertEqual(out_block, BC1Blocks.three_color_black.block, "encoded block is incorrect")
@@ -207,7 +208,3 @@ class TestBC1Decoder(unittest.TestCase):
         img_diff = ImageChops.difference(out_img, image).convert('L')
         img_hist = img_diff.histogram()
         self.assertEqual(16, img_hist[0], 'decoded block is incorrect')
-
-
-if __name__ == '__main__':
-    nose.main()
diff --git a/tests/test_bc4.py b/tests/test_bc4.py
index 23b3d25..5436886 100644
--- a/tests/test_bc4.py
+++ b/tests/test_bc4.py
@@ -1,13 +1,9 @@
 import unittest
-import nose
 from parameterized import parameterized, parameterized_class
 from quicktex.s3tc.bc4 import BC4Block, BC4Texture, BC4Encoder, BC4Decoder
 from tests.images import BC4Blocks
 from PIL import Image, ImageChops
 
-if __name__ == '__main__':
-    nose.main()
-
 
 class TestBC4Block(unittest.TestCase):
     """Tests for the BC1Block class"""
@@ -119,9 +115,9 @@ class TestBC4Texture(unittest.TestCase):
         self.assertEqual(self.tex[-1, -1], self.tex[self.wb - 1, self.hb - 1], 'incorrect negative subscripting')
 
         with self.assertRaises(IndexError):
-            thing = self.tex[self.wb, self.hb]
+            _ = self.tex[self.wb, self.hb]
         with self.assertRaises(IndexError):
-            thing = self.tex[-1 - self.wb, -1 - self.hb]
+            _ = self.tex[-1 - self.wb, -1 - self.hb]
 
     def test_buffer(self):
         """Test the buffer protocol of BC4Texture"""
diff --git a/tests/test_install.py b/tests/test_install.py
index 2eb704c..106d0e8 100644
--- a/tests/test_install.py
+++ b/tests/test_install.py
@@ -3,32 +3,21 @@
 import unittest
 import os.path
 import quicktex
-import nose
 
 tests_path = os.path.dirname(os.path.realpath(__file__))
 
 
-def test_images():
-    """Test for the images submodule"""
+class TestInstall(unittest.TestCase):
+    def test_version(self):
+        """Test if the extension module version matches what setuptools returns"""
+        try:
+            from importlib import metadata
+        except ImportError:
+            # Python < 3.8, so we cant get the metadata, so just check if it exists
+            assert quicktex.__version__
+            print(f'Cannot check version in python < 3.8. __version__ is {quicktex.__version__}')
+            return
 
-    images_path = os.path.join(tests_path, 'images')
+        version = metadata.version('quicktex')
 
-    assert os.path.isdir(images_path), 'test images repo not present. run "git clone https://git.pileof.rocks/drewcassidy/quicktex-test-images.git tests/images" to download them'
-    assert os.path.isfile(os.path.join(images_path, '__init__.py')), 'images __init__.py not present, is the test image repo present?'
-    bp_size = os.path.getsize(os.path.join(images_path, 'Boilerplate.png'))
-    assert bp_size == 955989, 'Boilerplate.png is the wrong size, is the test image repo checked out with LFS enabled?'
-
-
-def test_version():
-    """Test if the extension module version matches what setuptools returns"""
-    try:
-        from importlib import metadata
-    except ImportError:
-        # Python < 3.8, so we cant get the metadata, so just check if it exists
-        assert quicktex.__version__
-        print(f'Cannot check version in python < 3.8. __version__ is {quicktex.__version__}')
-        return
-
-    version = metadata.version('quicktex')
-
-    assert version == quicktex.__version__, 'incorrect version string from extension module'
+        assert version == quicktex.__version__, 'incorrect version string from extension module'
diff --git a/tests/test_texture.py b/tests/test_texture.py
index fa63a36..5d3323f 100644
--- a/tests/test_texture.py
+++ b/tests/test_texture.py
@@ -1,5 +1,4 @@
 import unittest
-import nose
 import os.path
 from tests.images import image_path
 from quicktex import RawTexture
@@ -57,7 +56,3 @@ class TestRawTexture(unittest.TestCase):
         """Test the frombytes factory function"""
         bytetex = RawTexture.frombytes(self.boilerplate_bytes, *self.boilerplate.size)
         self.assertEqual(self.boilerplate_bytes, bytetex.tobytes(), 'Incorrect bytes after writing to buffer')
-
-
-if __name__ == '__main__':
-    nose.main()