diff --git a/.gitignore b/.gitignore
index 790e54d..44a7656 100644
--- a/.gitignore
+++ b/.gitignore
@@ -66,3 +66,6 @@ config.toml
 # Images in root (e.g. reference screenshots)
 /image.png
 image*.png
+
+# Calibration debug captures
+calibrate_capture_*.png
diff --git a/calibrate_capture_20260416_092557.png b/calibrate_capture_20260416_092557.png
deleted file mode 100644
index d4d01e0..0000000
Binary files a/calibrate_capture_20260416_092557.png and /dev/null differ