diff --git a/src/Exception/FileTypeNotSupportedException.php b/src/Exception/FileTypeNotSupportedException.php
deleted file mode 100644
index 6582724..0000000
--- a/src/Exception/FileTypeNotSupportedException.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace DanBettles\Marigold\Exception;
-
-use RuntimeException;
-use Throwable;
-
-use function implode;
-
-use const null;
-
-// @todo Remove this?
-class FileTypeNotSupportedException extends RuntimeException
-{
-    /**
-     * @param string[] $supportedTypes
-     */
-    public function __construct(
-        string $unsupportedType,
-        array $supportedTypes = [],
-        int $code = 0,
-        ?Throwable $previous = null
-    ) {
-        $message = "The file-type `{$unsupportedType}` is not supported.";
-
-        if ($supportedTypes) {
-            $message .= '  Supported types: ' . implode('; ', $supportedTypes);
-        }
-
-        parent::__construct($message, $code, $previous);
-    }
-}
diff --git a/tests/src/Exception/FileTypeNotSupportedExceptionTest.php b/tests/src/Exception/FileTypeNotSupportedExceptionTest.php
deleted file mode 100755
index f334489..0000000
--- a/tests/src/Exception/FileTypeNotSupportedExceptionTest.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace DanBettles\Marigold\Tests\Exception;
-
-use DanBettles\Marigold\AbstractTestCase;
-use DanBettles\Marigold\Exception\FileTypeNotSupportedException;
-use RuntimeException;
-
-class FileTypeNotSupportedExceptionTest extends AbstractTestCase
-{
-    public function testIsARuntimeexception(): void
-    {
-        $this->assertTrue($this->getTestedClass()->isSubclassOf(RuntimeException::class));
-    }
-
-    public function testCanBeThrownWithOnlyTheNameOfTheInvalidFileType(): void
-    {
-        $this->expectException(FileTypeNotSupportedException::class);
-        $this->expectExceptionMessage('The file-type `foo` is not supported.');
-
-        throw new FileTypeNotSupportedException('foo');
-    }
-
-    public function testCanBeThrownWithAListOfSupportedTypes(): void
-    {
-        $this->expectException(FileTypeNotSupportedException::class);
-        $this->expectExceptionMessage('The file-type `foo` is not supported.  Supported types: bar; baz');
-
-        throw new FileTypeNotSupportedException('foo', ['bar', 'baz']);
-    }
-}