diff --git a/.gitignore b/.gitignore
index 7f7b408023..65b19d9f4c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,9 @@ build
 .envrc
 .DS_Store
 
+# OptiX disk cache database files
+optix*cache.db*
+
 # AI coding tool directories — generated locally by .agents/setup-agent
 .claude/
 .codex/
diff --git a/testsuite/render-oren-nayar/OPTIX_CACHE/optix7cache.db b/testsuite/render-oren-nayar/OPTIX_CACHE/optix7cache.db
deleted file mode 100644
index feb40a1c62..0000000000
Binary files a/testsuite/render-oren-nayar/OPTIX_CACHE/optix7cache.db and /dev/null differ