diff --git a/.gitignore b/.gitignore
index a3978869..d1e0d496 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,5 +45,3 @@ htmlcov/
 # Jupyter Notebook
 .ipynb_checkpoints/
 .virtual_documents/
-
-data/
diff --git a/pyproject.toml b/pyproject.toml
index 5a08eea1..a95866e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,13 +57,12 @@ cli = [
 [tool.hatch.build]
 packages = [
     "reasoning_gym",
-    "tools.cli.rgc"
+    "tools.cli.rgc",
 ]
 include = [
     "reasoning_gym/**/*.py",
     "reasoning_gym/**/*.txt",
-    "reasoning_gym/**/levels/*",
-    "tools/cli/rgc/**/*.py"
+    "tools/cli/rgc/**/*.py",
 ]
 
 [project.scripts]