diff --git a/pyproject.toml b/pyproject.toml
index 4d73054..5a5380f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,3 @@
-[tool.coverage.run]
-concurrency = ["multiprocessing"]
-
 [tool.isort]
 profile = "black"
 src_paths = ["inboard", "tests"]