diff --git a/src/ncc/Abstracts/AuthenticationSource.php b/src/ncc/Abstracts/AuthenticationSource.php
deleted file mode 100644
index c5b29f8..0000000
--- a/src/ncc/Abstracts/AuthenticationSource.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-    namespace ncc\Abstracts;
-
-    abstract class AuthenticationSource
-    {
-        const None = 'NONE';
-
-        const ServerProvided = 'SERVER_PROVIDED';
-
-        const UserProvided = 'USER_PROVIDED';
-    }
\ No newline at end of file
diff --git a/src/ncc/Abstracts/BuiltinRemoteSourceType.php b/src/ncc/Abstracts/BuiltinRemoteSourceType.php
deleted file mode 100644
index 4f3eeb3..0000000
--- a/src/ncc/Abstracts/BuiltinRemoteSourceType.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-    namespace ncc\Abstracts;
-
-    abstract class BuiltinRemoteSourceType
-    {
-        /**
-         * The remote source indicates the package is to be
-         * fetched using the composer utility.
-         */
-        const Composer = 'composer';
-
-
-        const All = [
-            self::Composer
-        ];
-    }
\ No newline at end of file
diff --git a/src/ncc/Abstracts/CompilerOptions.php b/src/ncc/Abstracts/CompilerOptions.php
deleted file mode 100644
index 1f4b029..0000000
--- a/src/ncc/Abstracts/CompilerOptions.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-    namespace ncc\Abstracts;
-
-    abstract class CompilerOptions
-    {
-
-    }
\ No newline at end of file
diff --git a/src/ncc/Abstracts/ComposerPackageTypes.php b/src/ncc/Abstracts/ComposerPackageTypes.php
index c434404..0f8055d 100644
--- a/src/ncc/Abstracts/ComposerPackageTypes.php
+++ b/src/ncc/Abstracts/ComposerPackageTypes.php
@@ -12,7 +12,7 @@
         /**
          * This denotes a project rather than a library. For example
          * application shells like the Symfony standard edition, CMSs
-         * like the SilverStripe instlaler or full-fledged applications
+         * like the SilverStripe installer or full-fledged applications
          * distributed as packages. This can for example be used by IDEs
          * to provide listings of projects to initialize when creating
          * a new workspace.
diff --git a/src/ncc/Abstracts/StringPaddingMethod.php b/src/ncc/Abstracts/StringPaddingMethod.php
deleted file mode 100644
index a9e113e..0000000
--- a/src/ncc/Abstracts/StringPaddingMethod.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-namespace ncc\Abstracts;
-
-    abstract class StringPaddingMethod
-    {
-        const LEFT = 'LEFT';
-
-        const RIGHT = 'RIGHT';
-
-        const BOTH = 'BOTH';
-    }
\ No newline at end of file
diff --git a/src/ncc/Exceptions/InvalidProjectNameException.php b/src/ncc/Exceptions/InvalidProjectNameException.php
index 8778bce..67e1eba 100644
--- a/src/ncc/Exceptions/InvalidProjectNameException.php
+++ b/src/ncc/Exceptions/InvalidProjectNameException.php
@@ -14,6 +14,6 @@
          */
         public function __construct(string $message = "", ?Throwable $previous = null)
         {
-            parent::__construct($message, ExceptionCodes::InvalidVersionNumberException, $previous);
+            parent::__construct($message, ExceptionCodes::InvalidProjectNameException, $previous);
         }
     }
\ No newline at end of file