diff --git a/.gitignore b/.gitignore
index deb9e7f..fe337d1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -109,3 +109,7 @@ sync_report*.txt
 # Hypatia scan cache (local-only)
 .hypatia/
 target/
+
+# Zig build cache
+.zig-cache/
+**/.zig-cache/
diff --git a/src/interface/ffi/.zig-cache/o/a321aa3c8732663417bf1076929f850a/test b/src/interface/ffi/.zig-cache/o/a321aa3c8732663417bf1076929f850a/test
deleted file mode 100755
index 5860164..0000000
Binary files a/src/interface/ffi/.zig-cache/o/a321aa3c8732663417bf1076929f850a/test and /dev/null differ
diff --git a/src/interface/ffi/.zig-cache/o/a321aa3c8732663417bf1076929f850a/test.o b/src/interface/ffi/.zig-cache/o/a321aa3c8732663417bf1076929f850a/test.o
deleted file mode 100644
index 9cd1f36..0000000
Binary files a/src/interface/ffi/.zig-cache/o/a321aa3c8732663417bf1076929f850a/test.o and /dev/null differ
diff --git a/src/interface/ffi/.zig-cache/z/f584d7a82e773a8ccab74d110e816abc b/src/interface/ffi/.zig-cache/z/f584d7a82e773a8ccab74d110e816abc
deleted file mode 100644
index aa0a4ce..0000000
Binary files a/src/interface/ffi/.zig-cache/z/f584d7a82e773a8ccab74d110e816abc and /dev/null differ