diff --git a/pyproject.toml b/pyproject.toml
index a06136c..54bdc1a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,6 @@ doc = [
     "sphinx-click >=3.1",
 ]
 test = [
-    "fileformats-testing",
     "frametree-bids",
     "medimages4tests >=0.3",
     "pipeline2app",