diff --git a/pyproject.toml b/pyproject.toml
index f37fb2b..e7e0f3e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,6 +41,7 @@ source = ["omicron"]
 
 [tool.coverage.report]
 show_missing = true
+exclude_also = ["@(abc\\.)?abstractmethod"]
 
 [tool.setuptools.packages.find]
 where = ["."]