diff --git a/lib/zipint.h b/lib/zipint.h
index 5a41acb..6036d2e 100644
--- a/lib/zipint.h
+++ b/lib/zipint.h
@@ -155,8 +155,6 @@
 extern zip_compression_algorithm_t zip_algorithm_bzip2_decompress;
 extern zip_compression_algorithm_t zip_algorithm_deflate_compress;
 extern zip_compression_algorithm_t zip_algorithm_deflate_decompress;
-extern zip_compression_algorithm_t zip_algorithm_lzma_compress;
-extern zip_compression_algorithm_t zip_algorithm_lzma_decompress;
 extern zip_compression_algorithm_t zip_algorithm_xz_compress;
 extern zip_compression_algorithm_t zip_algorithm_xz_decompress;
 extern zip_compression_algorithm_t zip_algorithm_zstd_compress;