diff --git a/MDANSE_GUI/pyproject.toml b/MDANSE_GUI/pyproject.toml
index 53d465e05..72c184f87 100644
--- a/MDANSE_GUI/pyproject.toml
+++ b/MDANSE_GUI/pyproject.toml
@@ -54,7 +54,6 @@ include-package-data = true
 
 [tool.setuptools.package-data]
 MDANSE_GUI = ["Icons/*.png", "Icons/*.ico",
-              "MolecularViewer/database/*.yml",
               "Resources/*.toml", "Resources/*.png"]
 
 [project.gui-scripts]