diff --git a/tests/conftest.py b/tests/conftest.py
index 8b9bd31b..472f57b8 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -29,7 +29,6 @@ def install_required_packages():
     print(f'{__file__}:install_required_packages)(): Running: {command}', flush=1)
     subprocess.run(command, shell=1, check=1)
 
-install_required_packages()
 
 # Need to import pymupdf only after we've installed pymupdf-fonts above,
 # because pymupdf imports pymupdf_fonts, and copes with import failure.