diff --git a/backend/run_mypy.sh b/backend/run_mypy.sh
index fc69074..4403797 100755
--- a/backend/run_mypy.sh
+++ b/backend/run_mypy.sh
@@ -6,4 +6,4 @@ set -o errexit
 # change directory to the project root directory.
 cd "$(dirname "$0")"
 
-mypy --pretty --package streams_explorer --package tests --namespace-packages --config-file mypy.ini
+mypy --pretty --package streams_explorer --package tests --namespace-packages