diff --git a/bindings/pyroot/pythonizations/CMakeLists.txt b/bindings/pyroot/pythonizations/CMakeLists.txt
index 40207644a410b..68b632c2ae0a4 100644
--- a/bindings/pyroot/pythonizations/CMakeLists.txt
+++ b/bindings/pyroot/pythonizations/CMakeLists.txt
@@ -157,9 +157,10 @@ endforeach()
 
 # The Python version at build time should be easy to figure out from Python, so
 # we can raise an exception if the used Python version is not compatible.
+# The file will be implicitly installed by install(DIRECTORY ...) in the
+# ROOT_PYTHON_PACKAGE function.
 set(python_version_file "${localruntimedir}/ROOT/_python_version.py")
 file(WRITE "${python_version_file}" "_root_python_version = \"${Python3_VERSION}\"\n")
-install(FILES "${python_version_file}" DESTINATION "${CMAKE_INSTALL_PYTHONDIR}")
 
 # A custom target that depends on the Python sources being present in the build
 # directory. This will be used as a dependency of the pythonization libraries,