diff --git a/.gitignore b/.gitignore
index 09849a6..3312029 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,5 +11,6 @@
 .claude
 .codex
 .gitlab-ci-local
-
-
+# build artefacts
+*.tar.gz
+*.Rcheck/
diff --git a/RKorAPClient_1.4.0.tar.gz b/RKorAPClient_1.4.0.tar.gz
deleted file mode 100644
index 04f08eb..0000000
--- a/RKorAPClient_1.4.0.tar.gz
+++ /dev/null
Binary files differ