diff --git a/src/csv_backend/csv_backend.a b/src/csv_backend/csv_backend.a
deleted file mode 100644
index 089731b..0000000
Binary files a/src/csv_backend/csv_backend.a and /dev/null differ
diff --git a/src/csv_backend/csv_backend.o b/src/csv_backend/csv_backend.o
deleted file mode 100644
index e0a99f3..0000000
Binary files a/src/csv_backend/csv_backend.o and /dev/null differ
diff --git a/src/csv_backend/csv_backend_test b/src/csv_backend/csv_backend_test
deleted file mode 100755
index 9e55325..0000000
Binary files a/src/csv_backend/csv_backend_test and /dev/null differ