diff --git a/tests/testthat/setup.R b/tests/testthat/setup.R
new file mode 100644
index 0000000..57b49e6
--- /dev/null
+++ b/tests/testthat/setup.R
@@ -0,0 +1,9 @@
+cleanup <- function() {
+  cachedir <- tools::R_user_dir("snvecR", which = "cache")
+  if (dir.exists(cachedir)) {
+    cli::cli_inform("Removing {.file {cachedir}} from reproducible environment.")
+    unlink(cachedir, recursive = TRUE)
+  }
+}
+
+withr::defer(cleanup(), teardown_env())