diff --git a/config.js b/config.js
index cb38e43..c63fdd6 100644
--- a/config.js
+++ b/config.js
@@ -117,7 +117,7 @@ config.maxConcurrency = parseInt(argv.max_concurrency || fromConfigFile("maxConc
 config.maxRuntime = parseInt(argv.max_runtime || fromConfigFile("maxRuntime", -1));
 
 // Detect 7z availability
-const childProcess = spawnSync("7z", ['--help']);
-config.has7z = childProcess.status === 0;
+// const childProcess = spawnSync("7z", ['--help']);
+config.has7z = false; //childProcess.status === 0;
 
 module.exports = config;
diff --git a/index.js b/index.js
index 9808739..1ad191e 100644
--- a/index.js
+++ b/index.js
@@ -901,9 +901,9 @@ if (config.test) {
     if (config.testDropUploads) logger.info("Uploads will drop at random");
 }
 
-if (!config.has7z){
-    logger.warn("The 7z program is not installed, falling back to legacy (zipping will be slower)");
-}
+// if (!config.has7z){
+//     logger.warn("The 7z program is not installed, falling back to legacy (zipping will be slower)");
+// }
 
 let commands = [
     cb => odmInfo.initialize(cb),