diff --git a/MANIFEST.in b/MANIFEST.in
index 5de01190..1f2e5741 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,6 +2,5 @@ include pkgutils.py
 include LICENSE.md
 include CREDITS.md
 include CHANGELOG.md
-recursive-include setup *
 recursive-include novelwriter/assets *
-recursive-include sample *.nwx *.nwd
+recursive-include setup *
diff --git a/setup.cfg b/setup.cfg
index b9572076..497f444a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -38,7 +38,7 @@ install_requires =
     pyenchant>=3.0.0
 
 [options.packages.find]
-exclude = docs, tests, sample
+include = novelwriter*
 
 [options.entry_points]
 console_script =
diff --git a/setup.py b/setup.py
deleted file mode 100755
index c83c9112..00000000
--- a/setup.py
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env python3
-
-import setuptools  # noqa: F401
-import warnings  # noqa: F401
-
-warnings.warn(
-    "The setuptools style setup.py script is deprecated and will be "
-    "removed in a future release. Please don't use the 'setup.py install' "
-    "command, and instead use the pip and build commands.",
-    DeprecationWarning
-)
-
-setuptools.setup()