diff --git a/.woodpecker.yml b/.woodpecker.yml
index 910db0ce9..0b8b6f8c8 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -75,6 +75,14 @@ steps:
       - cargo binstall -y cargo-machete
       - cargo machete
 
+  ignored_files:
+    group: format
+    image: alpine:3
+    commands:
+      - apk add git
+      - IGNORED=$(git ls-files --cached -i --exclude-standard)
+      - if [[ "$IGNORED" ]]; then echo "Ignored files present:\n$IGNORED\n"; exit 1; fi
+
   restore-cache:
     image: meltwater/drone-cache:v1
     pull: true
diff --git a/api_tests/pict-rs b/api_tests/pict-rs
deleted file mode 100755
index 521d0fdc3..000000000
Binary files a/api_tests/pict-rs and /dev/null differ
diff --git a/api_tests/test.png b/api_tests/test.png
deleted file mode 100644
index b01d868e9..000000000
Binary files a/api_tests/test.png and /dev/null differ