diff --git a/ddsim/__init__.py b/ddsim/__init__.py
index 250db12..0e31026 100644
--- a/ddsim/__init__.py
+++ b/ddsim/__init__.py
@@ -3,4 +3,4 @@
 from .ddsim_manager import DDSimManager
 from .logger import Logger
 
-__all__ = ["DDSimManager", "Logger", "NvmlMonitor"]
+__all__ = ["DDSimManager", "Logger"]
diff --git a/pyproject.toml b/pyproject.toml
index 952b0e6..fde14a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,10 @@ requires-python = ">=3.9"
 dependencies = ["rhapsody-py", "pyyaml", "radical.asyncflow>=0.3.0"]
 
 [tool.setuptools.packages.find]
-include = ["ddsim*", "workflows*"]
+# the distribution ships the ddsim library only; the workflows/ tree is
+# repo-level example content (cluster-specific configs and data), used
+# from a checkout
+include = ["ddsim*"]
 
 [project.urls]
 Homepage = "https://github.com/radical-collaboration/DeepDriveSim"