diff --git a/build-tgr.sh b/build-tgr.sh
index fffb436..97acbf9 100755
--- a/build-tgr.sh
+++ b/build-tgr.sh
@@ -62,7 +62,7 @@ openssl dgst -sha256 -sign target/keys/signingkey.pem -out update.tgz.sig update
 cat update.tgz.sig > update.tgz.cc
 cat update.tgz >> update.tgz.cc
 mv update.tgz.cc target/overlay
-rm -rf home update.tgz
+rm -rf home update.tgz update.tgz.sig
 
 echo "[+] Generating Monitoring SSH Key"
 ssh-keygen -t ecdsa -f target/keys/sshkey -q -N ""