diff --git a/test_cupy_slow.sh b/test_cupy_slow.sh
index aa73d0c1..9e4ba9b6 100755
--- a/test_cupy_slow.sh
+++ b/test_cupy_slow.sh
@@ -7,7 +7,7 @@ export PYTHONWARNINGS="ignore::FutureWarning"
 export CUPY_DUMP_CUDA_SOURCE_ON_ERROR=1
 
 if [ $CUDNN = none ]; then
-  python -m pytest --cov-report=xml --cov -m 'slow and not cudnn' tests
+  python -m pytest --cov -m 'slow and not cudnn' tests
 else
-  python -m pytest --cov-report=xml --cov -m 'slow' tests
+  python -m pytest --cov -m 'slow' tests
 fi
diff --git a/test_slow.sh b/test_slow.sh
index ec802aeb..27fe9873 100755
--- a/test_slow.sh
+++ b/test_slow.sh
@@ -16,7 +16,7 @@ export PYTHONWARNINGS="ignore::FutureWarning"
 export CUPY_DUMP_CUDA_SOURCE_ON_ERROR=1
 
 if [ $CUDNN = none ]; then
-  python -m pytest --cov-report=xml --cov -m 'slow and not cudnn' tests
+  python -m pytest --cov -m 'slow and not cudnn' tests
 else
-  python -m pytest --cov-report=xml --cov -m 'slow' tests
+  python -m pytest --cov -m 'slow' tests
 fi